[0] 0.7.221.111.in-addr.arpa.: domain name does not exist
[86400] 1.7.221.111.in-addr.arpa. domain name pointer server-1.optimaxbd.net
[86400] 2.7.221.111.in-addr.arpa. domain name pointer server-2.optimaxbd.net
[86400] 3.7.221.111.in-addr.arpa. domain name pointer server-3.optimaxbd.net
[86400] 4.7.221.111.in-addr.arpa. domain name pointer server-4.optimaxbd.net
[86400] 5.7.221.111.in-addr.arpa. domain name pointer server-5.optimaxbd.net
[86400] 6.7.221.111.in-addr.arpa. domain name pointer server-6.optimaxbd.net
[86400] 7.7.221.111.in-addr.arpa. domain name pointer server-7.optimaxbd.net
[86400] 8.7.221.111.in-addr.arpa. domain name pointer server-8.optimaxbd.net
[86400] 9.7.221.111.in-addr.arpa. domain name pointer server-9.optimaxbd.net
[86400] 10.7.221.111.in-addr.arpa. domain name pointer server-10.optimaxbd.net
[86400] 11.7.221.111.in-addr.arpa. domain name pointer server-11.optimaxbd.net
[86400] 12.7.221.111.in-addr.arpa. domain name pointer server-12.optimaxbd.net
[86400] 13.7.221.111.in-addr.arpa. domain name pointer server-13.optimaxbd.net
[86400] 14.7.221.111.in-addr.arpa. domain name pointer server-14.optimaxbd.net
[86400] 15.7.221.111.in-addr.arpa. domain name pointer server-15.optimaxbd.net
[86400] 16.7.221.111.in-addr.arpa. domain name pointer server-16.optimaxbd.net
[86400] 17.7.221.111.in-addr.arpa. domain name pointer server-17.optimaxbd.net
[86400] 18.7.221.111.in-addr.arpa. domain name pointer server-18.optimaxbd.net
[86400] 19.7.221.111.in-addr.arpa. domain name pointer server-19.optimaxbd.net
[86400] 20.7.221.111.in-addr.arpa. domain name pointer server-20.optimaxbd.net
[86400] 21.7.221.111.in-addr.arpa. domain name pointer server-21.optimaxbd.net
[86400] 22.7.221.111.in-addr.arpa. domain name pointer server-22.optimaxbd.net
[86400] 23.7.221.111.in-addr.arpa. domain name pointer server-23.optimaxbd.net
[86400] 24.7.221.111.in-addr.arpa. domain name pointer server-24.optimaxbd.net
[86400] 25.7.221.111.in-addr.arpa. domain name pointer server-25.optimaxbd.net
[86400] 26.7.221.111.in-addr.arpa. domain name pointer server-26.optimaxbd.net
[86400] 27.7.221.111.in-addr.arpa. domain name pointer server-27.optimaxbd.net
[86400] 28.7.221.111.in-addr.arpa. domain name pointer server-28.optimaxbd.net
[86400] 29.7.221.111.in-addr.arpa. domain name pointer server-29.optimaxbd.net
[86400] 30.7.221.111.in-addr.arpa. domain name pointer server-30.optimaxbd.net
[86400] 31.7.221.111.in-addr.arpa. domain name pointer server-31.optimaxbd.net
[86400] 32.7.221.111.in-addr.arpa. domain name pointer server-32.optimaxbd.net
[86400] 33.7.221.111.in-addr.arpa. domain name pointer server-33.optimaxbd.net
[86400] 34.7.221.111.in-addr.arpa. domain name pointer server-34.optimaxbd.net
[86400] 35.7.221.111.in-addr.arpa. domain name pointer server-35.optimaxbd.net
[86400] 36.7.221.111.in-addr.arpa. domain name pointer server-36.optimaxbd.net
[86400] 37.7.221.111.in-addr.arpa. domain name pointer server-37.optimaxbd.net
[86400] 38.7.221.111.in-addr.arpa. domain name pointer server-38.optimaxbd.net
[86400] 39.7.221.111.in-addr.arpa. domain name pointer server-39.optimaxbd.net
[86400] 40.7.221.111.in-addr.arpa. domain name pointer server-40.optimaxbd.net
[86400] 41.7.221.111.in-addr.arpa. domain name pointer server-41.optimaxbd.net
[86400] 42.7.221.111.in-addr.arpa. domain name pointer server-42.optimaxbd.net
[86400] 43.7.221.111.in-addr.arpa. domain name pointer server-43.optimaxbd.net
[86400] 44.7.221.111.in-addr.arpa. domain name pointer server-44.optimaxbd.net
[86400] 45.7.221.111.in-addr.arpa. domain name pointer server-45.optimaxbd.net
[86400] 46.7.221.111.in-addr.arpa. domain name pointer server-46.optimaxbd.net
[86400] 47.7.221.111.in-addr.arpa. domain name pointer server-47.optimaxbd.net
[86400] 48.7.221.111.in-addr.arpa. domain name pointer server-48.optimaxbd.net
[86400] 49.7.221.111.in-addr.arpa. domain name pointer server-49.optimaxbd.net
[86400] 50.7.221.111.in-addr.arpa. domain name pointer server-50.optimaxbd.net
[86400] 51.7.221.111.in-addr.arpa. domain name pointer server-51.optimaxbd.net
[86400] 52.7.221.111.in-addr.arpa. domain name pointer server-52.optimaxbd.net
[86400] 53.7.221.111.in-addr.arpa. domain name pointer server-53.optimaxbd.net
[86400] 54.7.221.111.in-addr.arpa. domain name pointer server-54.optimaxbd.net
[86400] 55.7.221.111.in-addr.arpa. domain name pointer server-55.optimaxbd.net
[86400] 56.7.221.111.in-addr.arpa. domain name pointer server-56.optimaxbd.net
[86400] 57.7.221.111.in-addr.arpa. domain name pointer server-57.optimaxbd.net
[86400] 58.7.221.111.in-addr.arpa. domain name pointer server-58.optimaxbd.net
[86400] 59.7.221.111.in-addr.arpa. domain name pointer server-59.optimaxbd.net
[86400] 60.7.221.111.in-addr.arpa. domain name pointer imap.groupdesignace.com
[86400] 61.7.221.111.in-addr.arpa. domain name pointer server-61.optimaxbd.net
[86400] 62.7.221.111.in-addr.arpa. domain name pointer server-62.optimaxbd.net
[86400] 63.7.221.111.in-addr.arpa. domain name pointer server-63.optimaxbd.net
[86400] 64.7.221.111.in-addr.arpa. domain name pointer server-64.optimaxbd.net
[86400] 65.7.221.111.in-addr.arpa. domain name pointer server-65.optimaxbd.net
[86400] 66.7.221.111.in-addr.arpa. domain name pointer server-66.optimaxbd.net
[86400] 67.7.221.111.in-addr.arpa. domain name pointer server-67.optimaxbd.net
[86400] 68.7.221.111.in-addr.arpa. domain name pointer server-68.optimaxbd.net
[86400] 69.7.221.111.in-addr.arpa. domain name pointer server-69.optimaxbd.net
[86400] 70.7.221.111.in-addr.arpa. domain name pointer server-70.optimaxbd.net
[86400] 71.7.221.111.in-addr.arpa. domain name pointer server-71.optimaxbd.net
[86400] 72.7.221.111.in-addr.arpa. domain name pointer server-72.optimaxbd.net
[86400] 73.7.221.111.in-addr.arpa. domain name pointer server-73.optimaxbd.net
[86400] 74.7.221.111.in-addr.arpa. domain name pointer mail.graceinternationalschool.org
[86400] 75.7.221.111.in-addr.arpa. domain name pointer www.graceinternationalschool.org
[86400] 76.7.221.111.in-addr.arpa. domain name pointer server-76.optimaxbd.net
[86400] 77.7.221.111.in-addr.arpa. domain name pointer gateway.graceinternationalschool.org
[86400] 78.7.221.111.in-addr.arpa. domain name pointer server-78.optimaxbd.net
[86400] 79.7.221.111.in-addr.arpa. domain name pointer server-79.optimaxbd.net
[86400] 80.7.221.111.in-addr.arpa. domain name pointer server-80.optimaxbd.net
[86400] 81.7.221.111.in-addr.arpa. domain name pointer server-81.optimaxbd.net
[86400] 82.7.221.111.in-addr.arpa. domain name pointer server-82.optimaxbd.net
[86400] 83.7.221.111.in-addr.arpa. domain name pointer server-83.optimaxbd.net
[86400] 84.7.221.111.in-addr.arpa. domain name pointer server-84.optimaxbd.net
[86400] 85.7.221.111.in-addr.arpa. domain name pointer server-85.optimaxbd.net
[86400] 86.7.221.111.in-addr.arpa. domain name pointer server-86.optimaxbd.net
[86400] 87.7.221.111.in-addr.arpa. domain name pointer server-87.optimaxbd.net
[86400] 88.7.221.111.in-addr.arpa. domain name pointer server-88.optimaxbd.net
[86400] 89.7.221.111.in-addr.arpa. domain name pointer server-89.optimaxbd.net
[86400] 90.7.221.111.in-addr.arpa. domain name pointer server-90.optimaxbd.net
[86400] 91.7.221.111.in-addr.arpa. domain name pointer server-91.optimaxbd.net
[86400] 92.7.221.111.in-addr.arpa. domain name pointer server-92.optimaxbd.net
[86400] 93.7.221.111.in-addr.arpa. domain name pointer server-93.optimaxbd.net
[86400] 94.7.221.111.in-addr.arpa. domain name pointer server-94.optimaxbd.net
[86400] 95.7.221.111.in-addr.arpa. domain name pointer server-95.optimaxbd.net
[86400] 96.7.221.111.in-addr.arpa. domain name pointer server-96.optimaxbd.net
[86400] 97.7.221.111.in-addr.arpa. domain name pointer server-97.optimaxbd.net
[86400] 98.7.221.111.in-addr.arpa. domain name pointer server-98.optimaxbd.net
[86400] 99.7.221.111.in-addr.arpa. domain name pointer server-99.optimaxbd.net
[86400] 100.7.221.111.in-addr.arpa. domain name pointer server-100.optimaxbd.net
[86400] 101.7.221.111.in-addr.arpa. domain name pointer server-101.optimaxbd.net
[86400] 102.7.221.111.in-addr.arpa. domain name pointer server-102.optimaxbd.net
[86400] 103.7.221.111.in-addr.arpa. domain name pointer server-103.optimaxbd.net
[86400] 104.7.221.111.in-addr.arpa. domain name pointer server-104.optimaxbd.net
[86400] 105.7.221.111.in-addr.arpa. domain name pointer server-105.optimaxbd.net
[86400] 106.7.221.111.in-addr.arpa. domain name pointer server-106.optimaxbd.net
[86400] 107.7.221.111.in-addr.arpa. domain name pointer server-107.optimaxbd.net
[86400] 108.7.221.111.in-addr.arpa. domain name pointer server-108.optimaxbd.net
[86400] 109.7.221.111.in-addr.arpa. domain name pointer server-109.optimaxbd.net
[86400] 110.7.221.111.in-addr.arpa. domain name pointer server-110.optimaxbd.net
[86400] 111.7.221.111.in-addr.arpa. domain name pointer server-111.optimaxbd.net
[86400] 112.7.221.111.in-addr.arpa. domain name pointer server-112.optimaxbd.net
[86400] 113.7.221.111.in-addr.arpa. domain name pointer server-113.optimaxbd.net
[86400] 114.7.221.111.in-addr.arpa. domain name pointer server-114.optimaxbd.net
[86400] 115.7.221.111.in-addr.arpa. domain name pointer server-115.optimaxbd.net
[86400] 116.7.221.111.in-addr.arpa. domain name pointer server-116.optimaxbd.net
[86400] 117.7.221.111.in-addr.arpa. domain name pointer server-117.optimaxbd.net
[86400] 118.7.221.111.in-addr.arpa. domain name pointer server-118.optimaxbd.net
[86400] 119.7.221.111.in-addr.arpa. domain name pointer server-119.optimaxbd.net
[86400] 120.7.221.111.in-addr.arpa. domain name pointer server-120.optimaxbd.net
[86400] 121.7.221.111.in-addr.arpa. domain name pointer server-121.optimaxbd.net
[86400] 122.7.221.111.in-addr.arpa. domain name pointer server-122.optimaxbd.net
[86400] 123.7.221.111.in-addr.arpa. domain name pointer server-123.optimaxbd.net
[86400] 124.7.221.111.in-addr.arpa. domain name pointer server-124.optimaxbd.net
[86400] 125.7.221.111.in-addr.arpa. domain name pointer server-125.optimaxbd.net
[86400] 126.7.221.111.in-addr.arpa. domain name pointer server-126.optimaxbd.net
[86400] 127.7.221.111.in-addr.arpa. domain name pointer server-127.optimaxbd.net
[86400] 128.7.221.111.in-addr.arpa. domain name pointer server-128.optimaxbd.net
[86400] 129.7.221.111.in-addr.arpa. domain name pointer server-129.optimaxbd.net
[86400] 130.7.221.111.in-addr.arpa. domain name pointer server-130.optimaxbd.net
[86400] 131.7.221.111.in-addr.arpa. domain name pointer server-131.optimaxbd.net
[86400] 132.7.221.111.in-addr.arpa. domain name pointer server-132.optimaxbd.net
[86400] 133.7.221.111.in-addr.arpa. domain name pointer server-133.optimaxbd.net
[86400] 134.7.221.111.in-addr.arpa. domain name pointer server-134.optimaxbd.net
[86400] 135.7.221.111.in-addr.arpa. domain name pointer server-135.optimaxbd.net
[86400] 136.7.221.111.in-addr.arpa. domain name pointer server-136.optimaxbd.net
[86400] 137.7.221.111.in-addr.arpa. domain name pointer server-137.optimaxbd.net
[86400] 138.7.221.111.in-addr.arpa. domain name pointer server-138.optimaxbd.net
[86400] 139.7.221.111.in-addr.arpa. domain name pointer server-139.optimaxbd.net
[86400] 140.7.221.111.in-addr.arpa. domain name pointer server-140.optimaxbd.net
[86400] 141.7.221.111.in-addr.arpa. domain name pointer mail.simple-approach.com.bd
[86400] 142.7.221.111.in-addr.arpa. domain name pointer webmail.simple-approach.com.bd
[86400] 143.7.221.111.in-addr.arpa. domain name pointer server-143.optimaxbd.net
[86400] 144.7.221.111.in-addr.arpa. domain name pointer server-144.optimaxbd.net
[86400] 145.7.221.111.in-addr.arpa. domain name pointer server-145.optimaxbd.net
[86400] 146.7.221.111.in-addr.arpa. domain name pointer server-146.optimaxbd.net
[86400] 147.7.221.111.in-addr.arpa. domain name pointer server-147.optimaxbd.net
[86400] 148.7.221.111.in-addr.arpa. domain name pointer server-148.optimaxbd.net
[86400] 149.7.221.111.in-addr.arpa. domain name pointer server-149.optimaxbd.net
[0] 150.7.221.111.in-addr.arpa.: temporary failure in name resolution
[86400] 151.7.221.111.in-addr.arpa. domain name pointer mail.norwest.com.bd
[86400] 152.7.221.111.in-addr.arpa. domain name pointer nwedge.norwest.com.bd
[86400] 153.7.221.111.in-addr.arpa. domain name pointer server-153.optimaxbd.net
[86400] 154.7.221.111.in-addr.arpa. domain name pointer server-154.optimaxbd.net
[86400] 155.7.221.111.in-addr.arpa. domain name pointer mx1.kleidersourcing.com
[86400] 156.7.221.111.in-addr.arpa. domain name pointer server-156.optimaxbd.net
[86400] 157.7.221.111.in-addr.arpa. domain name pointer server-157.optimaxbd.net
[86400] 158.7.221.111.in-addr.arpa. domain name pointer server-158.optimaxbd.net
[86400] 159.7.221.111.in-addr.arpa. domain name pointer server-159.optimaxbd.net
[86400] 160.7.221.111.in-addr.arpa. domain name pointer server-160.optimaxbd.net
[86400] 161.7.221.111.in-addr.arpa. domain name pointer server-161.optimaxbd.net
[86400] 162.7.221.111.in-addr.arpa. domain name pointer server-162.optimaxbd.net
[86400] 163.7.221.111.in-addr.arpa. domain name pointer server-163.optimaxbd.net
[86400] 164.7.221.111.in-addr.arpa. domain name pointer server-164.optimaxbd.net
[86400] 165.7.221.111.in-addr.arpa. domain name pointer server-165.optimaxbd.net
[86400] 166.7.221.111.in-addr.arpa. domain name pointer server-166.optimaxbd.net
[86400] 167.7.221.111.in-addr.arpa. domain name pointer server-167.optimaxbd.net
[86400] 168.7.221.111.in-addr.arpa. domain name pointer server-168.optimaxbd.net
[86400] 169.7.221.111.in-addr.arpa. domain name pointer server-169.optimaxbd.net
[86400] 170.7.221.111.in-addr.arpa. domain name pointer server-170.optimaxbd.net
[86400] 171.7.221.111.in-addr.arpa. domain name pointer server-171.optimaxbd.net
[86400] 172.7.221.111.in-addr.arpa. domain name pointer server-172.optimaxbd.net
[86400] 173.7.221.111.in-addr.arpa. domain name pointer server-173.optimaxbd.net
[86400] 174.7.221.111.in-addr.arpa. domain name pointer server-174.optimaxbd.net
[86400] 175.7.221.111.in-addr.arpa. domain name pointer server-175.optimaxbd.net
[86400] 176.7.221.111.in-addr.arpa. domain name pointer server-176.optimaxbd.net
[86400] 177.7.221.111.in-addr.arpa. domain name pointer server-177.optimaxbd.net
[86400] 178.7.221.111.in-addr.arpa. domain name pointer server-178.optimaxbd.net
[86400] 179.7.221.111.in-addr.arpa. domain name pointer server-179.optimaxbd.net
[86400] 180.7.221.111.in-addr.arpa. domain name pointer server-180.optimaxbd.net
[86400] 181.7.221.111.in-addr.arpa. domain name pointer server-181.optimaxbd.net
[86400] 182.7.221.111.in-addr.arpa. domain name pointer server-182.optimaxbd.net
[86400] 183.7.221.111.in-addr.arpa. domain name pointer server-183.optimaxbd.net
[86400] 184.7.221.111.in-addr.arpa. domain name pointer server-184.optimaxbd.net
[86400] 185.7.221.111.in-addr.arpa. domain name pointer server-185.optimaxbd.net
[86400] 186.7.221.111.in-addr.arpa. domain name pointer server-186.optimaxbd.net
[86400] 187.7.221.111.in-addr.arpa. domain name pointer server-187.optimaxbd.net
[86400] 188.7.221.111.in-addr.arpa. domain name pointer server-188.optimaxbd.net
[86400] 189.7.221.111.in-addr.arpa. domain name pointer server-189.optimaxbd.net
[86400] 190.7.221.111.in-addr.arpa. domain name pointer server-190.optimaxbd.net
[86400] 191.7.221.111.in-addr.arpa. domain name pointer server-191.optimaxbd.net
[86400] 192.7.221.111.in-addr.arpa. domain name pointer server-192.optimaxbd.net
[86400] 193.7.221.111.in-addr.arpa. domain name pointer server-193.optimaxbd.net
[86400] 194.7.221.111.in-addr.arpa. domain name pointer server-194.optimaxbd.net
[86400] 195.7.221.111.in-addr.arpa. domain name pointer server-195.optimaxbd.net
[86400] 196.7.221.111.in-addr.arpa. domain name pointer server-196.optimaxbd.net
[86400] 197.7.221.111.in-addr.arpa. domain name pointer server-197.optimaxbd.net
[86400] 198.7.221.111.in-addr.arpa. domain name pointer server-198.optimaxbd.net
[86400] 199.7.221.111.in-addr.arpa. domain name pointer server-199.optimaxbd.net
[86400] 200.7.221.111.in-addr.arpa. domain name pointer server-200.optimaxbd.net
[86400] 201.7.221.111.in-addr.arpa. domain name pointer server-201.optimaxbd.net
[86400] 202.7.221.111.in-addr.arpa. domain name pointer server-202.optimaxbd.net
[86400] 203.7.221.111.in-addr.arpa. domain name pointer server-203.optimaxbd.net
[86400] 204.7.221.111.in-addr.arpa. domain name pointer server-204.optimaxbd.net
[86400] 205.7.221.111.in-addr.arpa. domain name pointer server-205.optimaxbd.net
[86400] 206.7.221.111.in-addr.arpa. domain name pointer server-206.optimaxbd.net
[86400] 207.7.221.111.in-addr.arpa. domain name pointer server-207.optimaxbd.net
[86400] 208.7.221.111.in-addr.arpa. domain name pointer server-208.optimaxbd.net
[86400] 209.7.221.111.in-addr.arpa. domain name pointer server-209.optimaxbd.net
[86400] 210.7.221.111.in-addr.arpa. domain name pointer server-210.optimaxbd.net
[86400] 211.7.221.111.in-addr.arpa. domain name pointer server-211.optimaxbd.net
[86400] 212.7.221.111.in-addr.arpa. domain name pointer server-212.optimaxbd.net
[86400] 213.7.221.111.in-addr.arpa. domain name pointer server-213.optimaxbd.net
[86400] 214.7.221.111.in-addr.arpa. domain name pointer server-214.optimaxbd.net
[86400] 215.7.221.111.in-addr.arpa. domain name pointer server-215.optimaxbd.net
[86400] 216.7.221.111.in-addr.arpa. domain name pointer server-216.optimaxbd.net
[86400] 217.7.221.111.in-addr.arpa. domain name pointer server-217.optimaxbd.net
[86400] 218.7.221.111.in-addr.arpa. domain name pointer server-218.optimaxbd.net
[86400] 219.7.221.111.in-addr.arpa. domain name pointer server-219.optimaxbd.net
[86400] 220.7.221.111.in-addr.arpa. domain name pointer server-220.optimaxbd.net
[86400] 221.7.221.111.in-addr.arpa. domain name pointer server-221.optimaxbd.net
[86400] 222.7.221.111.in-addr.arpa. domain name pointer server-222.optimaxbd.net
[86400] 223.7.221.111.in-addr.arpa. domain name pointer server-223.optimaxbd.net
[86400] 224.7.221.111.in-addr.arpa. domain name pointer server-224.optimaxbd.net
[86400] 225.7.221.111.in-addr.arpa. domain name pointer server-225.optimaxbd.net
[86400] 226.7.221.111.in-addr.arpa. domain name pointer server-226.optimaxbd.net
[86400] 227.7.221.111.in-addr.arpa. domain name pointer server-227.optimaxbd.net
[86400] 228.7.221.111.in-addr.arpa. domain name pointer server-228.optimaxbd.net
[86400] 229.7.221.111.in-addr.arpa. domain name pointer server-229.optimaxbd.net
[86400] 230.7.221.111.in-addr.arpa. domain name pointer server-230.optimaxbd.net
[86400] 231.7.221.111.in-addr.arpa. domain name pointer server-231.optimaxbd.net
[86400] 232.7.221.111.in-addr.arpa. domain name pointer server-232.optimaxbd.net
[86400] 233.7.221.111.in-addr.arpa. domain name pointer server-233.optimaxbd.net
[86400] 234.7.221.111.in-addr.arpa. domain name pointer server-234.optimaxbd.net
[86400] 235.7.221.111.in-addr.arpa. domain name pointer server-235.optimaxbd.net
[86400] 236.7.221.111.in-addr.arpa. domain name pointer server-236.optimaxbd.net
[86400] 237.7.221.111.in-addr.arpa. domain name pointer server-237.optimaxbd.net
[86400] 238.7.221.111.in-addr.arpa. domain name pointer server-238.optimaxbd.net
[86400] 239.7.221.111.in-addr.arpa. domain name pointer server-239.optimaxbd.net
[86400] 240.7.221.111.in-addr.arpa. domain name pointer server-240.optimaxbd.net
[86400] 241.7.221.111.in-addr.arpa. domain name pointer server-241.optimaxbd.net
[86400] 242.7.221.111.in-addr.arpa. domain name pointer server-242.optimaxbd.net
[86400] 243.7.221.111.in-addr.arpa. domain name pointer server-243.optimaxbd.net
[86400] 244.7.221.111.in-addr.arpa. domain name pointer server-244.optimaxbd.net
[86400] 245.7.221.111.in-addr.arpa. domain name pointer server-245.optimaxbd.net
[86400] 246.7.221.111.in-addr.arpa. domain name pointer server-246.optimaxbd.net
[86400] 247.7.221.111.in-addr.arpa. domain name pointer server-247.optimaxbd.net
[86400] 248.7.221.111.in-addr.arpa. domain name pointer server-248.optimaxbd.net
[86400] 249.7.221.111.in-addr.arpa. domain name pointer server-249.optimaxbd.net
[86400] 250.7.221.111.in-addr.arpa. domain name pointer server-250.otimaxbd.net
[86400] 251.7.221.111.in-addr.arpa. domain name pointer server-251.optimaxbd.net
[86400] 252.7.221.111.in-addr.arpa. domain name pointer server-252.optimaxbd.net
[86400] 253.7.221.111.in-addr.arpa. domain name pointer server-253.optimaxbd.net
[86400] 254.7.221.111.in-addr.arpa. domain name pointer server-254.optimaxbd.net
[0] 255.7.221.111.in-addr.arpa.: domain name does not exist