mailserver.columnview.co.uk - robtex.com

mailserver.columnview.co.uk

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:b5c2🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:23f8🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.35.248Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.181.194🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.35.248, 172.67.181.194
IPv6 hints2606:4700:3031::ac43:b5c2, 2606:4700:3036::6815:23f8
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=101, name=cloudflare-ech.com

columnview.co.uk

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:b5c2🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:23f8🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.35.248Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.181.194🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalberto.ns.cloudflare.com ⭐
NSdana.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.35.248, 172.67.181.194
IPv6 hints2606:4700:3031::ac43:b5c2, 2606:4700:3036::6815:23f8
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=101, name=cloudflare-ech.com
SOAalberto.ns.cloudflare.comdns@cloudflare.com serial=2401738944
rank #186624 globally
rank #16615 in the tld
📈 Tranco rank: #990,702

Previously MX for

columnview.co.uk

Same first word

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DNS History

6 records (4 active, 2 former)

201820192020202120222023202420252026MXmail.columnview.co.ukA104.21.35.248172.67.181.1942606:4700:3031::ac43:b5c22606:4700:3036::6815:23f879.170.44.117
○MXmail.columnview.co.uk2017-03-09 → 2017-03-09 · 3 obs
● 2017-03-09 06:34:26
○ 2026-03-06 08:17:58
○ 2026-05-12 14:17:02
●A104.21.35.2482026-04-27 → 2026-05-12 · 3 obs
○ 2026-03-06 08:17:58
● 2026-04-27 14:10:10
● 2026-05-12 14:17:02
●A172.67.181.1942026-04-27 → 2026-05-12 · 3 obs
○ 2026-03-06 08:17:58
● 2026-04-27 14:10:10
● 2026-05-12 14:17:02
●A2606:4700:3031::ac43:b5c22026-04-27 → 2026-05-12 · 3 obs
○ 2026-03-06 08:17:58
● 2026-04-27 14:10:10
● 2026-05-12 14:17:02
●A2606:4700:3036::6815:23f82026-04-27 → 2026-05-12 · 3 obs
○ 2026-03-06 08:17:58
● 2026-04-27 14:10:10
● 2026-05-12 14:17:02
○A79.170.44.1172017-03-09 → 2017-03-09 · 3 obs
● 2017-03-09 06:34:26
○ 2026-03-06 08:17:58
○ 2026-05-12 14:17:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ukdns4.nic.uk, nsd.nic.uk, dns2.nic.uk, nsc.nic.uk...-
columnview.co.ukalberto.ns.cloudflare.com, dana.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.18

NS records: alberto.ns.cloudflare.com, dana.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1593ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.35.248, 172.67.181.194
AAAA22606:4700:3031::ac43:b5c2, 2606:4700:3036::6815:23f8
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mailserver.columnview.co.uk resolves to four IPs: 2606:4700:3031::ac43:b5c2, 2606:4700:3036::6815:23f8, 104.21.35.248 and 172.67.181.194.

Other host names, for instance hypercard(0x736578)press.com, www.188ly.cn, calgarynews.net, www.calgarynews.net and sfpidn.cc share IP numbers with mailserver.columnview.co.uk.