mailserver.joinedup.org - robtex.com

mailserver.joinedup.org

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:99a4🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:5a3e🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.90.62Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.153.164🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.90.62, 172.67.153.164
IPv6 hints2606:4700:3030::ac43:99a4, 2606:4700:3031::6815:5a3e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=42, name=cloudflare-ech.com

joinedup.org

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:99a4🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:5a3e🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.90.62Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.153.164🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalice.ns.cloudflare.com ⭐
NSisaac.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.90.62, 172.67.153.164
IPv6 hints2606:4700:3030::ac43:99a4, 2606:4700:3031::6815:5a3e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=42, name=cloudflare-ech.com
SOAalice.ns.cloudflare.comdns@cloudflare.com serial=2397875584

Previously MX for

joinedup.org

Same first word

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servermail.cz
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servermail.net
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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.90.62172.67.153.1642606:4700:3030::ac43:99a42606:4700:3031::6815:5a3e213.171.216.114
●A104.21.90.622026-04-02 → 2026-04-15 · 3 obs
○ 2016-09-17 02:02:42
● 2026-04-02 16:21:46
● 2026-04-15 00:12:36
●A172.67.153.1642026-04-02 → 2026-04-15 · 3 obs
○ 2016-09-17 02:02:42
● 2026-04-02 16:21:46
● 2026-04-15 00:12:36
○A213.171.216.1142015-05-19 → 2016-09-17 · 4 obs
● 2015-05-19 07:37:50
● 2016-09-17 02:02:42
○ 2026-04-02 16:21:46
○ 2026-04-15 00:12:36
●A2606:4700:3030::ac43:99a42026-04-02 → 2026-04-15 · 3 obs
○ 2016-09-17 02:02:42
● 2026-04-02 16:21:46
● 2026-04-15 00:12:36
●A2606:4700:3031::6815:5a3e2026-04-02 → 2026-04-15 · 3 obs
○ 2016-09-17 02:02:42
● 2026-04-02 16:21:46
● 2026-04-15 00:12:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org-
joinedup.orgisaac.ns.cloudflare.com, alice.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.177

NS records: isaac.ns.cloudflare.com, alice.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for joinedup.org (unsigned zone)

⏱️ Timing

Total: 417ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.153.164, 104.21.90.62
AAAA22606:4700:3030::ac43:99a4, 2606:4700:3031::6815:5a3e
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mailserver.joinedup.org points to four IP numbers: 2606:4700:3030::ac43:99a4, 2606:4700:3031::6815:5a3e, 104.21.90.62 and 172.67.153.164.

Other host names, for instance www.glxacqtlhomgu.online, jnqdsm.com, elderlysenior.com, mail.hotel-lange.de and pafifakfakkab.org share IP numbers with mailserver.joinedup.org.