538.co.uk - robtex.com

538.co.uk

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:dfa8🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:2693🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.38.147Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.223.168🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSagustin.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c5a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRagustin.ns.cloudflare.com
A2803:f800:50::6ca2:c35a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRagustin.ns.cloudflare.com
A2a06:98c1:50::ac40:235a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRagustin.ns.cloudflare.com
A108.162.195.90🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRagustin.ns.cloudflare.com
A162.159.44.90Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRagustin.ns.cloudflare.com
A172.64.35.90🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRagustin.ns.cloudflare.com
NSsarah.ns.cloudflare.com
A2606:4700:50::a29f:26da🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsarah.ns.cloudflare.com
A2803:f800:50::6ca2:c2da🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsarah.ns.cloudflare.com
A2a06:98c1:50::ac40:22da🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsarah.ns.cloudflare.com
A108.162.194.218🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsarah.ns.cloudflare.com
A162.159.38.218Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsarah.ns.cloudflare.com
A172.64.34.218🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsarah.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.38.147, 172.67.223.168
IPv6 hints2606:4700:3030::ac43:dfa8, 2606:4700:3031::6815:2693
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=43, name=cloudflare-ech.com
SOAagustin.ns.cloudflare.comdns@cloudflare.com serial=2398627580

co.uk

DNSSEC⚠️ Not signed
NSdns1.nic.uk ⭐ ⚠️ Not in parent delegation
NSdns2.nic.uk ⚠️ Not in parent delegation
NSdns3.nic.uk ⚠️ Not in parent delegation
NSdns4.nic.uk ⚠️ Not in parent delegation
NSnsa.nic.uk ⚠️ Not in parent delegation
NSnsb.nic.uk ⚠️ Not in parent delegation
NSnsc.nic.uk ⚠️ Not in parent delegation
NSnsd.nic.uk ⚠️ Not in parent delegation
SOAdns1.nic.ukhostmaster@nominet.org.uk serial=1777139159
rank #170856 globally
rank #14110 in the tld
WOT: SAFE (74/100)

Same first word

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538.us
538.es
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538.com.au
538.se
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538.eu
538.pl
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538.jp
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538.cn
538.fr
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538.at
538.in
538.cm
538.ru
538.tv
538.ag

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DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSagustin.ns.cloudflare.comsarah.ns.cloudflare.coma.giraffe.co.ukb.giraffe.co.ukgiraffe.co.ukhws.thecyber.netjoe.thecyber.netA104.21.38.147172.67.223.1682606:4700:3030::ac43:dfa82606:4700:3031::6815:2693213.171.212.24487.106.142.81
○NSa.giraffe.co.uk2015-07-22 → 2019-02-26 · 4 obs
● 2015-07-22 01:30:18
● 2019-02-26 06:53:44
○ 2026-03-27 13:48:16
○ 2026-04-25 18:07:36
●NSagustin.ns.cloudflare.com2026-03-27 → 2026-04-25 · 3 obs
○ 2019-02-26 06:53:44
● 2026-03-27 13:48:16
● 2026-04-25 18:07:36
○NSb.giraffe.co.uk2015-07-22 → 2019-02-26 · 4 obs
● 2015-07-22 01:30:18
● 2019-02-26 06:53:44
○ 2026-03-27 13:48:16
○ 2026-04-25 18:07:36
○NSgiraffe.co.uk2015-07-22 → 2019-02-26 · 4 obs
● 2015-07-22 01:30:18
● 2019-02-26 06:53:44
○ 2026-03-27 13:48:16
○ 2026-04-25 18:07:36
○NShws.thecyber.net2026-03-27 → 2026-04-25 · 2 obs
○ 2026-03-27 13:48:16
○ 2026-04-25 18:07:36
○NSjoe.thecyber.net2026-03-27 → 2026-04-25 · 2 obs
○ 2026-03-27 13:48:16
○ 2026-04-25 18:07:36
●NSsarah.ns.cloudflare.com2026-03-27 → 2026-04-25 · 3 obs
○ 2019-02-26 06:53:44
● 2026-03-27 13:48:16
● 2026-04-25 18:07:36
●A104.21.38.1472026-03-27 → 2026-04-25 · 3 obs
○ 2019-02-26 06:53:44
● 2026-03-27 13:48:16
● 2026-04-25 18:07:36
●A172.67.223.1682026-03-27 → 2026-04-25 · 3 obs
○ 2019-02-26 06:53:44
● 2026-03-27 13:48:16
● 2026-04-25 18:07:36
○A213.171.212.2442026-03-27 → 2026-04-25 · 2 obs
○ 2026-03-27 13:48:16
○ 2026-04-25 18:07:36
●A2606:4700:3030::ac43:dfa82026-03-27 → 2026-04-25 · 3 obs
○ 2019-02-26 06:53:44
● 2026-03-27 13:48:16
● 2026-04-25 18:07:36
●A2606:4700:3031::6815:26932026-03-27 → 2026-04-25 · 3 obs
○ 2019-02-26 06:53:44
● 2026-03-27 13:48:16
● 2026-04-25 18:07:36
○A87.106.142.812015-07-22 → 2019-02-26 · 4 obs
● 2015-07-22 01:30:18
● 2019-02-26 06:53:44
○ 2026-03-27 13:48:16
○ 2026-04-25 18:07:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ukdns1.nic.uk, nsc.nic.uk, nsa.nic.uk, nsd.nic.uk...-
538.co.uksarah.ns.cloudflare.com, agustin.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.90

NS records: sarah.ns.cloudflare.com, agustin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 538.co.uk (unsigned zone)

⏱️ Timing

Total: 366ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.38.147, 172.67.223.168
AAAA22606:4700:3031::6815:2693, 2606:4700:3030::ac43:dfa8
NS2agustin.ns.cloudflare.com, sarah.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1agustin.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

538.co.uk points to four IP numbers: 2606:4700:3030::ac43:dfa8, 2606:4700:3031::6815:2693, 104.21.38.147 and 172.67.223.168.

Other host names, for instance divas.joburg, a1cowboycatering.com, xlx98.com, bowlverify.com and go88vn.com.co share IP numbers with 538.co.uk.

Name Servers

538.co.uk is delegated to two name servers: agustin.ns.cloudflare.com and sarah.ns.cloudflare.com.

538.co.uk uses the same name server setup as other domains, for instance 720.co.uk, gui.co.uk, joseline.co.uk, c-n.co.uk and cnk.co.uk.

538.co.uk shares name servers with other domains at least partially, for instance contrainorg.com, csmen168.cc, heat-up.net, lundstrem-jazz.ru and carbonsmart.co.uk.

these name servers are commonly used together with izabella.ns.cloudflare.com and kipp.ns.cloudflare.com.

Host names with six IP numbers: agustin.ns.cloudflare.com points to 2606:4700:58::a29f:2c5a, 2803:f800:50::6ca2:c35a, 2a06:98c1:50::ac40:235a, 108.162.195.90, 162.159.44.90 and 172.64.35.90; sarah.ns.cloudflare.com points to 2606:4700:50::a29f:26da, 2803:f800:50::6ca2:c2da, 2a06:98c1:50::ac40:22da, 108.162.194.218, 162.159.38.218 and 172.64.34.218.