mail.andykoh.com - robtex.com

mail.andykoh.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:d04b🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:1711🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.23.17Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.208.75🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.23.17, 172.67.208.75
IPv62606:4700:3030::ac43:d04b, 2606:4700:3032::6815:1711

andykoh.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:d04b🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:1711🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.23.17Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.208.75🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdaisy.ns.cloudflare.com ⭐
NSpaul.ns.cloudflare.com
MX_dc-mx.9dbce32964cc.andykoh.com ⭐
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.23.17, 172.67.208.75
IPv62606:4700:3030::ac43:d04b, 2606:4700:3032::6815:1711
SOAdaisy.ns.cloudflare.comdns@cloudflare.com serial=2398301842

Previously MX for

andykoh.com

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.23.17172.67.208.752606:4700:3030::ac43:d04b2606:4700:3032::6815:1711173.192.45.185
●A104.21.23.172026-02-21 → 2026-03-24 · 3 obs
○ 2016-02-02 08:40:32
● 2026-02-21 07:54:20
● 2026-03-24 03:53:36
●A172.67.208.752026-02-21 → 2026-03-24 · 3 obs
○ 2016-02-02 08:40:32
● 2026-02-21 07:54:20
● 2026-03-24 03:53:36
○A173.192.45.1852015-07-22 → 2016-02-02 · 4 obs
● 2015-07-22 15:45:00
● 2016-02-02 08:40:32
○ 2026-02-21 07:54:20
○ 2026-03-24 03:53:36
●A2606:4700:3030::ac43:d04b2026-02-21 → 2026-03-24 · 3 obs
○ 2016-02-02 08:40:32
● 2026-02-21 07:54:20
● 2026-03-24 03:53:36
●A2606:4700:3032::6815:17112026-02-21 → 2026-03-24 · 3 obs
○ 2016-02-02 08:40:32
● 2026-02-21 07:54:20
● 2026-03-24 03:53:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
andykoh.compaul.ns.cloudflare.com, daisy.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.135

NS records: paul.ns.cloudflare.com, daisy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for andykoh.com (unsigned zone)

⏱️ Timing

Total: 135ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.208.75, 104.21.23.17
AAAA22606:4700:3030::ac43:d04b, 2606:4700:3032::6815:1711
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (paul.ns.cloudflare.com, paul.ns.cloudflare.com, paul.ns.cloudflare.com...)

Analysis

IP Addresses

Four IP numbers are pointed to by mail.andykoh.com: 2606:4700:3030::ac43:d04b, 2606:4700:3032::6815:1711, 104.21.23.17 and 172.67.208.75.

other host names including techan158.com, (0x68656e746169)th.com, cturs.com, fabuxiaoxi.com and nayobe.world share IP numbers with mail.andykoh.com.