mail.hackcs.org - dns.ninja

mail.hackcs.org

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:b8dc🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:4410🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.68.16Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.184.220🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.68.16, 172.67.184.220
IPv6 hints2606:4700:3031::ac43:b8dc, 2606:4700:3033::6815:4410
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=193, name=cloudflare-ech.com

hackcs.org

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:b8dc🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:4410🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.68.16Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.184.220🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSanastasia.ns.cloudflare.com ⭐
NSrohin.ns.cloudflare.com
MXsmtp.google.com ⭐
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.68.16, 172.67.184.220
IPv6 hints2606:4700:3031::ac43:b8dc, 2606:4700:3033::6815:4410
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=193, name=cloudflare-ech.com
SOAanastasia.ns.cloudflare.comdns@cloudflare.com serial=2410345198

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DNS History

10 records (4 active, 6 former)

20162017201820192020202120222023202420252026A104.21.68.16172.67.184.2202606:4700:3031::ac43:b8dc2606:4700:3033::6815:4410172.64.80.1213.186.33.202606:4700:130:436c:6f75:6466:6c61:72652606:4700:3030::ac43:b8dc2606:4700:3034::6815:4410CNAMEssl0.ovh.net
●A104.21.68.162026-03-04 → 2026-08-03 · 6 obs
○ 2016-04-28 02:21:52
● 2026-03-04 23:29:30
● 2026-03-13 11:55:02
○ 2026-03-20 20:43:54
● 2026-03-26 05:06:34
● 2026-08-03 19:59:42
○A172.64.80.12026-03-20 → 2026-03-20 · 4 obs
○ 2026-03-13 11:55:02
● 2026-03-20 20:43:54
○ 2026-03-26 05:06:34
○ 2026-08-03 19:59:42
●A172.67.184.2202026-03-04 → 2026-08-03 · 6 obs
○ 2016-04-28 02:21:52
● 2026-03-04 23:29:30
● 2026-03-13 11:55:02
○ 2026-03-20 20:43:54
● 2026-03-26 05:06:34
● 2026-08-03 19:59:42
○A213.186.33.202015-07-21 → 2016-04-28 · 4 obs
● 2015-07-21 08:49:32
● 2016-04-28 02:21:52
○ 2026-03-04 23:29:30
○ 2026-08-03 19:59:42
○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-20 → 2026-03-20 · 4 obs
○ 2026-03-13 11:55:02
● 2026-03-20 20:43:54
○ 2026-03-26 05:06:34
○ 2026-08-03 19:59:42
○A2606:4700:3030::ac43:b8dc2026-03-04 → 2026-06-05 · 8 obs
○ 2016-04-28 02:21:52
● 2026-03-04 23:29:30
● 2026-03-13 11:55:02
○ 2026-03-20 20:43:54
● 2026-03-26 05:06:34
● 2026-06-05 00:39:10
○ 2026-06-27 17:47:00
○ 2026-08-03 19:59:42
●A2606:4700:3031::ac43:b8dc2026-06-27 → 2026-08-03 · 3 obs
○ 2026-06-05 00:39:10
● 2026-06-27 17:47:00
● 2026-08-03 19:59:42
●A2606:4700:3033::6815:44102026-06-27 → 2026-08-03 · 3 obs
○ 2026-06-05 00:39:10
● 2026-06-27 17:47:00
● 2026-08-03 19:59:42
○A2606:4700:3034::6815:44102026-03-04 → 2026-06-05 · 8 obs
○ 2016-04-28 02:21:52
● 2026-03-04 23:29:30
● 2026-03-13 11:55:02
○ 2026-03-20 20:43:54
● 2026-03-26 05:06:34
● 2026-06-05 00:39:10
○ 2026-06-27 17:47:00
○ 2026-08-03 19:59:42
○CNAMEssl0.ovh.net2015-07-21 → 2016-04-28 · 4 obs
● 2015-07-21 08:49:32
● 2016-04-28 02:21:52
○ 2026-03-04 23:29:30
○ 2026-08-03 19:59:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
hackcs.organastasia.ns.cloudflare.com, rohin.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.153

NS records: anastasia.ns.cloudflare.com, rohin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hackcs.org (unsigned zone)

⏱️ Timing

Total: 743ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.68.16, 172.67.184.220
AAAA22606:4700:3031::ac43:b8dc, 2606:4700:3033::6815:4410
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.hackcs.org directs to four IP numbers, which are 104.21.68.16, 172.67.184.220, 2606:4700:3031::ac43:b8dc and 2606:4700:3033::6815:4410.

icl-s.com, casino-0809.buzz, montestsante.fr plus two other host names have IP numbers in common with mail.hackcs.org.