mailserver.odrt.org - robtex.com

mailserver.odrt.org

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:9b17🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:28ac🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.40.172Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.155.23🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.40.172, 172.67.155.23
IPv6 hints2606:4700:3030::ac43:9b17, 2606:4700:3031::6815:28ac
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=193, name=cloudflare-ech.com

odrt.org

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:9b17🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:28ac🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.40.172Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.155.23🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdahlia.ns.cloudflare.com ⭐
NSsullivan.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.40.172, 172.67.155.23
IPv6 hints2606:4700:3030::ac43:9b17, 2606:4700:3031::6815:28ac
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=193, name=cloudflare-ech.com
SOAdahlia.ns.cloudflare.comdns@cloudflare.com serial=2399434444

Same first word

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DNS History

7 records (4 active, 3 former)

20162017201820192020202120222023202420252026A104.21.40.172172.67.155.232606:4700:3030::ac43:9b172606:4700:3031::6815:28ac188.114.96.0188.114.97.0213.171.216.114
●A104.21.40.1722026-03-29 → 2026-05-11 · 3 obs
○ 2026-03-16 13:45:06
● 2026-03-29 14:44:30
● 2026-05-11 15:48:52
●A172.67.155.232026-03-29 → 2026-05-11 · 3 obs
○ 2026-03-16 13:45:06
● 2026-03-29 14:44:30
● 2026-05-11 15:48:52
○A188.114.96.02026-03-16 → 2026-03-16 · 4 obs
○ 2016-09-25 16:11:18
● 2026-03-16 13:45:06
○ 2026-03-29 14:44:30
○ 2026-05-11 15:48:52
○A188.114.97.02026-03-16 → 2026-03-16 · 4 obs
○ 2016-09-25 16:11:18
● 2026-03-16 13:45:06
○ 2026-03-29 14:44:30
○ 2026-05-11 15:48:52
○A213.171.216.1142015-05-29 → 2016-09-25 · 4 obs
● 2015-05-29 22:21:52
● 2016-09-25 16:11:18
○ 2026-03-16 13:45:06
○ 2026-05-11 15:48:52
●A2606:4700:3030::ac43:9b172026-03-16 → 2026-05-11 · 3 obs
○ 2016-09-25 16:11:18
● 2026-03-16 13:45:06
● 2026-05-11 15:48:52
●A2606:4700:3031::6815:28ac2026-03-16 → 2026-05-11 · 3 obs
○ 2016-09-25 16:11:18
● 2026-03-16 13:45:06
● 2026-05-11 15:48:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org-
odrt.orgsullivan.ns.cloudflare.com, dahlia.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.89

NS records: sullivan.ns.cloudflare.com, dahlia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for odrt.org (unsigned zone)

⏱️ Timing

Total: 1116ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.40.172, 172.67.155.23
AAAA22606:4700:3030::ac43:9b17, 2606:4700:3031::6815:28ac
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mailserver.odrt.org refers to four IP numbers: 2606:4700:3030::ac43:9b17, 2606:4700:3031::6815:28ac, 104.21.40.172 and 172.67.155.23.

Other host names, for instance www.cerrotorre.pl, www.theatreworldinternetmagazine.com, blaremedia.net, tekki.jp and www.volveracasa.org share IP numbers with mailserver.odrt.org.