mailserver.dcsoc.org.uk - robtex.com

mailserver.dcsoc.org.uk

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:3a15🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:c57e🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.58.21Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.197.126🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.58.21, 172.67.197.126
IPv62606:4700:3033::6815:3a15, 2606:4700:3034::ac43:c57e

dcsoc.org.uk

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:3a15🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:c57e🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.58.21Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.197.126🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSclay.ns.cloudflare.com ⭐
NSlola.ns.cloudflare.com
MX_dc-mx.b3a6e0d4e72b.dcsoc.org.uk ⭐
TXTv=spf1 mx a ip4:78.129.130.17 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.58.21, 172.67.197.126
IPv62606:4700:3033::6815:3a15, 2606:4700:3034::ac43:c57e
SOAclay.ns.cloudflare.comdns@cloudflare.com serial=2399240672

Previously MX for

dcsoc.org.uk

Same first word

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DNS History

6 records (4 active, 2 former)

197019751980198519901995200020052010201520202025A104.21.58.21172.67.197.1262606:4700:3033::6815:3a152606:4700:3034::ac43:c57e213.171.216.1213.171.216.114
●A104.21.58.212026-03-31 → 2026-03-31 · 2 obs
○ 2017-07-27 00:16:34
● 2026-03-31 20:57:08
●A172.67.197.1262026-03-31 → 2026-03-31 · 2 obs
○ 2017-07-27 00:16:34
● 2026-03-31 20:57:08
○A213.171.216.11970-01-01 → 1970-01-01 · 3 obs
● 1970-01-01 00:00:00
○ 2017-07-27 00:16:34
○ 2026-03-31 20:57:08
○A213.171.216.1142017-07-27 → 2017-07-27 · 3 obs
○ 1970-01-01 00:00:00
● 2017-07-27 00:16:34
○ 2026-03-31 20:57:08
●A2606:4700:3033::6815:3a152026-03-31 → 2026-03-31 · 2 obs
○ 2017-07-27 00:16:34
● 2026-03-31 20:57:08
●A2606:4700:3034::ac43:c57e2026-03-31 → 2026-03-31 · 2 obs
○ 2017-07-27 00:16:34
● 2026-03-31 20:57:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
uknsd.nic.uk, dns3.nic.uk, dns4.nic.uk, nsa.nic.uk...-
dcsoc.org.uklola.ns.cloudflare.com, clay.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.132

NS records: lola.ns.cloudflare.com, clay.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dcsoc.org.uk (unsigned zone)

⏱️ Timing

Total: 172ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.197.126, 104.21.58.21
AAAA22606:4700:3033::6815:3a15, 2606:4700:3034::ac43:c57e
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mailserver.dcsoc.org.uk maps to four IP numbers: 2606:4700:3033::6815:3a15, 2606:4700:3034::ac43:c57e, 104.21.58.21 and 172.67.197.126.

Other host names, for instance coactur.com, _dc-mx.e1261f53a880.new-york-website-hosting.com, oskarstalbergcitygenerator.com, animalhealth.net.au and cvraman.org share IP numbers with mailserver.dcsoc.org.uk.