webmail.cambridgegcsecomputing.org - robtex.com

webmail.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=13, 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=13, 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

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026A104.21.93.236172.67.216.1392606:4700:3030::6815:5dec2606:4700:3036::ac43:d88b45.145.103.3378.137.113.63
●A104.21.93.2362026-07-07 → 2026-08-13 · 3 obs
○ 2026-04-28 06:01:40
● 2026-07-07 21:18:06
● 2026-08-13 23:21:52
●A172.67.216.1392026-07-07 → 2026-08-13 · 3 obs
○ 2026-04-28 06:01:40
● 2026-07-07 21:18:06
● 2026-08-13 23:21:52
●A2606:4700:3030::6815:5dec2026-07-07 → 2026-08-13 · 3 obs
○ 2026-04-28 06:01:40
● 2026-07-07 21:18:06
● 2026-08-13 23:21:52
●A2606:4700:3036::ac43:d88b2026-07-07 → 2026-08-13 · 3 obs
○ 2026-04-28 06:01:40
● 2026-07-07 21:18:06
● 2026-08-13 23:21:52
○A45.145.103.332026-02-28 → 2026-04-28 · 5 obs
○ 2016-05-02 22:31:36
● 2026-02-28 23:24:52
● 2026-04-28 06:01:40
○ 2026-07-07 21:18:06
○ 2026-08-13 23:21:52
○A78.137.113.632015-07-21 → 2016-05-02 · 4 obs
● 2015-07-21 18:55:12
● 2016-05-02 22:31:36
○ 2026-02-28 23:24:52
○ 2026-08-13 23:21:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
cambridgegcsecomputing.orgcory.ns.cloudflare.com, tori.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.93

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cambridgegcsecomputing.org (unsigned zone)

⏱️ Timing

Total: 563ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.216.139, 104.21.93.236
AAAA22606:4700:3030::6815:5dec, 2606:4700:3036::ac43:d88b
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

Mail Server Role

webmail.cambridgegcsecomputing.org is a mail server for cambridgegcsecomputing.org.

mail.cambridgegcsecomputing.org is a mail server commonly deployed alongside webmail.cambridgegcsecomputing.org.

IP Addresses

webmail.cambridgegcsecomputing.org has four IP addresses: 104.21.93.236, 172.67.216.139, 2606:4700:3030::6815:5dec and 2606:4700:3036::ac43:d88b.

Among the host names that share IP numbers with webmail.cambridgegcsecomputing.org are canadian-medshop-247.com, christinahutchins.com, m.gvas.shop and two others.