doctorsim.it - robtex.com
doctorsim.it
it
| DNSSEC | π Signed (DS record present) | ||||||
| NS | dns.nic.it β π | ||||||
| NS | a.dns.it π | ||||||
| NS | m.dns.it π | ||||||
| NS | nameserver.cnr.it | ||||||
| NS | r.dns.it π | ||||||
| NS | v.dns.it π | ||||||
| SOA | dns.nic.ithostmaster@nic.it 2026-02-17 #2 | ||||||
Up
www.doctorsim.it |
Same first word
doctorsim.io |
doctorsim.com.mx |
doctorsim.it |
doctorsim.de |
doctorsim.co |
doctorsim.cl |
doctorsim.reviews |
doctorsim.us |
doctorsim.fr |
doctorsim.com |
doctorsim.es |
doctorsim.net |
Similar names
DNS History
110 records (12 active, 98 former)
βNSns-1225.awsdns-25.org2015-11-13 β 2026-02-28 Β· 2 obs
β 2026-02-28 11:54:54
βNSns-1892.awsdns-44.co.uk2015-11-13 β 2026-02-28 Β· 2 obs
β 2026-02-28 11:54:54
βNSns-43.awsdns-05.com2015-11-13 β 2026-02-28 Β· 2 obs
β 2026-02-28 11:54:54
βNSns-993.awsdns-60.net2015-11-13 β 2026-02-28 Β· 2 obs
β 2026-02-28 11:54:54
βA16.12.24.522026-02-17 β 2026-02-17 Β· 4 obs
β 2026-02-17 18:42:02
β 2026-02-17 22:20:20
β 2026-02-28 11:54:54
βA16.12.32.202026-02-28 β 2026-02-28 Β· 2 obs
β 2026-02-28 11:54:54
βA3.5.120.1192026-02-27 β 2026-02-27 Β· 3 obs
β 2026-02-27 19:45:54
β 2026-02-28 11:54:54
βA3.5.121.1052026-02-17 β 2026-02-17 Β· 4 obs
β 2026-02-17 18:42:02
β 2026-02-17 22:20:20
β 2026-02-28 11:54:54
βA3.5.122.1172026-02-19 β 2026-02-19 Β· 4 obs
β 2026-02-19 16:52:16
β 2026-02-27 18:15:34
β 2026-02-28 11:54:54
βA3.5.134.1172026-02-19 β 2026-02-19 Β· 4 obs
β 2026-02-19 16:52:16
β 2026-02-27 18:15:34
β 2026-02-28 11:54:54
βA3.5.134.1602026-02-15 β 2026-02-28 Β· 2 obs
β 2026-02-28 11:54:54
βA3.5.134.2072026-02-27 β 2026-02-27 Β· 4 obs
β 2026-02-27 18:15:34
β 2026-02-27 19:45:54
β 2026-02-28 11:54:54
βA3.5.134.2162026-02-15 β 2026-02-27 Β· 6 obs
β 2026-02-15 09:22:40
β 2026-02-16 13:30:58
β 2026-02-27 18:15:34
β 2026-02-27 19:45:54
β 2026-02-28 11:54:54
βA3.5.134.2262026-02-28 β 2026-02-28 Β· 2 obs
β 2026-02-28 11:54:54
βA3.5.134.2302026-02-27 β 2026-02-27 Β· 3 obs
β 2026-02-27 19:45:54
β 2026-02-28 11:54:54
βA3.5.134.2482026-02-15 β 2026-02-15 Β· 4 obs
β 2026-02-15 09:22:40
β 2026-02-16 13:30:58
β 2026-02-28 11:54:54
βA3.5.134.332026-02-18 β 2026-02-18 Β· 4 obs
β 2026-02-18 02:41:56
β 2026-02-19 16:52:16
β 2026-02-28 11:54:54
βA3.5.134.362026-02-18 β 2026-02-18 Β· 4 obs
β 2026-02-18 02:41:56
β 2026-02-19 16:52:16
β 2026-02-28 11:54:54
βA3.5.134.422026-02-17 β 2026-02-17 Β· 4 obs
β 2026-02-17 22:20:20
β 2026-02-18 02:41:56
β 2026-02-28 11:54:54
βA3.5.135.1332026-02-19 β 2026-02-19 Β· 5 obs
β 2026-02-18 02:41:56
β 2026-02-19 16:52:16
β 2026-02-27 18:15:34
β 2026-02-28 11:54:54
βA3.5.135.1352026-02-17 β 2026-02-17 Β· 4 obs
β 2026-02-17 18:42:02
β 2026-02-17 22:20:20
β 2026-02-28 11:54:54
βA3.5.135.1402026-02-27 β 2026-02-27 Β· 4 obs
β 2026-02-27 18:15:34
β 2026-02-27 19:45:54
β 2026-02-28 11:54:54
βA3.5.135.1412026-02-19 β 2026-02-19 Β· 4 obs
β 2026-02-19 16:52:16
β 2026-02-27 18:15:34
β 2026-02-28 11:54:54
βA3.5.135.1652026-02-17 β 2026-02-17 Β· 4 obs
β 2026-02-17 18:42:02
β 2026-02-17 22:20:20
β 2026-02-28 11:54:54
βA3.5.135.22026-02-27 β 2026-02-27 Β· 4 obs
β 2026-02-27 18:15:34
β 2026-02-27 19:45:54
β 2026-02-28 11:54:54
βA3.5.135.2232026-02-17 β 2026-02-27 Β· 6 obs
β 2026-02-17 22:20:20
β 2026-02-18 02:41:56
β 2026-02-27 18:15:34
β 2026-02-27 19:45:54
β 2026-02-28 11:54:54
βA3.5.135.2272026-02-18 β 2026-02-18 Β· 4 obs
β 2026-02-18 02:41:56
β 2026-02-19 16:52:16
β 2026-02-28 11:54:54
βA3.5.135.562026-02-19 β 2026-02-19 Β· 4 obs
β 2026-02-19 16:52:16
β 2026-02-27 18:15:34
β 2026-02-28 11:54:54
βA3.5.135.662026-02-28 β 2026-02-28 Β· 2 obs
β 2026-02-28 11:54:54
βA3.5.136.1502026-02-27 β 2026-02-27 Β· 4 obs
β 2026-02-27 18:15:34
β 2026-02-27 19:45:54
β 2026-02-28 11:54:54
βA3.5.136.1752026-02-27 β 2026-02-27 Β· 4 obs
β 2026-02-27 18:15:34
β 2026-02-27 19:45:54
β 2026-02-28 11:54:54
βA3.5.136.892026-02-19 β 2026-02-19 Β· 4 obs
β 2026-02-19 16:52:16
β 2026-02-27 18:15:34
β 2026-02-28 11:54:54
βA3.5.136.922026-02-16 β 2026-02-16 Β· 4 obs
β 2026-02-16 13:30:58
β 2026-02-17 18:42:02
β 2026-02-28 11:54:54
βA3.5.136.942026-02-15 β 2026-02-28 Β· 2 obs
β 2026-02-28 11:54:54
βA3.5.137.1732026-02-16 β 2026-02-16 Β· 4 obs
β 2026-02-16 13:30:58
β 2026-02-17 18:42:02
β 2026-02-28 11:54:54
βA3.5.137.2402026-02-27 β 2026-02-27 Β· 4 obs
β 2026-02-27 18:15:34
β 2026-02-27 19:45:54
β 2026-02-28 11:54:54
βA3.5.137.2462026-02-18 β 2026-02-18 Β· 4 obs
β 2026-02-18 02:41:56
β 2026-02-19 16:52:16
β 2026-02-28 11:54:54
βA3.5.137.522026-02-28 β 2026-02-28 Β· 2 obs
β 2026-02-28 11:54:54
βA3.5.137.812026-02-28 β 2026-02-28 Β· 2 obs
β 2026-02-28 11:54:54
βA3.5.138.102026-02-18 β 2026-02-18 Β· 4 obs
β 2026-02-18 02:41:56
β 2026-02-19 16:52:16
β 2026-02-28 11:54:54
βA3.5.138.1382026-02-18 β 2026-02-18 Β· 4 obs
β 2026-02-18 02:41:56
β 2026-02-19 16:52:16
β 2026-02-28 11:54:54
βA3.5.138.1572026-02-28 β 2026-02-28 Β· 2 obs
β 2026-02-28 11:54:54
βA3.5.138.1622026-02-18 β 2026-02-18 Β· 5 obs
β 2026-02-17 22:20:20
β 2026-02-18 02:41:56
β 2026-02-19 16:52:16
β 2026-02-28 11:54:54
βA3.5.138.1872026-02-16 β 2026-02-16 Β· 4 obs
β 2026-02-16 13:30:58
β 2026-02-17 18:42:02
β 2026-02-28 11:54:54
βA3.5.138.2332026-02-17 β 2026-02-17 Β· 4 obs
β 2026-02-17 18:42:02
β 2026-02-17 22:20:20
β 2026-02-28 11:54:54
βA3.5.138.2432026-02-27 β 2026-02-27 Β· 3 obs
β 2026-02-27 19:45:54
β 2026-02-28 11:54:54
βA3.5.138.452026-02-27 β 2026-02-27 Β· 3 obs
β 2026-02-27 19:45:54
β 2026-02-28 11:54:54
βA3.5.138.652026-02-15 β 2026-02-28 Β· 2 obs
β 2026-02-28 11:54:54
βA3.5.138.92026-02-17 β 2026-02-17 Β· 4 obs
β 2026-02-17 22:20:20
β 2026-02-18 02:41:56
β 2026-02-28 11:54:54
βA3.5.139.1892026-02-15 β 2026-02-15 Β· 4 obs
β 2026-02-15 09:22:40
β 2026-02-16 13:30:58
β 2026-02-28 11:54:54
βA3.5.139.212026-02-15 β 2026-02-27 Β· 7 obs
β 2026-02-15 09:22:40
β 2026-02-16 13:30:58
β 2026-02-19 16:52:16
β 2026-02-27 18:15:34
β 2026-02-27 19:45:54
β 2026-02-28 11:54:54
βA3.5.139.492026-02-16 β 2026-02-16 Β· 4 obs
β 2026-02-16 13:30:58
β 2026-02-17 18:42:02
β 2026-02-28 11:54:54
βA3.5.139.502026-02-17 β 2026-02-17 Β· 4 obs
β 2026-02-17 22:20:20
β 2026-02-18 02:41:56
β 2026-02-28 11:54:54
βA3.5.139.862026-02-17 β 2026-02-17 Β· 5 obs
β 2026-02-16 13:30:58
β 2026-02-17 18:42:02
β 2026-02-17 22:20:20
β 2026-02-28 11:54:54
βA3.5.139.942026-02-17 β 2026-02-17 Β· 4 obs
β 2026-02-17 22:20:20
β 2026-02-18 02:41:56
β 2026-02-28 11:54:54
βA52.219.140.342026-02-15 β 2026-02-28 Β· 2 obs
β 2026-02-28 11:54:54
βA52.219.140.802026-02-28 β 2026-02-28 Β· 2 obs
β 2026-02-28 11:54:54
βA52.219.168.902026-02-16 β 2026-02-16 Β· 4 obs
β 2026-02-16 13:30:58
β 2026-02-17 18:42:02
β 2026-02-28 11:54:54
βA52.219.169.02026-02-17 β 2026-02-17 Β· 4 obs
β 2026-02-17 22:20:20
β 2026-02-18 02:41:56
β 2026-02-28 11:54:54
βA52.219.169.1322026-02-15 β 2026-02-15 Β· 4 obs
β 2026-02-15 09:22:40
β 2026-02-16 13:30:58
β 2026-02-28 11:54:54
βA52.219.169.282026-02-16 β 2026-02-27 Β· 6 obs
β 2026-02-16 13:30:58
β 2026-02-17 18:42:02
β 2026-02-27 18:15:34
β 2026-02-27 19:45:54
β 2026-02-28 11:54:54
βA52.219.169.402026-02-17 β 2026-02-17 Β· 4 obs
β 2026-02-17 18:42:02
β 2026-02-17 22:20:20
β 2026-02-28 11:54:54
βA52.219.169.922026-02-15 β 2026-02-15 Β· 4 obs
β 2026-02-15 09:22:40
β 2026-02-16 13:30:58
β 2026-02-28 11:54:54
βA52.219.170.1162026-02-19 β 2026-02-19 Β· 4 obs
β 2026-02-19 16:52:16
β 2026-02-27 18:15:34
β 2026-02-28 11:54:54
βA52.219.170.1762026-02-27 β 2026-02-27 Β· 3 obs
β 2026-02-27 19:45:54
β 2026-02-28 11:54:54
βA52.219.171.242026-02-16 β 2026-02-16 Β· 4 obs
β 2026-02-16 13:30:58
β 2026-02-17 18:42:02
β 2026-02-28 11:54:54
βA52.219.171.2522026-02-27 β 2026-02-27 Β· 4 obs
β 2026-02-27 18:15:34
β 2026-02-27 19:45:54
β 2026-02-28 11:54:54
βA52.219.171.602026-02-16 β 2026-02-16 Β· 4 obs
β 2026-02-16 13:30:58
β 2026-02-17 18:42:02
β 2026-02-28 11:54:54
βA52.219.208.42026-02-17 β 2026-02-17 Β· 4 obs
β 2026-02-17 22:20:20
β 2026-02-18 02:41:56
β 2026-02-28 11:54:54
βA52.219.46.22026-02-19 β 2026-02-19 Β· 4 obs
β 2026-02-19 16:52:16
β 2026-02-27 18:15:34
β 2026-02-28 11:54:54
βA52.219.47.242026-02-17 β 2026-02-17 Β· 4 obs
β 2026-02-17 22:20:20
β 2026-02-18 02:41:56
β 2026-02-28 11:54:54
βA52.219.72.112017-10-11 β 2017-10-11 Β· 4 obs
β 2017-10-11 21:46:12
β 2026-02-15 09:22:40
β 2026-02-28 11:54:54
βA52.219.72.1182026-02-15 β 2026-02-15 Β· 4 obs
β 2026-02-15 09:22:40
β 2026-02-16 13:30:58
β 2026-02-28 11:54:54
βA52.219.72.152017-08-17 β 2017-10-11 Β· 6 obs
β 2017-08-17 15:38:22
β 2017-08-29 13:34:02
β 2017-10-11 21:46:12
β 2026-02-15 09:22:40
β 2026-02-28 11:54:54
βA52.219.72.1822026-02-28 β 2026-02-28 Β· 2 obs
β 2026-02-28 11:54:54
βA52.219.72.192017-08-17 β 2017-10-11 Β· 6 obs
β 2017-08-17 15:38:22
β 2017-08-29 13:34:02
β 2017-10-11 21:46:12
β 2026-02-15 09:22:40
β 2026-02-28 11:54:54
βA52.219.72.232017-06-28 β 2017-10-11 Β· 7 obs
β 2017-06-28 17:23:52
β 2017-07-08 23:57:24
β 2017-08-17 15:38:22
β 2017-10-11 21:46:12
β 2026-02-15 09:22:40
β 2026-02-28 11:54:54
βA52.219.72.272017-10-11 β 2017-10-11 Β· 4 obs
β 2017-10-11 21:46:12
β 2026-02-15 09:22:40
β 2026-02-28 11:54:54
βA52.219.72.32017-07-08 β 2017-08-09 Β· 5 obs
β 2017-07-08 23:57:24
β 2017-08-09 20:01:22
β 2017-08-17 15:38:22
β 2026-02-28 11:54:54
βA52.219.72.392017-07-30 β 2017-07-30 Β· 4 obs
β 2017-07-30 09:08:54
β 2017-08-09 20:01:22
β 2026-02-28 11:54:54
βA52.219.72.432017-10-11 β 2017-10-11 Β· 4 obs
β 2017-10-11 21:46:12
β 2026-02-15 09:22:40
β 2026-02-28 11:54:54
βA52.219.72.72017-08-09 β 2017-08-29 Β· 6 obs
β 2017-08-09 20:01:22
β 2017-08-17 15:38:22
β 2017-08-29 13:34:02
β 2017-10-11 21:46:12
β 2026-02-28 11:54:54
βA52.219.73.112017-02-14 β 2017-07-08 Β· 6 obs
β 2017-02-14 04:25:52
β 2017-06-28 17:23:52
β 2017-07-08 23:57:24
β 2017-07-30 09:08:54
β 2026-02-28 11:54:54
βA52.219.73.152017-06-28 β 2017-08-29 Β· 8 obs
β 2017-06-28 17:23:52
β 2017-07-30 09:08:54
β 2017-08-09 20:01:22
β 2017-08-17 15:38:22
β 2017-08-29 13:34:02
β 2017-10-11 21:46:12
β 2026-02-28 11:54:54
βA52.219.73.232017-02-14 β 2017-02-14 Β· 4 obs
β 2017-02-14 04:25:52
β 2017-06-28 17:23:52
β 2026-02-28 11:54:54
βA52.219.73.272017-08-29 β 2017-08-29 Β· 4 obs
β 2017-08-29 13:34:02
β 2017-10-11 21:46:12
β 2026-02-28 11:54:54
βA52.219.73.32017-07-08 β 2017-08-29 Β· 6 obs
β 2017-07-08 23:57:24
β 2017-07-30 09:08:54
β 2017-08-29 13:34:02
β 2017-10-11 21:46:12
β 2026-02-28 11:54:54
βA52.219.73.432017-07-08 β 2017-10-11 Β· 6 obs
β 2017-07-08 23:57:24
β 2017-07-30 09:08:54
β 2017-10-11 21:46:12
β 2026-02-15 09:22:40
β 2026-02-28 11:54:54
βA52.219.73.472017-08-09 β 2017-08-09 Β· 4 obs
β 2017-08-09 20:01:22
β 2017-08-17 15:38:22
β 2026-02-28 11:54:54
βA52.219.73.72017-06-28 β 2017-10-11 Β· 8 obs
β 2017-06-28 17:23:52
β 2017-07-30 09:08:54
β 2017-08-09 20:01:22
β 2017-08-29 13:34:02
β 2017-10-11 21:46:12
β 2026-02-15 09:22:40
β 2026-02-28 11:54:54
βA52.219.74.112017-08-17 β 2017-08-17 Β· 4 obs
β 2017-08-17 15:38:22
β 2017-08-29 13:34:02
β 2026-02-28 11:54:54
βA52.219.74.152017-08-09 β 2017-08-17 Β· 5 obs
β 2017-08-09 20:01:22
β 2017-08-17 15:38:22
β 2017-08-29 13:34:02
β 2026-02-28 11:54:54
βA52.219.74.192017-07-30 β 2017-08-29 Β· 6 obs
β 2017-07-30 09:08:54
β 2017-08-09 20:01:22
β 2017-08-29 13:34:02
β 2017-10-11 21:46:12
β 2026-02-28 11:54:54
βA52.219.74.232017-06-28 β 2017-07-08 Β· 5 obs
β 2017-06-28 17:23:52
β 2017-07-08 23:57:24
β 2017-07-30 09:08:54
β 2026-02-28 11:54:54
βA52.219.74.272017-06-28 β 2017-10-11 Β· 6 obs
β 2017-06-28 17:23:52
β 2017-07-08 23:57:24
β 2017-10-11 21:46:12
β 2026-02-15 09:22:40
β 2026-02-28 11:54:54
βA52.219.74.32017-08-09 β 2017-08-17 Β· 5 obs
β 2017-08-09 20:01:22
β 2017-08-17 15:38:22
β 2017-08-29 13:34:02
β 2026-02-28 11:54:54
βA52.219.74.312017-08-29 β 2017-08-29 Β· 4 obs
β 2017-08-29 13:34:02
β 2017-10-11 21:46:12
β 2026-02-28 11:54:54
βA52.219.74.392017-08-29 β 2017-08-29 Β· 4 obs
β 2017-08-29 13:34:02
β 2017-10-11 21:46:12
β 2026-02-28 11:54:54
βA52.219.74.72017-06-28 β 2017-08-29 Β· 8 obs
β 2017-06-28 17:23:52
β 2017-07-30 09:08:54
β 2017-08-09 20:01:22
β 2017-08-17 15:38:22
β 2017-08-29 13:34:02
β 2017-10-11 21:46:12
β 2026-02-28 11:54:54
βA54.231.192.392016-02-05 β 2017-02-14 Β· 8 obs
β 2016-02-05 01:32:36
β 2016-04-18 01:24:02
β 2016-12-27 11:14:36
β 2016-12-28 21:40:54
β 2017-02-14 04:25:52
β 2017-06-28 17:23:52
β 2026-02-28 11:54:54
βA54.231.192.432015-11-13 β 2016-12-27 Β· 6 obs
β 2016-02-05 01:32:36
β 2016-12-26 03:57:14
β 2016-12-27 11:14:36
β 2016-12-28 21:40:54
β 2026-02-28 11:54:54
βA54.231.192.512016-12-27 β 2016-12-27 Β· 4 obs
β 2016-12-27 11:14:36
β 2017-02-14 04:25:52
β 2026-02-28 11:54:54
βA54.231.193.432016-12-27 β 2017-02-14 Β· 5 obs
β 2016-12-27 11:14:36
β 2017-02-14 04:25:52
β 2017-06-28 17:23:52
β 2026-02-28 11:54:54
βA54.231.193.472016-04-18 β 2016-12-27 Β· 7 obs
β 2016-04-18 01:24:02
β 2016-12-23 04:02:48
β 2016-12-26 03:57:14
β 2016-12-27 11:14:36
β 2017-02-14 04:25:52
β 2026-02-28 11:54:54
βA54.231.193.512017-02-14 β 2017-02-14 Β· 4 obs
β 2017-02-14 04:25:52
β 2017-06-28 17:23:52
β 2026-02-28 11:54:54
βA54.231.193.552016-12-27 β 2017-02-14 Β· 5 obs
β 2016-12-27 11:14:36
β 2017-02-14 04:25:52
β 2017-06-28 17:23:52
β 2026-02-28 11:54:54
βA54.231.194.392016-12-28 β 2016-12-28 Β· 4 obs
β 2016-12-28 21:40:54
β 2017-02-14 04:25:52
β 2026-02-28 11:54:54
βA54.231.194.432016-12-27 β 2017-02-14 Β· 5 obs
β 2016-12-27 11:14:36
β 2017-02-14 04:25:52
β 2017-06-28 17:23:52
β 2026-02-28 11:54:54
βA54.231.194.472016-12-23 β 2016-12-23 Β· 4 obs
β 2016-12-23 04:02:48
β 2016-12-26 03:57:14
β 2026-02-28 11:54:54
βA54.231.194.552017-02-14 β 2017-02-14 Β· 4 obs
β 2017-02-14 04:25:52
β 2017-06-28 17:23:52
β 2026-02-28 11:54:54
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| it | nameserver.cnr.it, dns.nic.it, a.dns.it, r.dns.it... | - |
| doctorsim.it | ns-1225.awsdns-25.org, ns-43.awsdns-05.com, ns-993.awsdns-60.net, ns-1892.awsdns-44.co.uk | - |
β Authoritative Response
Server: 205.251.195.225
NS records: ns-1225.awsdns-25.org, ns-43.awsdns-05.com, ns-993.awsdns-60.net, ns-1892.awsdns-44.co.uk
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for doctorsim.it (unsigned zone)
β±οΈ Timing
Total: 1587ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 8 | 16.12.24.60, 3.5.134.216... |
| NS | 4 | ns-1225.awsdns-25.org, ns-1892.awsdns-44.co.uk... |
| SOA | 1 | ns-993.awsdns-60.net awsdns-hostmaster.a |
AI analysis
The parent of www.doctorsim.it is doctorsim.it.
Eight IP numbers are pointed to by doctorsim.it: 3.5.134.226, 3.5.135.66, 3.5.137.52, 3.5.137.81, 3.5.138.157, 16.12.32.20, 52.219.72.182 and 52.219.140.80.
other host names include mabecol.com, flyingpenguin.tech, hipp.science, www.rossmann.eu and ertflix.com; they share IP numbers with doctorsim.it.
doctorsim.it delegates to four name servers: ns-43.awsdns-05.com, ns-993.awsdns-60.net, ns-1225.awsdns-25.org and ns-1892.awsdns-44.co.uk.
doctorsim.it at least partially shares name servers with other domains, for instance theslop.org, chatstrip.at, d1cuzure39inku.cloudfront.net, gerrys.co.nz and westsirius.com.
these name servers are commonly used with ns-1496.awsdns-59.org, ns-869.awsdns-44.net, ns-80.awsdns-10.com, ns-1754.awsdns-27.co.uk, ns-666.awsdns-19.net, ns-1092.awsdns-08.org, ns1.rocketspark.com, ns2.rocketspark.com, ns3.rocketspark.com and ns4.rocketspark.com.
Host names with two IP numbers: ns-43.awsdns-05.com points to 2600:9000:5300:2b00::1 and 205.251.192.43; ns-993.awsdns-60.net points to 2600:9000:5303:e100::1 and 205.251.195.225; ns-1225.awsdns-25.org points to 2600:9000:5304:c900::1 and 205.251.196.201; ns-1892.awsdns-44.co.uk points to 2600:9000:5307:6400::1 and 205.251.199.100.