mail.cambridgegcsecomputing.org - robtex.com

mail.cambridgegcsecomputing.org

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:5dec🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:d88b🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.93.236Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.216.139🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.93.236, 172.67.216.139
IPv6 hints2606:4700:3030::6815:5dec, 2606:4700:3036::ac43:d88b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=225, name=cloudflare-ech.com

cambridgegcsecomputing.org

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:5dec🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:d88b🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.93.236Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.216.139🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScory.ns.cloudflare.com ⭐
NStori.ns.cloudflare.com
MXmail.cambridgegcsecomputing.org ⭐
MXwebmail.cambridgegcsecomputing.org(20)
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.93.236, 172.67.216.139
IPv6 hints2606:4700:3030::6815:5dec, 2606:4700:3036::ac43:d88b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=225, name=cloudflare-ech.com
SOAcory.ns.cloudflare.comdns@cloudflare.com serial=2410929380
WOT: UNKNOWN (62/100)

MX for

cambridgegcsecomputing.org

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.93.236172.67.216.1392606:4700:3030::6815:5dec2606:4700:3036::ac43:d88b78.137.113.63
●A104.21.93.2362026-08-04 → 2026-08-12 · 3 obs
○ 2016-06-17 17:07:02
● 2026-08-04 15:24:18
● 2026-08-12 22:19:48
●A172.67.216.1392026-08-04 → 2026-08-12 · 3 obs
○ 2016-06-17 17:07:02
● 2026-08-04 15:24:18
● 2026-08-12 22:19:48
●A2606:4700:3030::6815:5dec2026-08-04 → 2026-08-12 · 3 obs
○ 2016-06-17 17:07:02
● 2026-08-04 15:24:18
● 2026-08-12 22:19:48
●A2606:4700:3036::ac43:d88b2026-08-04 → 2026-08-12 · 3 obs
○ 2016-06-17 17:07:02
● 2026-08-04 15:24:18
● 2026-08-12 22:19:48
○A78.137.113.632015-07-22 → 2016-06-17 · 4 obs
● 2015-07-22 16:41:08
● 2016-06-17 17:07:02
○ 2026-08-04 15:24:18
○ 2026-08-12 22:19:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
cambridgegcsecomputing.orgtori.ns.cloudflare.com, cory.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.93

NS records: tori.ns.cloudflare.com, cory.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cambridgegcsecomputing.org (unsigned zone)

⏱️ Timing

Total: 245ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.93.236, 172.67.216.139
AAAA22606:4700:3036::ac43:d88b, 2606:4700:3030::6815:5dec
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

Mail Server Role

mail.cambridgegcsecomputing.org serves as a mail server for cambridgegcsecomputing.org.

webmail.cambridgegcsecomputing.org and mail.cambridgegcsecomputing.org are commonly paired as mail servers.

IP Addresses

mail.cambridgegcsecomputing.org points to the four IP addresses 104.21.93.236, 172.67.216.139, 2606:4700:3030::6815:5dec and 2606:4700:3036::ac43:d88b.

Additional host names — brumm.pro, ns1.qik.in, rec2.24av.net and two others — share IP numbers with mail.cambridgegcsecomputing.org.