mailserver.perkin.co - robtex.com

mailserver.perkin.co

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:b8a🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:a624🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.11.138Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.166.36🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.11.138, 172.67.166.36
IPv6 hints2606:4700:3034::6815:b8a, 2606:4700:3034::ac43:a624
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=218, name=cloudflare-ech.com

perkin.co

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:b8a🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:a624🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.11.138Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.166.36🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSchristina.ns.cloudflare.com ⭐
NStodd.ns.cloudflare.com
MXmailserver.livemail.co.uk ⭐
TXTv=spf1 mx a include:_spf.livemail.co.uk ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.11.138, 172.67.166.36
IPv6 hints2606:4700:3034::6815:b8a, 2606:4700:3034::ac43:a624
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=167, name=cloudflare-ech.com
SOAchristina.ns.cloudflare.comdns@cloudflare.com serial=2411074259

Previously MX for

perkin.co

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.11.138172.67.166.362606:4700:3034::6815:b8a2606:4700:3034::ac43:a624213.171.216.114
●A104.21.11.1382026-07-12 → 2026-08-01 · 3 obs
○ 2016-06-28 07:50:50
● 2026-07-12 08:55:36
● 2026-08-01 21:02:54
●A172.67.166.362026-07-12 → 2026-08-01 · 3 obs
○ 2016-06-28 07:50:50
● 2026-07-12 08:55:36
● 2026-08-01 21:02:54
○A213.171.216.1142015-08-06 → 2016-06-28 · 4 obs
● 2015-08-06 08:37:30
● 2016-06-28 07:50:50
○ 2026-07-12 08:55:36
○ 2026-08-01 21:02:54
●A2606:4700:3034::6815:b8a2026-07-12 → 2026-08-01 · 3 obs
○ 2016-06-28 07:50:50
● 2026-07-12 08:55:36
● 2026-08-01 21:02:54
●A2606:4700:3034::ac43:a6242026-07-12 → 2026-08-01 · 3 obs
○ 2016-06-28 07:50:50
● 2026-07-12 08:55:36
● 2026-08-01 21:02:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coa.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co-
perkin.cochristina.ns.cloudflare.com, todd.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.146

NS records: christina.ns.cloudflare.com, todd.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for perkin.co (unsigned zone)

⏱️ Timing

Total: 212ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.166.36, 104.21.11.138
AAAA22606:4700:3034::6815:b8a, 2606:4700:3034::ac43:a624
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mailserver.perkin.co points to the four IP addresses 104.21.11.138, 172.67.166.36, 2606:4700:3034::6815:b8a and 2606:4700:3034::ac43:a624.

Additional host names — seanssheds.com, aine.sjhub.info, indexwin.lol and two others — share IP numbers with mailserver.perkin.co.