mailserver.28uk.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

mailserver.28uk.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:15cb🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:c851🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.21.203Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.200.81🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.21.203, 172.67.200.81
IPv6 hints2606:4700:3032::6815:15cb, 2606:4700:3032::ac43:c851
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=33, name=cloudflare-ech.com

28uk.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:15cb🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:c851🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.21.203Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.200.81🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSreza.ns.cloudflare.com ⭐
NSruben.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.21.203, 172.67.200.81
IPv6 hints2606:4700:3032::6815:15cb, 2606:4700:3032::ac43:c851
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=33, name=cloudflare-ech.com
SOAreza.ns.cloudflare.comdns@cloudflare.com serial=2411037057

Previously MX for

28uk.com

Same first word

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mailserver.management
mailserver.com.es
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mailserver.hk.com

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.21.203172.67.200.812606:4700:3032::6815:15cb2606:4700:3032::ac43:c851213.171.216.114
●A104.21.21.2032026-08-17 → 2026-08-17 · 2 obs
○ 2015-12-03 03:22:04
● 2026-08-17 13:12:54
●A172.67.200.812026-08-17 → 2026-08-17 · 2 obs
○ 2015-12-03 03:22:04
● 2026-08-17 13:12:54
○A213.171.216.1142015-08-03 → 2015-08-03 · 3 obs
● 2015-08-03 05:14:38
○ 2015-12-03 03:22:04
○ 2026-08-17 13:12:54
●A2606:4700:3032::6815:15cb2026-08-17 → 2026-08-17 · 2 obs
○ 2015-12-03 03:22:04
● 2026-08-17 13:12:54
●A2606:4700:3032::ac43:c8512026-08-17 → 2026-08-17 · 2 obs
○ 2015-12-03 03:22:04
● 2026-08-17 13:12:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
28uk.comreza.ns.cloudflare.com, ruben.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.71

NS records: reza.ns.cloudflare.com, ruben.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 28uk.com (unsigned zone)

⏱️ Timing

Total: 129ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.21.203, 172.67.200.81
AAAA22606:4700:3032::ac43:c851, 2606:4700:3032::6815:15cb
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (reza.ns.cloudflare.com, reza.ns.cloudflare.com, reza.ns.cloudflare.com...)

Analysis

IP Addresses

mailserver.28uk.com directs to four IP numbers, which are 104.21.21.203, 172.67.200.81, 2606:4700:3032::6815:15cb and 2606:4700:3032::ac43:c851.

Among the host names that share IP numbers with mailserver.28uk.com are sjlkj.com, ndngs.cn, throwingsheep.com and two others.