mail.421fk.com - robtex.com

mail.421fk.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:86f2🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:19f9🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.25.249Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.134.242🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.25.249, 172.67.134.242
IPv62606:4700:3033::ac43:86f2, 2606:4700:3035::6815:19f9

421fk.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:86f2🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:19f9🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.25.249Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.134.242🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSadrian.ns.cloudflare.com ⭐
NSsullivan.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.25.249, 172.67.134.242
IPv62606:4700:3033::ac43:86f2, 2606:4700:3035::6815:19f9
SOAadrian.ns.cloudflare.comdns@cloudflare.com serial=2400007366
WOT: SAFE (61/100)

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.25.249172.67.134.2422606:4700:3033::ac43:86f22606:4700:3035::6815:19f9183.56.148.29
●A104.21.25.2492026-02-19 → 2026-03-27 · 3 obs
○ 2016-09-08 10:40:28
● 2026-02-19 07:10:44
● 2026-03-27 10:38:58
●A172.67.134.2422026-02-19 → 2026-03-27 · 3 obs
○ 2016-09-08 10:40:28
● 2026-02-19 07:10:44
● 2026-03-27 10:38:58
○A183.56.148.292015-05-30 → 2016-09-08 · 4 obs
● 2015-05-30 23:52:36
● 2016-09-08 10:40:28
○ 2026-02-19 07:10:44
○ 2026-03-27 10:38:58
●A2606:4700:3033::ac43:86f22026-02-19 → 2026-03-27 · 3 obs
○ 2016-09-08 10:40:28
● 2026-02-19 07:10:44
● 2026-03-27 10:38:58
●A2606:4700:3035::6815:19f92026-02-19 → 2026-03-27 · 3 obs
○ 2016-09-08 10:40:28
● 2026-02-19 07:10:44
● 2026-03-27 10:38:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, f.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net...-
421fk.comadrian.ns.cloudflare.com, sullivan.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.57

NS records: adrian.ns.cloudflare.com, sullivan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 421fk.com (unsigned zone)

⏱️ Timing

Total: 78ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.134.242, 104.21.25.249
AAAA22606:4700:3035::6815:19f9, 2606:4700:3033::ac43:86f2
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.421fk.com points to four IP numbers: 2606:4700:3033::ac43:86f2, 2606:4700:3035::6815:19f9, 104.21.25.249 and 172.67.134.242.

Other host names, for instance goldenboys.repage3.de, ssrmovies.forex, v3.cakhiatv.is, johnmarshallsquaredance.com and panelparity.com share IP numbers with mail.421fk.com.