[0] 0.21.192.213.in-addr.arpa.: domain name does not exist
[38400] 1.21.192.213.in-addr.arpa. domain name pointer 1-21.net.optinet.cz
[38400] 2.21.192.213.in-addr.arpa. domain name pointer 2-21.net.optinet.cz
[38400] 3.21.192.213.in-addr.arpa. domain name pointer 3-21.net.optinet.cz
[38400] 4.21.192.213.in-addr.arpa. domain name pointer 4-21.net.optinet.cz
[38400] 5.21.192.213.in-addr.arpa. domain name pointer 5-21.net.optinet.cz
[38400] 6.21.192.213.in-addr.arpa. domain name pointer 6-21.net.optinet.cz
[38400] 7.21.192.213.in-addr.arpa. domain name pointer 7-21.net.optinet.cz
[38400] 8.21.192.213.in-addr.arpa. domain name pointer 8-21.net.optinet.cz
[38400] 9.21.192.213.in-addr.arpa. domain name pointer 9-21.net.optinet.cz
[38400] 10.21.192.213.in-addr.arpa. domain name pointer 10-21.net.optinet.cz
[38400] 11.21.192.213.in-addr.arpa. domain name pointer 11-21.net.optinet.cz
[38400] 12.21.192.213.in-addr.arpa. domain name pointer 12-21.net.optinet.cz
[38400] 13.21.192.213.in-addr.arpa. domain name pointer 13-21.net.optinet.cz
[38400] 14.21.192.213.in-addr.arpa. domain name pointer 14-21.net.optinet.cz
[38400] 15.21.192.213.in-addr.arpa. domain name pointer 15-21.net.optinet.cz
[38400] 16.21.192.213.in-addr.arpa. domain name pointer 16-21.net.optinet.cz
[38400] 17.21.192.213.in-addr.arpa. domain name pointer 17-21.net.optinet.cz
[38400] 18.21.192.213.in-addr.arpa. domain name pointer 18-21.net.optinet.cz
[38400] 19.21.192.213.in-addr.arpa. domain name pointer 19-21.net.optinet.cz
[38400] 20.21.192.213.in-addr.arpa. domain name pointer 20-21.net.optinet.cz
[38400] 21.21.192.213.in-addr.arpa. domain name pointer 21-21.net.optinet.cz
[38400] 22.21.192.213.in-addr.arpa. domain name pointer 22-21.net.optinet.cz
[38400] 23.21.192.213.in-addr.arpa. domain name pointer 23-21.net.optinet.cz
[38400] 24.21.192.213.in-addr.arpa. domain name pointer 24-21.net.optinet.cz
[38400] 25.21.192.213.in-addr.arpa. domain name pointer 25-21.net.optinet.cz
[38400] 26.21.192.213.in-addr.arpa. domain name pointer 26-21.net.optinet.cz
[38400] 27.21.192.213.in-addr.arpa. domain name pointer 27-21.net.optinet.cz
[38400] 28.21.192.213.in-addr.arpa. domain name pointer 28-21.net.optinet.cz
[38400] 29.21.192.213.in-addr.arpa. domain name pointer 29-21.net.optinet.cz
[38400] 30.21.192.213.in-addr.arpa. domain name pointer 30-21.net.optinet.cz
[38400] 31.21.192.213.in-addr.arpa. domain name pointer 31-21.net.optinet.cz
[38400] 32.21.192.213.in-addr.arpa. domain name pointer 32-21.net.optinet.cz
[38400] 33.21.192.213.in-addr.arpa. domain name pointer 33-21.net.optinet.cz
[38400] 34.21.192.213.in-addr.arpa. domain name pointer 34-21.net.optinet.cz
[38400] 35.21.192.213.in-addr.arpa. domain name pointer 35-21.net.optinet.cz
[38400] 36.21.192.213.in-addr.arpa. domain name pointer 36-21.net.optinet.cz
[38400] 37.21.192.213.in-addr.arpa. domain name pointer 37-21.net.optinet.cz
[38400] 38.21.192.213.in-addr.arpa. domain name pointer 38-21.net.optinet.cz
[38400] 39.21.192.213.in-addr.arpa. domain name pointer 39-21.net.optinet.cz
[38400] 40.21.192.213.in-addr.arpa. domain name pointer 40-21.net.optinet.cz
[38400] 41.21.192.213.in-addr.arpa. domain name pointer 41-21.net.optinet.cz
[38400] 42.21.192.213.in-addr.arpa. domain name pointer 42-21.net.optinet.cz
[38400] 43.21.192.213.in-addr.arpa. domain name pointer 43-21.net.optinet.cz
[38400] 44.21.192.213.in-addr.arpa. domain name pointer 44-21.net.optinet.cz
[38400] 45.21.192.213.in-addr.arpa. domain name pointer 45-21.net.optinet.cz
[38400] 46.21.192.213.in-addr.arpa. domain name pointer 46-21.net.optinet.cz
[38400] 47.21.192.213.in-addr.arpa. domain name pointer 47-21.net.optinet.cz
[38400] 48.21.192.213.in-addr.arpa. domain name pointer 48-21.net.optinet.cz
[38400] 49.21.192.213.in-addr.arpa. domain name pointer 49-21.net.optinet.cz
[38400] 50.21.192.213.in-addr.arpa. domain name pointer 50-21.net.optinet.cz
[38400] 51.21.192.213.in-addr.arpa. domain name pointer 51-21.net.optinet.cz
[38400] 52.21.192.213.in-addr.arpa. domain name pointer 52-21.net.optinet.cz
[38400] 53.21.192.213.in-addr.arpa. domain name pointer 53-21.net.optinet.cz
[38400] 54.21.192.213.in-addr.arpa. domain name pointer 54-21.net.optinet.cz
[38400] 55.21.192.213.in-addr.arpa. domain name pointer 55-21.net.optinet.cz
[38400] 56.21.192.213.in-addr.arpa. domain name pointer 56-21.net.optinet.cz
[38400] 57.21.192.213.in-addr.arpa. domain name pointer 57-21.net.optinet.cz
[38400] 58.21.192.213.in-addr.arpa. domain name pointer 58-21.net.optinet.cz
[38400] 59.21.192.213.in-addr.arpa. domain name pointer 59-21.net.optinet.cz
[38400] 60.21.192.213.in-addr.arpa. domain name pointer 60-21.net.optinet.cz
[38400] 61.21.192.213.in-addr.arpa. domain name pointer 61-21.net.optinet.cz
[38400] 62.21.192.213.in-addr.arpa. domain name pointer 62-21.net.optinet.cz
[38400] 63.21.192.213.in-addr.arpa. domain name pointer 63-21.net.optinet.cz
[38400] 64.21.192.213.in-addr.arpa. domain name pointer 64-21.net.optinet.cz
[38400] 65.21.192.213.in-addr.arpa. domain name pointer 65-21.net.optinet.cz
[38400] 66.21.192.213.in-addr.arpa. domain name pointer 66-21.net.optinet.cz
[38400] 67.21.192.213.in-addr.arpa. domain name pointer 67-21.net.optinet.cz
[38400] 68.21.192.213.in-addr.arpa. domain name pointer 68-21.net.optinet.cz
[38400] 69.21.192.213.in-addr.arpa. domain name pointer 69-21.net.optinet.cz
[38400] 70.21.192.213.in-addr.arpa. domain name pointer 70-21.net.optinet.cz
[38400] 71.21.192.213.in-addr.arpa. domain name pointer 71-21.net.optinet.cz
[38400] 72.21.192.213.in-addr.arpa. domain name pointer 72-21.net.optinet.cz
[38400] 73.21.192.213.in-addr.arpa. domain name pointer 73-21.net.optinet.cz
[38400] 74.21.192.213.in-addr.arpa. domain name pointer 74-21.net.optinet.cz
[38400] 75.21.192.213.in-addr.arpa. domain name pointer 75-21.net.optinet.cz
[38400] 76.21.192.213.in-addr.arpa. domain name pointer 76-21.net.optinet.cz
[38400] 77.21.192.213.in-addr.arpa. domain name pointer 77-21.net.optinet.cz
[38400] 78.21.192.213.in-addr.arpa. domain name pointer 78-21.net.optinet.cz
[38400] 79.21.192.213.in-addr.arpa. domain name pointer 79-21.net.optinet.cz
[38400] 80.21.192.213.in-addr.arpa. domain name pointer 80-21.net.optinet.cz
[38400] 81.21.192.213.in-addr.arpa. domain name pointer 81-21.net.optinet.cz
[38400] 82.21.192.213.in-addr.arpa. domain name pointer 82-21.net.optinet.cz
[38400] 83.21.192.213.in-addr.arpa. domain name pointer 83-21.net.optinet.cz
[38400] 84.21.192.213.in-addr.arpa. domain name pointer 84-21.net.optinet.cz
[38400] 85.21.192.213.in-addr.arpa. domain name pointer 85-21.net.optinet.cz
[38400] 86.21.192.213.in-addr.arpa. domain name pointer 86-21.net.optinet.cz
[38400] 87.21.192.213.in-addr.arpa. domain name pointer 87-21.net.optinet.cz
[38400] 88.21.192.213.in-addr.arpa. domain name pointer 88-21.net.optinet.cz
[38400] 89.21.192.213.in-addr.arpa. domain name pointer 89-21.net.optinet.cz
[38400] 90.21.192.213.in-addr.arpa. domain name pointer 90-21.net.optinet.cz
[38400] 91.21.192.213.in-addr.arpa. domain name pointer 91-21.net.optinet.cz
[38400] 92.21.192.213.in-addr.arpa. domain name pointer 92-21.net.optinet.cz
[38400] 93.21.192.213.in-addr.arpa. domain name pointer 93-21.net.optinet.cz
[38400] 94.21.192.213.in-addr.arpa. domain name pointer 94-21.net.optinet.cz
[38400] 95.21.192.213.in-addr.arpa. domain name pointer 95-21.net.optinet.cz
[38400] 96.21.192.213.in-addr.arpa. domain name pointer 96-21.net.optinet.cz
[38400] 97.21.192.213.in-addr.arpa. domain name pointer 97-21.net.optinet.cz
[38400] 98.21.192.213.in-addr.arpa. domain name pointer 98-21.net.optinet.cz
[38400] 99.21.192.213.in-addr.arpa. domain name pointer 99-21.net.optinet.cz
[38400] 100.21.192.213.in-addr.arpa. domain name pointer 100-21.net.optinet.cz
[38400] 101.21.192.213.in-addr.arpa. domain name pointer 101-21.net.optinet.cz
[38400] 102.21.192.213.in-addr.arpa. domain name pointer 102-21.net.optinet.cz
[38400] 103.21.192.213.in-addr.arpa. domain name pointer 103-21.net.optinet.cz
[38400] 104.21.192.213.in-addr.arpa. domain name pointer 104-21.net.optinet.cz
[38400] 105.21.192.213.in-addr.arpa. domain name pointer 105-21.net.optinet.cz
[38400] 106.21.192.213.in-addr.arpa. domain name pointer 106-21.net.optinet.cz
[38400] 107.21.192.213.in-addr.arpa. domain name pointer 107-21.net.optinet.cz
[38400] 108.21.192.213.in-addr.arpa. domain name pointer 108-21.net.optinet.cz
[38400] 109.21.192.213.in-addr.arpa. domain name pointer 109-21.net.optinet.cz
[38400] 110.21.192.213.in-addr.arpa. domain name pointer 110-21.net.optinet.cz
[38400] 111.21.192.213.in-addr.arpa. domain name pointer 111-21.net.optinet.cz
[38400] 112.21.192.213.in-addr.arpa. domain name pointer 112-21.net.optinet.cz
[38400] 113.21.192.213.in-addr.arpa. domain name pointer 113-21.net.optinet.cz
[38400] 114.21.192.213.in-addr.arpa. domain name pointer 114-21.net.optinet.cz
[38400] 115.21.192.213.in-addr.arpa. domain name pointer 115-21.net.optinet.cz
[38400] 116.21.192.213.in-addr.arpa. domain name pointer 116-21.net.optinet.cz
[38400] 117.21.192.213.in-addr.arpa. domain name pointer 117-21.net.optinet.cz
[38400] 118.21.192.213.in-addr.arpa. domain name pointer 118-21.net.optinet.cz
[38400] 119.21.192.213.in-addr.arpa. domain name pointer 119-21.net.optinet.cz
[38400] 120.21.192.213.in-addr.arpa. domain name pointer 120-21.net.optinet.cz
[38400] 121.21.192.213.in-addr.arpa. domain name pointer 121-21.net.optinet.cz
[38400] 122.21.192.213.in-addr.arpa. domain name pointer 122-21.net.optinet.cz
[38400] 123.21.192.213.in-addr.arpa. domain name pointer 123-21.net.optinet.cz
[38400] 124.21.192.213.in-addr.arpa. domain name pointer 124-21.net.optinet.cz
[38400] 125.21.192.213.in-addr.arpa. domain name pointer 125-21.net.optinet.cz
[38400] 126.21.192.213.in-addr.arpa. domain name pointer 126-21.net.optinet.cz
[38400] 127.21.192.213.in-addr.arpa. domain name pointer 127-21.net.optinet.cz
[38400] 128.21.192.213.in-addr.arpa. domain name pointer 128-21.net.optinet.cz
[38400] 129.21.192.213.in-addr.arpa. domain name pointer 129-21.net.optinet.cz
[38400] 130.21.192.213.in-addr.arpa. domain name pointer 130-21.net.optinet.cz
[38400] 131.21.192.213.in-addr.arpa. domain name pointer 131-21.net.optinet.cz
[38400] 132.21.192.213.in-addr.arpa. domain name pointer 132-21.net.optinet.cz
[38400] 133.21.192.213.in-addr.arpa. domain name pointer 133-21.net.optinet.cz
[38400] 134.21.192.213.in-addr.arpa. domain name pointer 134-21.net.optinet.cz
[38400] 135.21.192.213.in-addr.arpa. domain name pointer 135-21.net.optinet.cz
[38400] 136.21.192.213.in-addr.arpa. domain name pointer 136-21.net.optinet.cz
[38400] 137.21.192.213.in-addr.arpa. domain name pointer 137-21.net.optinet.cz
[38400] 138.21.192.213.in-addr.arpa. domain name pointer 138-21.net.optinet.cz
[38400] 139.21.192.213.in-addr.arpa. domain name pointer 139-21.net.optinet.cz
[38400] 140.21.192.213.in-addr.arpa. domain name pointer 140-21.net.optinet.cz
[38400] 141.21.192.213.in-addr.arpa. domain name pointer 141-21.net.optinet.cz
[38400] 142.21.192.213.in-addr.arpa. domain name pointer 142-21.net.optinet.cz
[38400] 143.21.192.213.in-addr.arpa. domain name pointer 143-21.net.optinet.cz
[38400] 144.21.192.213.in-addr.arpa. domain name pointer 144-21.net.optinet.cz
[38400] 145.21.192.213.in-addr.arpa. domain name pointer 145-21.net.optinet.cz
[38400] 146.21.192.213.in-addr.arpa. domain name pointer 146-21.net.optinet.cz
[38400] 147.21.192.213.in-addr.arpa. domain name pointer 147-21.net.optinet.cz
[38400] 148.21.192.213.in-addr.arpa. domain name pointer 148-21.net.optinet.cz
[38400] 149.21.192.213.in-addr.arpa. domain name pointer 149-21.net.optinet.cz
[38400] 150.21.192.213.in-addr.arpa. domain name pointer 150-21.net.optinet.cz
[38400] 151.21.192.213.in-addr.arpa. domain name pointer 151-21.net.optinet.cz
[38400] 152.21.192.213.in-addr.arpa. domain name pointer 152-21.net.optinet.cz
[38400] 153.21.192.213.in-addr.arpa. domain name pointer 153-21.net.optinet.cz
[38400] 154.21.192.213.in-addr.arpa. domain name pointer 154-21.net.optinet.cz
[38400] 155.21.192.213.in-addr.arpa. domain name pointer 155-21.net.optinet.cz
[38400] 156.21.192.213.in-addr.arpa. domain name pointer 156-21.net.optinet.cz
[38400] 157.21.192.213.in-addr.arpa. domain name pointer 157-21.net.optinet.cz
[38400] 158.21.192.213.in-addr.arpa. domain name pointer 158-21.net.optinet.cz
[38400] 159.21.192.213.in-addr.arpa. domain name pointer 159-21.net.optinet.cz
[38400] 160.21.192.213.in-addr.arpa. domain name pointer 160-21.net.optinet.cz
[38400] 161.21.192.213.in-addr.arpa. domain name pointer 161-21.net.optinet.cz
[38400] 162.21.192.213.in-addr.arpa. domain name pointer 162-21.net.optinet.cz
[38400] 163.21.192.213.in-addr.arpa. domain name pointer 163-21.net.optinet.cz
[38400] 164.21.192.213.in-addr.arpa. domain name pointer 164-21.net.optinet.cz
[38400] 165.21.192.213.in-addr.arpa. domain name pointer 165-21.net.optinet.cz
[38400] 166.21.192.213.in-addr.arpa. domain name pointer 166-21.net.optinet.cz
[38400] 167.21.192.213.in-addr.arpa. domain name pointer 167-21.net.optinet.cz
[38400] 168.21.192.213.in-addr.arpa. domain name pointer 168-21.net.optinet.cz
[38400] 169.21.192.213.in-addr.arpa. domain name pointer 169-21.net.optinet.cz
[38400] 170.21.192.213.in-addr.arpa. domain name pointer 170-21.net.optinet.cz
[38400] 171.21.192.213.in-addr.arpa. domain name pointer 171-21.net.optinet.cz
[38400] 172.21.192.213.in-addr.arpa. domain name pointer 172-21.net.optinet.cz
[38400] 173.21.192.213.in-addr.arpa. domain name pointer 173-21.net.optinet.cz
[38400] 174.21.192.213.in-addr.arpa. domain name pointer 174-21.net.optinet.cz
[38400] 175.21.192.213.in-addr.arpa. domain name pointer 175-21.net.optinet.cz
[38400] 176.21.192.213.in-addr.arpa. domain name pointer 176-21.net.optinet.cz
[38400] 177.21.192.213.in-addr.arpa. domain name pointer 177-21.net.optinet.cz
[38400] 178.21.192.213.in-addr.arpa. domain name pointer 178-21.net.optinet.cz
[38400] 179.21.192.213.in-addr.arpa. domain name pointer 179-21.net.optinet.cz
[38400] 180.21.192.213.in-addr.arpa. domain name pointer 180-21.net.optinet.cz
[38400] 181.21.192.213.in-addr.arpa. domain name pointer 181-21.net.optinet.cz
[38400] 182.21.192.213.in-addr.arpa. domain name pointer 182-21.net.optinet.cz
[38400] 183.21.192.213.in-addr.arpa. domain name pointer 183-21.net.optinet.cz
[38400] 184.21.192.213.in-addr.arpa. domain name pointer 184-21.net.optinet.cz
[38400] 185.21.192.213.in-addr.arpa. domain name pointer 185-21.net.optinet.cz
[38400] 186.21.192.213.in-addr.arpa. domain name pointer 186-21.net.optinet.cz
[38400] 187.21.192.213.in-addr.arpa. domain name pointer 187-21.net.optinet.cz
[38400] 188.21.192.213.in-addr.arpa. domain name pointer 188-21.net.optinet.cz
[38400] 189.21.192.213.in-addr.arpa. domain name pointer 189-21.net.optinet.cz
[38400] 190.21.192.213.in-addr.arpa. domain name pointer 190-21.net.optinet.cz
[38400] 191.21.192.213.in-addr.arpa. domain name pointer 191-21.net.optinet.cz
[38400] 192.21.192.213.in-addr.arpa. domain name pointer 192-21.net.optinet.cz
[38400] 193.21.192.213.in-addr.arpa. domain name pointer 193-21.net.optinet.cz
[38400] 194.21.192.213.in-addr.arpa. domain name pointer 194-21.net.optinet.cz
[38400] 195.21.192.213.in-addr.arpa. domain name pointer 195-21.net.optinet.cz
[38400] 196.21.192.213.in-addr.arpa. domain name pointer 196-21.net.optinet.cz
[38400] 197.21.192.213.in-addr.arpa. domain name pointer 197-21.net.optinet.cz
[38400] 198.21.192.213.in-addr.arpa. domain name pointer 198-21.net.optinet.cz
[38400] 199.21.192.213.in-addr.arpa. domain name pointer 199-21.net.optinet.cz
[38400] 200.21.192.213.in-addr.arpa. domain name pointer 200-21.net.optinet.cz
[38400] 201.21.192.213.in-addr.arpa. domain name pointer 201-21.net.optinet.cz
[38400] 202.21.192.213.in-addr.arpa. domain name pointer 202-21.net.optinet.cz
[38400] 203.21.192.213.in-addr.arpa. domain name pointer 203-21.net.optinet.cz
[38400] 204.21.192.213.in-addr.arpa. domain name pointer 204-21.net.optinet.cz
[38400] 205.21.192.213.in-addr.arpa. domain name pointer 205-21.net.optinet.cz
[38400] 206.21.192.213.in-addr.arpa. domain name pointer 206-21.net.optinet.cz
[38400] 207.21.192.213.in-addr.arpa. domain name pointer 207-21.net.optinet.cz
[38400] 208.21.192.213.in-addr.arpa. domain name pointer 208-21.net.optinet.cz
[38400] 209.21.192.213.in-addr.arpa. domain name pointer 209-21.net.optinet.cz
[38400] 210.21.192.213.in-addr.arpa. domain name pointer 210-21.net.optinet.cz
[38400] 211.21.192.213.in-addr.arpa. domain name pointer 211-21.net.optinet.cz
[38400] 212.21.192.213.in-addr.arpa. domain name pointer 212-21.net.optinet.cz
[38400] 213.21.192.213.in-addr.arpa. domain name pointer 213-21.net.optinet.cz
[38400] 214.21.192.213.in-addr.arpa. domain name pointer 214-21.net.optinet.cz
[38400] 215.21.192.213.in-addr.arpa. domain name pointer 215-21.net.optinet.cz
[38400] 216.21.192.213.in-addr.arpa. domain name pointer 216-21.net.optinet.cz
[38400] 217.21.192.213.in-addr.arpa. domain name pointer 217-21.net.optinet.cz
[38400] 218.21.192.213.in-addr.arpa. domain name pointer 218-21.net.optinet.cz
[38400] 219.21.192.213.in-addr.arpa. domain name pointer 219-21.net.optinet.cz
[38400] 220.21.192.213.in-addr.arpa. domain name pointer 220-21.net.optinet.cz
[38400] 221.21.192.213.in-addr.arpa. domain name pointer 221-21.net.optinet.cz
[38400] 222.21.192.213.in-addr.arpa. domain name pointer 222-21.net.optinet.cz
[38400] 223.21.192.213.in-addr.arpa. domain name pointer 223-21.net.optinet.cz
[38400] 224.21.192.213.in-addr.arpa. domain name pointer 224-21.net.optinet.cz
[38400] 225.21.192.213.in-addr.arpa. domain name pointer 225-21.net.optinet.cz
[38400] 226.21.192.213.in-addr.arpa. domain name pointer 226-21.net.optinet.cz
[38400] 227.21.192.213.in-addr.arpa. domain name pointer 227-21.net.optinet.cz
[38400] 228.21.192.213.in-addr.arpa. domain name pointer 228-21.net.optinet.cz
[38400] 229.21.192.213.in-addr.arpa. domain name pointer 229-21.net.optinet.cz
[38400] 230.21.192.213.in-addr.arpa. domain name pointer 230-21.net.optinet.cz
[38400] 231.21.192.213.in-addr.arpa. domain name pointer 231-21.net.optinet.cz
[38400] 232.21.192.213.in-addr.arpa. domain name pointer 232-21.net.optinet.cz
[38400] 233.21.192.213.in-addr.arpa. domain name pointer 233-21.net.optinet.cz
[38400] 234.21.192.213.in-addr.arpa. domain name pointer 234-21.net.optinet.cz
[38400] 235.21.192.213.in-addr.arpa. domain name pointer 235-21.net.optinet.cz
[38400] 236.21.192.213.in-addr.arpa. domain name pointer 236-21.net.optinet.cz
[38400] 237.21.192.213.in-addr.arpa. domain name pointer 237-21.net.optinet.cz
[38400] 238.21.192.213.in-addr.arpa. domain name pointer 238-21.net.optinet.cz
[38400] 239.21.192.213.in-addr.arpa. domain name pointer 239-21.net.optinet.cz
[38400] 240.21.192.213.in-addr.arpa. domain name pointer 240-21.net.optinet.cz
[38400] 241.21.192.213.in-addr.arpa. domain name pointer 241-21.net.optinet.cz
[38400] 242.21.192.213.in-addr.arpa. domain name pointer 242-21.net.optinet.cz
[38400] 243.21.192.213.in-addr.arpa. domain name pointer 243-21.net.optinet.cz
[38400] 244.21.192.213.in-addr.arpa. domain name pointer 244-21.net.optinet.cz
[38400] 245.21.192.213.in-addr.arpa. domain name pointer 245-21.net.optinet.cz
[38400] 246.21.192.213.in-addr.arpa. domain name pointer 246-21.net.optinet.cz
[38400] 247.21.192.213.in-addr.arpa. domain name pointer 247-21.net.optinet.cz
[38400] 248.21.192.213.in-addr.arpa. domain name pointer 248-21.net.optinet.cz
[38400] 249.21.192.213.in-addr.arpa. domain name pointer 249-21.net.optinet.cz
[38400] 250.21.192.213.in-addr.arpa. domain name pointer 250-21.net.optinet.cz
[38400] 251.21.192.213.in-addr.arpa. domain name pointer 251-21.net.optinet.cz
[38400] 252.21.192.213.in-addr.arpa. domain name pointer 252-21.net.optinet.cz
[38400] 253.21.192.213.in-addr.arpa. domain name pointer 253-21.net.optinet.cz
[38400] 254.21.192.213.in-addr.arpa. domain name pointer 254-21.net.optinet.cz
[0] 255.21.192.213.in-addr.arpa.: domain name does not exist