nullcircle.com - robtex.com
nullcircle.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:81c4🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:2e3🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.2.227Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.129.196🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | daniella.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26e4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | daniella.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2e4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | daniella.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22e4🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | daniella.ns.cloudflare.com | ||||||
| A | 108.162.194.228🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | daniella.ns.cloudflare.com | ||||||
| A | 162.159.38.228Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | daniella.ns.cloudflare.com | ||||||
| A | 172.64.34.228🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | daniella.ns.cloudflare.com | ||||||
| NS | rick.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b8b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rick.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c18b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | rick.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:218b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | rick.ns.cloudflare.com | ||||||
| A | 108.162.193.139🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rick.ns.cloudflare.com | ||||||
| A | 172.64.33.139🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rick.ns.cloudflare.com | ||||||
| A | 173.245.59.139🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rick.ns.cloudflare.com | ||||||
| MX | route3.mx.cloudflare.net ⭐ | ||||||
| A | 2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| MX | route2.mx.cloudflare.net(35) | ||||||
| A | 2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| MX | route1.mx.cloudflare.net(61) | ||||||
| A | 2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| TXT | v=spf1 include:_spf.mx.cloudflare.net ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.2.227, 172.67.129.196 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:81c4, 2606:4700:3037::6815:2e3 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=50, name=cloudflare-ech.com | ||||||
| SOA | daniella.ns.cloudflare.comdns@cloudflare.com serial=2398331495 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1776988831 | ||||||
Same first word
nullcircle.com |
DNS History
25 records (9 active, 16 former)
●NSdaniella.ns.cloudflare.com2026-02-14 → 2026-04-24 · 3 obs
○ 2017-06-12 16:35:00
● 2026-02-14 18:22:40
● 2026-04-24 00:24:08
● 2026-02-14 18:22:40
● 2026-04-24 00:24:08
○NSns1.mydyndns.org2015-07-14 → 2017-06-12 · 4 obs
● 2015-07-14 22:52:22
● 2017-06-12 16:35:00
○ 2026-02-14 18:22:40
○ 2026-04-24 00:24:08
● 2017-06-12 16:35:00
○ 2026-02-14 18:22:40
○ 2026-04-24 00:24:08
○NSns1169.dns.dyn.com2015-07-14 → 2017-06-12 · 4 obs
● 2015-07-14 22:52:22
● 2017-06-12 16:35:00
○ 2026-02-14 18:22:40
○ 2026-04-24 00:24:08
● 2017-06-12 16:35:00
○ 2026-02-14 18:22:40
○ 2026-04-24 00:24:08
○NSns2140.dns.dyn.com2015-07-14 → 2017-06-12 · 4 obs
● 2015-07-14 22:52:22
● 2017-06-12 16:35:00
○ 2026-02-14 18:22:40
○ 2026-04-24 00:24:08
● 2017-06-12 16:35:00
○ 2026-02-14 18:22:40
○ 2026-04-24 00:24:08
○NSns3179.dns.dyn.com2015-07-14 → 2017-06-12 · 4 obs
● 2015-07-14 22:52:22
● 2017-06-12 16:35:00
○ 2026-02-14 18:22:40
○ 2026-04-24 00:24:08
● 2017-06-12 16:35:00
○ 2026-02-14 18:22:40
○ 2026-04-24 00:24:08
○NSns4197.dns.dyn.com2015-07-14 → 2017-06-12 · 4 obs
● 2015-07-14 22:52:22
● 2017-06-12 16:35:00
○ 2026-02-14 18:22:40
○ 2026-04-24 00:24:08
● 2017-06-12 16:35:00
○ 2026-02-14 18:22:40
○ 2026-04-24 00:24:08
●NSrick.ns.cloudflare.com2026-02-14 → 2026-04-24 · 3 obs
○ 2017-06-12 16:35:00
● 2026-02-14 18:22:40
● 2026-04-24 00:24:08
● 2026-02-14 18:22:40
● 2026-04-24 00:24:08
○MXalt1.aspmx.l.google.com2015-07-14 → 2017-06-12 · 4 obs
● 2015-07-14 22:52:22
● 2017-06-12 16:35:00
○ 2026-02-14 18:22:40
○ 2026-04-24 00:24:08
● 2017-06-12 16:35:00
○ 2026-02-14 18:22:40
○ 2026-04-24 00:24:08
○MXalt2.aspmx.l.google.com2015-07-14 → 2017-06-12 · 4 obs
● 2015-07-14 22:52:22
● 2017-06-12 16:35:00
○ 2026-02-14 18:22:40
○ 2026-04-24 00:24:08
● 2017-06-12 16:35:00
○ 2026-02-14 18:22:40
○ 2026-04-24 00:24:08
○MXaspmx.l.google.com2015-07-14 → 2017-06-12 · 4 obs
● 2015-07-14 22:52:22
● 2017-06-12 16:35:00
○ 2026-02-14 18:22:40
○ 2026-04-24 00:24:08
● 2017-06-12 16:35:00
○ 2026-02-14 18:22:40
○ 2026-04-24 00:24:08
●MXroute1.mx.cloudflare.net2026-02-14 → 2026-04-24 · 3 obs
○ 2017-06-12 16:35:00
● 2026-02-14 18:22:40
● 2026-04-24 00:24:08
● 2026-02-14 18:22:40
● 2026-04-24 00:24:08
●MXroute2.mx.cloudflare.net2026-02-14 → 2026-04-24 · 3 obs
○ 2017-06-12 16:35:00
● 2026-02-14 18:22:40
● 2026-04-24 00:24:08
● 2026-02-14 18:22:40
● 2026-04-24 00:24:08
●MXroute3.mx.cloudflare.net2026-02-14 → 2026-04-24 · 3 obs
○ 2017-06-12 16:35:00
● 2026-02-14 18:22:40
● 2026-04-24 00:24:08
● 2026-02-14 18:22:40
● 2026-04-24 00:24:08
●A104.21.2.2272026-02-14 → 2026-04-24 · 12 obs
○ 2017-06-12 16:35:00
● 2026-02-14 18:22:40
● 2026-02-21 18:30:16
○ 2026-03-05 21:21:44
● 2026-03-17 04:18:58
● 2026-03-22 13:03:24
○ 2026-03-24 11:11:10
● 2026-03-30 13:41:36
● 2026-04-08 20:57:50
○ 2026-04-10 11:25:22
● 2026-04-24 00:24:06
● 2026-04-24 00:24:08
● 2026-02-14 18:22:40
● 2026-02-21 18:30:16
○ 2026-03-05 21:21:44
● 2026-03-17 04:18:58
● 2026-03-22 13:03:24
○ 2026-03-24 11:11:10
● 2026-03-30 13:41:36
● 2026-04-08 20:57:50
○ 2026-04-10 11:25:22
● 2026-04-24 00:24:06
● 2026-04-24 00:24:08
○A107.15.146.2132015-07-14 → 2015-07-14 · 3 obs
● 2015-07-14 22:52:22
○ 2015-11-24 20:16:18
○ 2026-04-24 00:24:08
○ 2015-11-24 20:16:18
○ 2026-04-24 00:24:08
○A107.15.42.2012016-06-24 → 2016-06-24 · 4 obs
○ 2015-11-24 20:16:18
● 2016-06-24 13:58:26
○ 2017-06-12 16:35:00
○ 2026-04-24 00:24:08
● 2016-06-24 13:58:26
○ 2017-06-12 16:35:00
○ 2026-04-24 00:24:08
●A172.67.129.1962026-02-14 → 2026-04-24 · 12 obs
○ 2017-06-12 16:35:00
● 2026-02-14 18:22:40
● 2026-02-21 18:30:16
○ 2026-03-05 21:21:44
● 2026-03-17 04:18:58
● 2026-03-22 13:03:24
○ 2026-03-24 11:11:10
● 2026-03-30 13:41:36
● 2026-04-08 20:57:50
○ 2026-04-10 11:25:22
● 2026-04-24 00:24:06
● 2026-04-24 00:24:08
● 2026-02-14 18:22:40
● 2026-02-21 18:30:16
○ 2026-03-05 21:21:44
● 2026-03-17 04:18:58
● 2026-03-22 13:03:24
○ 2026-03-24 11:11:10
● 2026-03-30 13:41:36
● 2026-04-08 20:57:50
○ 2026-04-10 11:25:22
● 2026-04-24 00:24:06
● 2026-04-24 00:24:08
○A188.114.96.02026-03-05 → 2026-04-10 · 10 obs
○ 2026-02-21 18:30:16
● 2026-03-05 21:21:44
○ 2026-03-17 04:18:58
○ 2026-03-22 13:03:24
● 2026-03-24 11:11:10
○ 2026-03-30 13:41:36
○ 2026-04-08 20:57:50
● 2026-04-10 11:25:22
○ 2026-04-24 00:24:06
○ 2026-04-24 00:24:08
● 2026-03-05 21:21:44
○ 2026-03-17 04:18:58
○ 2026-03-22 13:03:24
● 2026-03-24 11:11:10
○ 2026-03-30 13:41:36
○ 2026-04-08 20:57:50
● 2026-04-10 11:25:22
○ 2026-04-24 00:24:06
○ 2026-04-24 00:24:08
○A188.114.97.02026-03-05 → 2026-04-10 · 10 obs
○ 2026-02-21 18:30:16
● 2026-03-05 21:21:44
○ 2026-03-17 04:18:58
○ 2026-03-22 13:03:24
● 2026-03-24 11:11:10
○ 2026-03-30 13:41:36
○ 2026-04-08 20:57:50
● 2026-04-10 11:25:22
○ 2026-04-24 00:24:06
○ 2026-04-24 00:24:08
● 2026-03-05 21:21:44
○ 2026-03-17 04:18:58
○ 2026-03-22 13:03:24
● 2026-03-24 11:11:10
○ 2026-03-30 13:41:36
○ 2026-04-08 20:57:50
● 2026-04-10 11:25:22
○ 2026-04-24 00:24:06
○ 2026-04-24 00:24:08
●A2606:4700:3031::ac43:81c42026-02-14 → 2026-04-24 · 12 obs
○ 2017-06-12 16:35:00
● 2026-02-14 18:22:40
● 2026-02-21 18:30:16
○ 2026-03-05 21:21:44
● 2026-03-17 04:18:58
● 2026-03-22 13:03:24
○ 2026-03-24 11:11:10
● 2026-03-30 13:41:36
● 2026-04-08 20:57:50
○ 2026-04-10 11:25:22
● 2026-04-24 00:24:06
● 2026-04-24 00:24:08
● 2026-02-14 18:22:40
● 2026-02-21 18:30:16
○ 2026-03-05 21:21:44
● 2026-03-17 04:18:58
● 2026-03-22 13:03:24
○ 2026-03-24 11:11:10
● 2026-03-30 13:41:36
● 2026-04-08 20:57:50
○ 2026-04-10 11:25:22
● 2026-04-24 00:24:06
● 2026-04-24 00:24:08
●A2606:4700:3037::6815:2e32026-02-14 → 2026-04-24 · 12 obs
○ 2017-06-12 16:35:00
● 2026-02-14 18:22:40
● 2026-02-21 18:30:16
○ 2026-03-05 21:21:44
● 2026-03-17 04:18:58
● 2026-03-22 13:03:24
○ 2026-03-24 11:11:10
● 2026-03-30 13:41:36
● 2026-04-08 20:57:50
○ 2026-04-10 11:25:22
● 2026-04-24 00:24:06
● 2026-04-24 00:24:08
● 2026-02-14 18:22:40
● 2026-02-21 18:30:16
○ 2026-03-05 21:21:44
● 2026-03-17 04:18:58
● 2026-03-22 13:03:24
○ 2026-03-24 11:11:10
● 2026-03-30 13:41:36
● 2026-04-08 20:57:50
○ 2026-04-10 11:25:22
● 2026-04-24 00:24:06
● 2026-04-24 00:24:08
○A2a06:98c1:3120::2026-03-05 → 2026-04-10 · 10 obs
○ 2026-02-21 18:30:16
● 2026-03-05 21:21:44
○ 2026-03-17 04:18:58
○ 2026-03-22 13:03:24
● 2026-03-24 11:11:10
○ 2026-03-30 13:41:36
○ 2026-04-08 20:57:50
● 2026-04-10 11:25:22
○ 2026-04-24 00:24:06
○ 2026-04-24 00:24:08
● 2026-03-05 21:21:44
○ 2026-03-17 04:18:58
○ 2026-03-22 13:03:24
● 2026-03-24 11:11:10
○ 2026-03-30 13:41:36
○ 2026-04-08 20:57:50
● 2026-04-10 11:25:22
○ 2026-04-24 00:24:06
○ 2026-04-24 00:24:08
○A2a06:98c1:3121::2026-03-05 → 2026-04-10 · 10 obs
○ 2026-02-21 18:30:16
● 2026-03-05 21:21:44
○ 2026-03-17 04:18:58
○ 2026-03-22 13:03:24
● 2026-03-24 11:11:10
○ 2026-03-30 13:41:36
○ 2026-04-08 20:57:50
● 2026-04-10 11:25:22
○ 2026-04-24 00:24:06
○ 2026-04-24 00:24:08
● 2026-03-05 21:21:44
○ 2026-03-17 04:18:58
○ 2026-03-22 13:03:24
● 2026-03-24 11:11:10
○ 2026-03-30 13:41:36
○ 2026-04-08 20:57:50
● 2026-04-10 11:25:22
○ 2026-04-24 00:24:06
○ 2026-04-24 00:24:08
○A75.177.158.2482015-11-24 → 2015-11-24 · 4 obs
○ 2015-07-14 22:52:22
● 2015-11-24 20:16:18
○ 2016-06-24 13:58:26
○ 2026-04-24 00:24:08
● 2015-11-24 20:16:18
○ 2016-06-24 13:58:26
○ 2026-04-24 00:24:08
○A76.182.47.1012017-06-12 → 2017-06-12 · 4 obs
○ 2016-06-24 13:58:26
● 2017-06-12 16:35:00
○ 2026-02-14 18:22:40
○ 2026-04-24 00:24:08
● 2017-06-12 16:35:00
○ 2026-02-14 18:22:40
○ 2026-04-24 00:24:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| nullcircle.com | rick.ns.cloudflare.com, daniella.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.194.228
NS records: rick.ns.cloudflare.com, daniella.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nullcircle.com (unsigned zone)
⏱️ Timing
Total: 208ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.129.196, 104.21.2.227 |
| AAAA | 2 | 2606:4700:3031::ac43:81c4, 2606:4700:3037::6815:2e3 |
| NS | 2 | daniella.ns.cloudflare.com, rick.ns.cloudflare.com |
| MX | 3 | route3.mx.cloudflare.net (pri: 22), route2.mx.cloudflare.net (pri: 35)... |
| TXT | 1 | v=spf1 include:_spf.mx.cloudflare.net ~a |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | daniella.ns.cloudflare.com dns.cloudflar |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (rick.ns.cloudflare.com, rick.ns.cloudflare.com, rick.ns.cloudflare.com...)
Analysis
IP Addresses
nullcircle.com points to four IP numbers: 2606:4700:3031::ac43:81c4, 2606:4700:3037::6815:2e3, 104.21.2.227 and 172.67.129.196.
Other host names, for instance medipiel.com, etsypia.com, audiovkontakte.ru, www.audiovkontakte.ru and chala.la share IP numbers with nullcircle.com.
Name Servers
nullcircle.com's delegation is to two name servers daniella.ns.cloudflare.com and rick.ns.cloudflare.com.
nullcircle.com shares the same name server configuration as other domains, such as draxilomavera.com, caronidelythas.com, iq-personnel.com, 060300.com and novyrelathion.com.
nullcircle.com at least partially shares its name servers with other domains, for instance happy-com.fr, ffbo.org, c5hub.com, lordfilmv3.cc and newharvestsanjose.com.
These name servers are commonly used with lamar.ns.cloudflare.com, ezra.ns.cloudflare.com and heather.ns.cloudflare.com.
Host names with six IP numbers:
daniella.ns.cloudflare.com points to: 2606:4700:50::a29f:26e4, 2803:f800:50::6ca2:c2e4, 2a06:98c1:50::ac40:22e4, 108.162.194.228, 162.159.38.228 and 172.64.34.228.
rick.ns.cloudflare.com points to: 2606:4700:58::adf5:3b8b, 2803:f800:50::6ca2:c18b, 2a06:98c1:50::ac40:218b, 108.162.193.139, 172.64.33.139 and 173.245.59.139.
Mail Servers
nullcircle.com is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.
nullcircle.com shares some mail servers with other domains, including kansat.com.au, synchsofthq.com, emeegeemee.com, visboo.com and frkl.com.
Host names with six IP numbers:
route1.mx.cloudflare.net has IPs 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.
route2.mx.cloudflare.net has IPs 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.
route3.mx.cloudflare.net has IPs 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.