mail.37kj.com - robtex.com

mail.37kj.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:2470🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:c0d1🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.36.112Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.192.209🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.36.112, 172.67.192.209
IPv6 hints2606:4700:3032::6815:2470, 2606:4700:3037::ac43:c0d1
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=23, name=cloudflare-ech.com

37kj.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:2470🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:c0d1🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.36.112Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.192.209🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkip.ns.cloudflare.com ⭐
NSnoor.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.36.112, 172.67.192.209
IPv6 hints2606:4700:3032::6815:2470, 2606:4700:3037::ac43:c0d1
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=23, name=cloudflare-ech.com
SOAkip.ns.cloudflare.comdns@cloudflare.com serial=2410800635

Previously MX for

37kj.com

Same first word

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DNS History

13 records (4 active, 9 former)

20162017201820192020202120222023202420252026MXmail.skrimple.comA104.21.36.112172.67.192.2092606:4700:3032::6815:24702606:4700:3037::ac43:c0d1188.114.96.0188.114.97.0211.155.225.72606:4700:3034::6815:24702606:4700:3035::ac43:c0d12a06:98c1:3120::2a06:98c1:3121::65.19.157.199
○MXmail.skrimple.com2016-05-02 → 2026-02-16 · 4 obs
● 2016-05-02 08:35:50
● 2026-02-16 12:45:54
○ 2026-03-03 06:02:22
○ 2026-08-03 05:21:30
●A104.21.36.1122026-02-16 → 2026-08-03 · 9 obs
○ 2016-05-02 08:35:50
● 2026-02-16 01:09:34
○ 2026-02-16 12:45:54
○ 2026-03-03 06:02:22
● 2026-05-14 22:00:18
● 2026-06-15 23:24:34
○ 2026-07-02 13:55:54
● 2026-07-23 18:21:36
● 2026-08-03 05:21:30
●A172.67.192.2092026-02-16 → 2026-08-03 · 9 obs
○ 2016-05-02 08:35:50
● 2026-02-16 01:09:34
○ 2026-02-16 12:45:54
○ 2026-03-03 06:02:22
● 2026-05-14 22:00:18
● 2026-06-15 23:24:34
○ 2026-07-02 13:55:54
● 2026-07-23 18:21:36
● 2026-08-03 05:21:30
○A188.114.96.02026-02-16 → 2026-07-02 · 8 obs
○ 2026-02-16 01:09:34
● 2026-02-16 12:45:54
● 2026-03-03 06:02:22
○ 2026-05-14 22:00:18
○ 2026-06-15 23:24:34
● 2026-07-02 13:55:54
○ 2026-07-23 18:21:36
○ 2026-08-03 05:21:30
○A188.114.97.02026-02-16 → 2026-07-02 · 8 obs
○ 2026-02-16 01:09:34
● 2026-02-16 12:45:54
● 2026-03-03 06:02:22
○ 2026-05-14 22:00:18
○ 2026-06-15 23:24:34
● 2026-07-02 13:55:54
○ 2026-07-23 18:21:36
○ 2026-08-03 05:21:30
○A211.155.225.72015-07-07 → 2016-02-06 · 4 obs
● 2015-07-07 09:00:18
● 2016-02-06 06:51:42
○ 2016-05-02 08:35:50
○ 2026-08-03 05:21:30
●A2606:4700:3032::6815:24702026-07-23 → 2026-08-03 · 3 obs
○ 2026-07-02 13:55:54
● 2026-07-23 18:21:36
● 2026-08-03 05:21:30
○A2606:4700:3034::6815:24702026-02-16 → 2026-06-15 · 8 obs
○ 2016-05-02 08:35:50
● 2026-02-16 01:09:34
○ 2026-02-16 12:45:54
○ 2026-03-03 06:02:22
● 2026-05-14 22:00:18
● 2026-06-15 23:24:34
○ 2026-07-02 13:55:54
○ 2026-08-03 05:21:30
○A2606:4700:3035::ac43:c0d12026-02-16 → 2026-06-15 · 8 obs
○ 2016-05-02 08:35:50
● 2026-02-16 01:09:34
○ 2026-02-16 12:45:54
○ 2026-03-03 06:02:22
● 2026-05-14 22:00:18
● 2026-06-15 23:24:34
○ 2026-07-02 13:55:54
○ 2026-08-03 05:21:30
●A2606:4700:3037::ac43:c0d12026-07-23 → 2026-08-03 · 3 obs
○ 2026-07-02 13:55:54
● 2026-07-23 18:21:36
● 2026-08-03 05:21:30
○A2a06:98c1:3120::2026-02-16 → 2026-07-02 · 8 obs
○ 2026-02-16 01:09:34
● 2026-02-16 12:45:54
● 2026-03-03 06:02:22
○ 2026-05-14 22:00:18
○ 2026-06-15 23:24:34
● 2026-07-02 13:55:54
○ 2026-07-23 18:21:36
○ 2026-08-03 05:21:30
○A2a06:98c1:3121::2026-02-16 → 2026-07-02 · 8 obs
○ 2026-02-16 01:09:34
● 2026-02-16 12:45:54
● 2026-03-03 06:02:22
○ 2026-05-14 22:00:18
○ 2026-06-15 23:24:34
● 2026-07-02 13:55:54
○ 2026-07-23 18:21:36
○ 2026-08-03 05:21:30
○A65.19.157.1992016-05-02 → 2016-05-02 · 4 obs
○ 2016-02-06 06:51:42
● 2016-05-02 08:35:50
○ 2026-02-16 01:09:34
○ 2026-08-03 05:21:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
37kj.comkip.ns.cloudflare.com, noor.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.74

NS records: kip.ns.cloudflare.com, noor.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 37kj.com (unsigned zone)

⏱️ Timing

Total: 101ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.192.209, 104.21.36.112
AAAA22606:4700:3032::6815:2470, 2606:4700:3037::ac43:c0d1
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.37kj.com points to the four IP addresses 104.21.36.112, 172.67.192.209, 2606:4700:3032::6815:2470 and 2606:4700:3037::ac43:c0d1.

Additional host names — www.awf.com.au, sekret-mastera.ru, scoottrain.com and two others — share IP numbers with mail.37kj.com.