mail.tchukuk.org - robtex.com

mail.tchukuk.org

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:ad93🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:1ec7🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.30.199Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.173.147🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.30.199, 172.67.173.147
IPv6 hints2606:4700:3032::ac43:ad93, 2606:4700:3035::6815:1ec7
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=158, name=cloudflare-ech.com

tchukuk.org

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:ad93🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:1ec7🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.30.199Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.173.147🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdoug.ns.cloudflare.com ⭐
NSsky.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.30.199, 172.67.173.147
IPv6 hints2606:4700:3032::ac43:ad93, 2606:4700:3035::6815:1ec7
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=158, name=cloudflare-ech.com
SOAdoug.ns.cloudflare.comdns@cloudflare.com serial=2400800120
⚠️ On DNS blocklist: tif

Previously MX for

tchukuk.org

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.30.199172.67.173.1472606:4700:3032::ac43:ad932606:4700:3035::6815:1ec7173.254.28.117
●A104.21.30.1992026-05-11 → 2026-05-11 · 2 obs
○ 2016-06-29 04:27:04
● 2026-05-11 06:38:30
●A172.67.173.1472026-05-11 → 2026-05-11 · 2 obs
○ 2016-06-29 04:27:04
● 2026-05-11 06:38:30
○A173.254.28.1172015-07-21 → 2016-06-29 · 3 obs
● 2015-07-21 06:17:30
● 2016-06-29 04:27:04
○ 2026-05-11 06:38:30
●A2606:4700:3032::ac43:ad932026-05-11 → 2026-05-11 · 2 obs
○ 2016-06-29 04:27:04
● 2026-05-11 06:38:30
●A2606:4700:3035::6815:1ec72026-05-11 → 2026-05-11 · 2 obs
○ 2016-06-29 04:27:04
● 2026-05-11 06:38:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org-
tchukuk.orgdoug.ns.cloudflare.com, sky.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.2

NS records: doug.ns.cloudflare.com, sky.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tchukuk.org (unsigned zone)

⏱️ Timing

Total: 394ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.173.147, 104.21.30.199
AAAA22606:4700:3035::6815:1ec7, 2606:4700:3032::ac43:ad93
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.tchukuk.org maps to four IP numbers: 2606:4700:3032::ac43:ad93, 2606:4700:3035::6815:1ec7, 104.21.30.199 and 172.67.173.147.

Other host names, for instance hardwaremold.com, www.master-rallye.com, clipart.info, mindchanger.org and www.foxer.co.il share IP numbers with mail.tchukuk.org.