mail.rucms.org - robtex.com

mail.rucms.org

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:d1e4🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:5b2b🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.91.43Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.209.228🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.91.43, 172.67.209.228
IPv6 hints2606:4700:3032::ac43:d1e4, 2606:4700:3037::6815:5b2b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=83, name=cloudflare-ech.com

rucms.org

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:d1e4🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:5b2b🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.91.43Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.209.228🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScory.ns.cloudflare.com ⭐
NSdelilah.ns.cloudflare.com
TXTgoogle-site-verification=eB5dP6XSuyE4ORaE5sTVwa63TEeQv057-JFWTuzNAVU
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.91.43, 172.67.209.228
IPv6 hints2606:4700:3032::ac43:d1e4, 2606:4700:3037::6815:5b2b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=83, name=cloudflare-ech.com
SOAcory.ns.cloudflare.comdns@cloudflare.com serial=2399807064

Previously MX for

rucms.org

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.91.43172.67.209.2282606:4700:3032::ac43:d1e42606:4700:3037::6815:5b2b5.45.126.8
●A104.21.91.432026-04-12 → 2026-04-12 · 2 obs
○ 2016-04-18 17:16:54
● 2026-04-12 14:22:26
●A172.67.209.2282026-04-12 → 2026-04-12 · 2 obs
○ 2016-04-18 17:16:54
● 2026-04-12 14:22:26
●A2606:4700:3032::ac43:d1e42026-04-12 → 2026-04-12 · 2 obs
○ 2016-04-18 17:16:54
● 2026-04-12 14:22:26
●A2606:4700:3037::6815:5b2b2026-04-12 → 2026-04-12 · 2 obs
○ 2016-04-18 17:16:54
● 2026-04-12 14:22:26
○A5.45.126.82015-06-11 → 2016-04-18 · 3 obs
● 2015-06-11 10:35:54
● 2016-04-18 17:16:54
○ 2026-04-12 14:22:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
rucms.orgcory.ns.cloudflare.com, delilah.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.93

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rucms.org (unsigned zone)

⏱️ Timing

Total: 195ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.91.43, 172.67.209.228
AAAA22606:4700:3032::ac43:d1e4, 2606:4700:3037::6815:5b2b
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.rucms.org points to four IP numbers: 2606:4700:3032::ac43:d1e4, 2606:4700:3037::6815:5b2b, 104.21.91.43 and 172.67.209.228.

Other host names, for instance bestroofcleaner.com, keypartners.biz, stellar360code.sbs, fideworldchampionship.com and portal-megaeth.com share IP numbers with mail.rucms.org.