theequalizer2sweeps.com - robtex.com

theequalizer2sweeps.com

DNSSEC⚠️ Not signed
A44.252.150.127🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix
A52.40.233.95🇺🇸 Amazon52.40.0.0/14 EC2 PDX prefix
A54.69.83.135🇺🇸 Amazon54.68.0.0/15 EC2 PDX Prefix
NSpdns71.ultradns.com
A2001:502:f3ff::6b🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRpdns71.ultradns.com
A156.154.64.71🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar
PTRpdns71.ultradns.com
NSns16.ultradns2.com ⚠️ Not in parent delegation
A2610:a1:3110::53🇺🇸 AS3991692610:a1:3110::/48
PTRns16.ultradns2.com
A204.74.104.16🇺🇸 AS399169204.74.104.0/24 UltraDNS
PTRns16.ultradns2.com
NSns16.ultradns2.org ⚠️ Not in parent delegation
A2610:a1:3210::53🇺🇸 AS3991692610:a1:3210::/48
PTRns16.ultradns2.org
A204.74.106.16🇺🇸 AS399169204.74.106.0/24 UltraDNS
PTRns16.ultradns2.org
NSpdns71.ultradns.biz
A2610:a1:1015::6b🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRpdns71.ultradns.biz
A156.154.66.71🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar
PTRpdns71.ultradns.biz
NSpdns71.ultradns.co.uk
A2610:a1:1017::6b🇺🇸 MAINT-ID-120082610:a1:1017::/48 Neustar
PTRpdns71.ultradns.co.uk
A156.154.69.71🇺🇸 MAINT-ID-12008156.154.69.0/24 Neustar
PTRpdns71.ultradns.co.uk
NSpdns71.ultradns.info
A2610:a1:1016::6b🇺🇸 MAINT-ID-120082610:a1:1016::/48 Neustar
PTRpdns71.ultradns.info
A156.154.68.71🇺🇸 MAINT-ID-12008156.154.68.0/24 Neustar
PTRpdns71.ultradns.info
NSpdns71.ultradns.net
A2610:a1:1014::6b🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRpdns71.ultradns.net
A156.154.65.71🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar
PTRpdns71.ultradns.net
NSpdns71.ultradns.org
A2001:502:4612::6b🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRpdns71.ultradns.org
A156.154.67.71🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar
PTRpdns71.ultradns.org
SOApdns71.ultradns.compaul_li@spe.sony.com 2014-06-19 #12

com

Same first word

DNS History

79 records (11 active, 68 former)

NSns16.ultradns2.comns16.ultradns2.orgpdns71.ultradns.bizpdns71.ultradns.co.ukpdns71.ultradns.compdns71.ultradns.infopdns71.ultradns.netpdns71.ultradns.orgA44.252.150.12752.40.233.9554.69.83.135100.20.26.220100.22.138.105100.22.146.156100.22.234.9116.145.218.16216.148.0.11716.148.150.22016.148.152.40184.32.253.242184.33.60.46184.34.94.23232.184.152.132.184.34.12632.186.146.2334.208.195.22834.216.255.15734.218.42.21234.223.206.16635.161.120.15935.161.128.1235.161.183.6435.162.42.19335.163.66.11635.166.52.23135.82.79.17035.83.151.16735.83.157.16635.83.41.17444.224.231.23844.225.81.18544.228.213.8744.232.202.16644.232.42.25144.233.63.4544.233.9.22244.235.245.15844.240.90.22744.249.229.6144.250.6.19544.253.59.24144.254.22.15444.255.11.1752.10.107.352.10.158.1652.27.220.17152.32.170.20052.32.59.9452.34.164.17652.35.101.23752.35.171.452.36.15.13752.36.206.18852.37.205.9652.38.236.23752.40.142.2054.184.14.5054.184.235.11754.185.146.17154.185.19.7254.190.212.17254.191.156.7454.200.120.454.200.86.454.213.2.4254.214.33.20454.245.125.18154.68.252.18354.70.65.151
NSns16.ultradns2.com2026-03-29 → 2026-08-08 · 2 obs
● 2026-03-29 15:48:02
● 2026-08-08 12:54:48
NSns16.ultradns2.org2026-03-29 → 2026-08-08 · 2 obs
● 2026-03-29 15:48:02
● 2026-08-08 12:54:48
NSpdns71.ultradns.biz2026-03-29 → 2026-08-08 · 2 obs
● 2026-03-29 15:48:02
● 2026-08-08 12:54:48
NSpdns71.ultradns.co.uk2026-03-29 → 2026-08-08 · 2 obs
● 2026-03-29 15:48:02
● 2026-08-08 12:54:48
NSpdns71.ultradns.com2026-03-29 → 2026-08-08 · 2 obs
● 2026-03-29 15:48:02
● 2026-08-08 12:54:48
NSpdns71.ultradns.info2026-03-29 → 2026-08-08 · 2 obs
● 2026-03-29 15:48:02
● 2026-08-08 12:54:48
NSpdns71.ultradns.net2026-03-29 → 2026-08-08 · 2 obs
● 2026-03-29 15:48:02
● 2026-08-08 12:54:48
NSpdns71.ultradns.org2026-03-29 → 2026-08-08 · 2 obs
● 2026-03-29 15:48:02
● 2026-08-08 12:54:48
A100.20.26.2202026-07-26 → 2026-07-26 · 4 obs
○ 2026-07-18 19:21:54
● 2026-07-26 11:19:22
○ 2026-08-04 23:59:36
○ 2026-08-08 12:54:48
A100.22.138.1052026-05-04 → 2026-05-05 · 5 obs
○ 2026-05-02 10:23:28
● 2026-05-04 01:47:30
● 2026-05-05 20:46:52
○ 2026-05-06 23:53:54
○ 2026-08-08 12:54:48
A100.22.146.1562026-03-29 → 2026-03-29 · 3 obs
● 2026-03-29 15:48:02
○ 2026-04-11 19:50:52
○ 2026-08-08 12:54:48
A100.22.234.912026-06-01 → 2026-06-01 · 4 obs
○ 2026-05-26 21:20:22
● 2026-06-01 17:39:40
○ 2026-06-07 16:22:28
○ 2026-08-08 12:54:48
A16.145.218.1622026-05-15 → 2026-05-19 · 5 obs
○ 2026-05-13 08:24:08
● 2026-05-15 16:07:30
● 2026-05-19 11:56:14
○ 2026-05-20 16:30:04
○ 2026-08-08 12:54:48
A16.148.0.1172026-07-26 → 2026-07-26 · 4 obs
○ 2026-07-18 19:21:54
● 2026-07-26 11:19:22
○ 2026-08-04 23:59:36
○ 2026-08-08 12:54:48
A16.148.150.2202026-04-22 → 2026-04-22 · 4 obs
○ 2026-04-21 10:42:22
● 2026-04-22 13:31:00
○ 2026-04-23 12:58:30
○ 2026-08-08 12:54:48
A16.148.152.402026-05-12 → 2026-05-12 · 5 obs
○ 2026-05-08 17:44:00
● 2026-05-12 06:06:26
● 2026-05-12 11:37:52
○ 2026-05-13 08:24:08
○ 2026-08-08 12:54:48
A184.32.253.2422026-04-17 → 2026-04-21 · 5 obs
○ 2026-04-14 06:43:08
● 2026-04-17 23:47:18
● 2026-04-21 10:42:22
○ 2026-04-22 13:31:00
○ 2026-08-08 12:54:48
A184.33.60.462026-07-26 → 2026-07-26 · 4 obs
○ 2026-07-18 19:21:54
● 2026-07-26 11:19:22
○ 2026-08-04 23:59:36
○ 2026-08-08 12:54:48
A184.34.94.2322026-05-15 → 2026-05-15 · 4 obs
○ 2026-05-13 08:24:08
● 2026-05-15 16:07:30
○ 2026-05-19 11:56:14
○ 2026-08-08 12:54:48
A32.184.152.12026-07-18 → 2026-07-18 · 4 obs
○ 2026-07-15 23:10:52
● 2026-07-18 19:21:54
○ 2026-07-26 11:19:22
○ 2026-08-08 12:54:48
A32.184.34.1262026-06-16 → 2026-06-16 · 4 obs
○ 2026-06-12 03:11:26
● 2026-06-16 07:56:42
○ 2026-07-03 15:55:20
○ 2026-08-08 12:54:48
A32.186.146.232026-07-15 → 2026-07-15 · 4 obs
○ 2026-07-03 15:55:20
● 2026-07-15 23:10:52
○ 2026-07-18 19:21:54
○ 2026-08-08 12:54:48
A34.208.195.2282026-08-04 → 2026-08-04 · 4 obs
○ 2026-07-26 11:19:22
● 2026-08-04 23:59:36
○ 2026-08-07 06:27:58
○ 2026-08-08 12:54:48
A34.216.255.1572026-04-22 → 2026-04-26 · 5 obs
○ 2026-04-21 10:42:22
● 2026-04-22 13:31:00
● 2026-04-26 08:24:42
○ 2026-04-29 21:13:22
○ 2026-08-08 12:54:48
A34.218.42.2122026-06-12 → 2026-06-12 · 4 obs
○ 2026-06-07 16:22:28
● 2026-06-12 03:11:26
○ 2026-06-16 07:56:42
○ 2026-08-08 12:54:48
A34.223.206.1662026-06-07 → 2026-06-12 · 5 obs
○ 2026-06-01 17:39:40
● 2026-06-07 16:22:28
● 2026-06-12 03:11:26
○ 2026-06-16 07:56:42
○ 2026-08-08 12:54:48
A35.161.120.1592026-08-04 → 2026-08-04 · 4 obs
○ 2026-07-26 11:19:22
● 2026-08-04 23:59:36
○ 2026-08-07 06:27:58
○ 2026-08-08 12:54:48
A35.161.128.122026-04-29 → 2026-04-30 · 5 obs
○ 2026-04-26 08:24:42
● 2026-04-29 21:13:22
● 2026-04-30 04:37:48
○ 2026-04-30 16:49:04
○ 2026-08-08 12:54:48
A35.161.183.642026-05-20 → 2026-05-26 · 5 obs
○ 2026-05-19 11:56:14
● 2026-05-20 16:30:04
● 2026-05-26 21:20:22
○ 2026-06-01 17:39:40
○ 2026-08-08 12:54:48
A35.162.42.1932026-04-23 → 2026-04-26 · 5 obs
○ 2026-04-22 13:31:00
● 2026-04-23 12:58:30
● 2026-04-26 08:24:42
○ 2026-04-29 21:13:22
○ 2026-08-08 12:54:48
A35.163.66.1162026-06-16 → 2026-06-16 · 4 obs
○ 2026-06-12 03:11:26
● 2026-06-16 07:56:42
○ 2026-07-03 15:55:20
○ 2026-08-08 12:54:48
A35.166.52.2312026-04-22 → 2026-04-26 · 5 obs
○ 2026-04-21 10:42:22
● 2026-04-22 13:31:00
● 2026-04-26 08:24:42
○ 2026-04-29 21:13:22
○ 2026-08-08 12:54:48
A35.82.79.1702026-04-11 → 2026-04-13 · 5 obs
○ 2026-03-29 15:48:02
● 2026-04-11 19:50:52
● 2026-04-13 08:18:08
○ 2026-04-14 06:43:08
○ 2026-08-08 12:54:48
A35.83.151.1672026-08-04 → 2026-08-04 · 4 obs
○ 2026-07-26 11:19:22
● 2026-08-04 23:59:36
○ 2026-08-07 06:27:58
○ 2026-08-08 12:54:48
A35.83.157.1662026-04-14 → 2026-04-14 · 4 obs
○ 2026-04-13 08:18:08
● 2026-04-14 06:43:08
○ 2026-04-17 23:47:18
○ 2026-08-08 12:54:48
A35.83.41.1742026-05-12 → 2026-05-12 · 5 obs
○ 2026-05-08 17:44:00
● 2026-05-12 06:06:26
● 2026-05-12 11:37:52
○ 2026-05-13 08:24:08
○ 2026-08-08 12:54:48
A44.224.231.2382026-05-08 → 2026-05-08 · 4 obs
○ 2026-05-07 07:57:04
● 2026-05-08 17:44:00
○ 2026-05-12 06:06:26
○ 2026-08-08 12:54:48
A44.225.81.1852026-04-29 → 2026-04-30 · 5 obs
○ 2026-04-26 08:24:42
● 2026-04-29 21:13:22
● 2026-04-30 04:37:48
○ 2026-04-30 16:49:04
○ 2026-08-08 12:54:48
A44.228.213.872026-07-03 → 2026-07-03 · 4 obs
○ 2026-06-16 07:56:42
● 2026-07-03 15:55:20
○ 2026-07-15 23:10:52
○ 2026-08-08 12:54:48
A44.232.202.1662026-05-19 → 2026-05-26 · 5 obs
○ 2026-05-15 16:07:30
● 2026-05-19 11:56:14
● 2026-05-26 21:20:22
○ 2026-06-01 17:39:40
○ 2026-08-08 12:54:48
A44.232.42.2512026-07-03 → 2026-07-03 · 4 obs
○ 2026-06-16 07:56:42
● 2026-07-03 15:55:20
○ 2026-07-15 23:10:52
○ 2026-08-08 12:54:48
A44.233.63.452026-08-07 → 2026-08-07 · 3 obs
○ 2026-08-04 23:59:36
● 2026-08-07 06:27:58
○ 2026-08-08 12:54:48
A44.233.9.2222026-05-04 → 2026-05-07 · 5 obs
○ 2026-05-02 10:23:28
● 2026-05-04 01:47:30
● 2026-05-07 07:57:04
○ 2026-05-08 17:44:00
○ 2026-08-08 12:54:48
A44.235.245.1582026-06-07 → 2026-06-07 · 4 obs
○ 2026-06-01 17:39:40
● 2026-06-07 16:22:28
○ 2026-06-12 03:11:26
○ 2026-08-08 12:54:48
A44.240.90.2272026-08-07 → 2026-08-07 · 3 obs
○ 2026-08-04 23:59:36
● 2026-08-07 06:27:58
○ 2026-08-08 12:54:48
A44.249.229.612026-05-06 → 2026-05-08 · 5 obs
○ 2026-05-05 20:46:52
● 2026-05-06 23:53:54
● 2026-05-08 17:44:00
○ 2026-05-12 06:06:26
○ 2026-08-08 12:54:48
A44.250.6.1952026-05-15 → 2026-05-15 · 4 obs
○ 2026-05-13 08:24:08
● 2026-05-15 16:07:30
○ 2026-05-19 11:56:14
○ 2026-08-08 12:54:48
A44.252.150.1272026-08-08 → 2026-08-08 · 2 obs
○ 2026-08-07 06:27:58
● 2026-08-08 12:54:48
A44.253.59.2412026-05-12 → 2026-05-12 · 5 obs
○ 2026-05-08 17:44:00
● 2026-05-12 06:06:26
● 2026-05-12 11:37:52
○ 2026-05-13 08:24:08
○ 2026-08-08 12:54:48
A44.254.22.1542026-07-15 → 2026-07-15 · 4 obs
○ 2026-07-03 15:55:20
● 2026-07-15 23:10:52
○ 2026-07-18 19:21:54
○ 2026-08-08 12:54:48
A44.255.11.172026-03-29 → 2026-03-29 · 3 obs
● 2026-03-29 15:48:02
○ 2026-04-11 19:50:52
○ 2026-08-08 12:54:48
A52.10.107.32026-03-29 → 2026-03-29 · 3 obs
● 2026-03-29 15:48:02
○ 2026-04-11 19:50:52
○ 2026-08-08 12:54:48
A52.10.158.162026-08-07 → 2026-08-07 · 3 obs
○ 2026-08-04 23:59:36
● 2026-08-07 06:27:58
○ 2026-08-08 12:54:48
A52.27.220.1712026-04-11 → 2026-04-13 · 5 obs
○ 2026-03-29 15:48:02
● 2026-04-11 19:50:52
● 2026-04-13 08:18:08
○ 2026-04-14 06:43:08
○ 2026-08-08 12:54:48
A52.32.170.2002026-04-14 → 2026-04-14 · 4 obs
○ 2026-04-13 08:18:08
● 2026-04-14 06:43:08
○ 2026-04-17 23:47:18
○ 2026-08-08 12:54:48
A52.32.59.942026-07-18 → 2026-07-18 · 4 obs
○ 2026-07-15 23:10:52
● 2026-07-18 19:21:54
○ 2026-07-26 11:19:22
○ 2026-08-08 12:54:48
A52.34.164.1762026-07-03 → 2026-07-03 · 4 obs
○ 2026-06-16 07:56:42
● 2026-07-03 15:55:20
○ 2026-07-15 23:10:52
○ 2026-08-08 12:54:48
A52.35.101.2372026-06-07 → 2026-06-12 · 5 obs
○ 2026-06-01 17:39:40
● 2026-06-07 16:22:28
● 2026-06-12 03:11:26
○ 2026-06-16 07:56:42
○ 2026-08-08 12:54:48
A52.35.171.42026-06-16 → 2026-06-16 · 4 obs
○ 2026-06-12 03:11:26
● 2026-06-16 07:56:42
○ 2026-07-03 15:55:20
○ 2026-08-08 12:54:48
A52.36.15.1372026-05-13 → 2026-05-13 · 4 obs
○ 2026-05-12 11:37:52
● 2026-05-13 08:24:08
○ 2026-05-15 16:07:30
○ 2026-08-08 12:54:48
A52.36.206.1882026-04-30 → 2026-05-02 · 5 obs
○ 2026-04-30 04:37:48
● 2026-04-30 16:49:04
● 2026-05-02 10:23:28
○ 2026-05-04 01:47:30
○ 2026-08-08 12:54:48
A52.37.205.962026-05-19 → 2026-05-26 · 5 obs
○ 2026-05-15 16:07:30
● 2026-05-19 11:56:14
● 2026-05-26 21:20:22
○ 2026-06-01 17:39:40
○ 2026-08-08 12:54:48
A52.38.236.2372026-07-18 → 2026-07-18 · 4 obs
○ 2026-07-15 23:10:52
● 2026-07-18 19:21:54
○ 2026-07-26 11:19:22
○ 2026-08-08 12:54:48
A52.40.142.202026-04-11 → 2026-04-13 · 5 obs
○ 2026-03-29 15:48:02
● 2026-04-11 19:50:52
● 2026-04-13 08:18:08
○ 2026-04-14 06:43:08
○ 2026-08-08 12:54:48
A52.40.233.952026-08-08 → 2026-08-08 · 2 obs
○ 2026-08-07 06:27:58
● 2026-08-08 12:54:48
A54.184.14.502026-04-30 → 2026-05-07 · 5 obs
○ 2026-04-30 04:37:48
● 2026-04-30 16:49:04
● 2026-05-07 07:57:04
○ 2026-05-08 17:44:00
○ 2026-08-08 12:54:48
A54.184.235.1172026-04-30 → 2026-05-02 · 5 obs
○ 2026-04-30 04:37:48
● 2026-04-30 16:49:04
● 2026-05-02 10:23:28
○ 2026-05-04 01:47:30
○ 2026-08-08 12:54:48
A54.185.146.1712026-04-21 → 2026-04-21 · 4 obs
○ 2026-04-17 23:47:18
● 2026-04-21 10:42:22
○ 2026-04-22 13:31:00
○ 2026-08-08 12:54:48
A54.185.19.722026-05-08 → 2026-05-08 · 4 obs
○ 2026-05-07 07:57:04
● 2026-05-08 17:44:00
○ 2026-05-12 06:06:26
○ 2026-08-08 12:54:48
A54.190.212.1722026-04-14 → 2026-04-14 · 4 obs
○ 2026-04-13 08:18:08
● 2026-04-14 06:43:08
○ 2026-04-17 23:47:18
○ 2026-08-08 12:54:48
A54.191.156.742026-06-01 → 2026-06-01 · 4 obs
○ 2026-05-26 21:20:22
● 2026-06-01 17:39:40
○ 2026-06-07 16:22:28
○ 2026-08-08 12:54:48
A54.200.120.42026-07-15 → 2026-07-15 · 4 obs
○ 2026-07-03 15:55:20
● 2026-07-15 23:10:52
○ 2026-07-18 19:21:54
○ 2026-08-08 12:54:48
A54.200.86.42026-05-13 → 2026-05-13 · 4 obs
○ 2026-05-12 11:37:52
● 2026-05-13 08:24:08
○ 2026-05-15 16:07:30
○ 2026-08-08 12:54:48
A54.213.2.422026-06-01 → 2026-06-01 · 4 obs
○ 2026-05-26 21:20:22
● 2026-06-01 17:39:40
○ 2026-06-07 16:22:28
○ 2026-08-08 12:54:48
A54.214.33.2042026-05-13 → 2026-05-13 · 4 obs
○ 2026-05-12 11:37:52
● 2026-05-13 08:24:08
○ 2026-05-15 16:07:30
○ 2026-08-08 12:54:48
A54.245.125.1812026-04-17 → 2026-04-17 · 4 obs
○ 2026-04-14 06:43:08
● 2026-04-17 23:47:18
○ 2026-04-21 10:42:22
○ 2026-08-08 12:54:48
A54.68.252.1832026-04-17 → 2026-04-21 · 5 obs
○ 2026-04-14 06:43:08
● 2026-04-17 23:47:18
● 2026-04-21 10:42:22
○ 2026-04-22 13:31:00
○ 2026-08-08 12:54:48
A54.69.83.1352026-08-08 → 2026-08-08 · 2 obs
○ 2026-08-07 06:27:58
● 2026-08-08 12:54:48
A54.70.65.1512026-04-29 → 2026-04-30 · 5 obs
○ 2026-04-26 08:24:42
● 2026-04-29 21:13:22
● 2026-04-30 04:37:48
○ 2026-04-30 16:49:04
○ 2026-08-08 12:54:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
theequalizer2sweeps.compdns71.ultradns.net, pdns71.ultradns.com, pdns71.ultradns.biz, pdns71.ultradns.co.uk...2 records

✅ Authoritative Response

Server:156.154.64.71

NS records: pdns71.ultradns.net, pdns71.ultradns.com, pdns71.ultradns.biz, pdns71.ultradns.co.uk, pdns71.ultradns.info, pdns71.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for theequalizer2sweeps.com (unsigned zone)

⏱️ Timing

Total: 654ms | Queries: -

📄 Records

TypeCountSample Data
A354.69.83.135, 52.40.233.95...
NS8ns16.ultradns2.com, ns16.ultradns2.org...
SOA1pdns71.ultradns.com paul_li.spe.sony.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (pdns71.ultradns.com, pdns71.ultradns.com)

Analysis

IP Addresses

theequalizer2sweeps.com maps to three IP numbers — 44.252.150.127, 52.40.233.95 and 54.69.83.135.

Two other host names, along with zombieland2.com.au, badsummeramc.com and angrybirdmovie.com, also share IP numbers with theequalizer2sweeps.com.

Name Servers

theequalizer2sweeps.com has 8 name servers — pdns71.ultradns.biz, pdns71.ultradns.com, ns16.ultradns2.com and 5 others.

theequalizer2sweeps.com has at least partial name server overlap with other domains, such as myexfriendsweddingmovie.com, sidekicksmovie.com, voughtcapitalbank.com and two others.

The name servers pdns71.ultradns.info, pdns71.ultradns.net, pdns71.ultradns.org and two others are commonly seen in use alongside these name servers.

Host names that have two IP addresses:

pdns71.ultradns.biz resolves to 156.154.66.71 and 2610:a1:1015::6b.

pdns71.ultradns.com resolves to 156.154.64.71 and 2001:502:f3ff::6b.

ns16.ultradns2.com resolves to 204.74.104.16 and 2610:a1:3110::53.

pdns71.ultradns.info resolves to 156.154.68.71 and 2610:a1:1016::6b.

pdns71.ultradns.net resolves to 156.154.65.71 and 2610:a1:1014::6b.

pdns71.ultradns.org resolves to 156.154.67.71 and 2001:502:4612::6b.

ns16.ultradns2.org resolves to 204.74.106.16 and 2610:a1:3210::53.

pdns71.ultradns.co.uk resolves to 156.154.69.71 and 2610:a1:1017::6b.