`mail.colothai.com`

DNSSEC	⚠️ Not signed
A	112.121.151.15^{🇹🇭 PROENNET-AS112.121.151.0/24 Proen Corp Public Company Limited 72 CAT Telecom Tower,4th FL , 18th FL Charoen Krung Rd.,Bangrak,}
		PTR	`ns1.360advance.com`

`colothai.com`

	DNSSEC	⚠️ Not signed
	A	112.121.151.15^{🇹🇭 PROENNET-AS112.121.151.0/24 Proen Corp Public Company Limited 72 CAT Telecom Tower,4th FL , 18th FL Charoen Krung Rd.,Bangrak,}
	NS	`ns1.360advance.com` ⭐ ⚠️ Not in parent delegation
	NS	`ns1.colothai.net` ⚠️ Not in zone NS records
	NS	`ns2.360advance.com` ⚠️ Not in parent delegation
	NS	`ns2.colothai.net` ⚠️ Not in zone NS records
	MX	`mail.colothai.com` ⭐
	TXT	`v=spf1 a mx ip4:112.121.151.15 ~all`
	SOA	`ns1.360advance.com`hostmaster@colothai.com 2026-04-11 #0

MX for

colothai.com

Same first word

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DNS History

3 records (1 active, 2 former)

●A112.121.151.152026-02-16 → 2026-08-02 · 3 obs

○ 2021-09-23 16:03:16
● 2026-02-16 13:51:32
● 2026-08-02 12:37:52

○A122.155.168.172015-03-12 → 2016-04-04 · 4 obs

● 2015-03-12 03:18:16
● 2016-04-04 16:26:30
○ 2021-09-23 16:03:16
○ 2026-08-02 12:37:52

○A122.155.174.452021-09-23 → 2021-09-23 · 4 obs

○ 2016-04-04 16:26:30
● 2021-09-23 16:03:16
○ 2026-02-16 13:51:32
○ 2026-08-02 12:37:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
colothai.com	ns1.colothai.net, ns2.colothai.net	-

✅ Authoritative Response

Server:112.121.151.15

NS records: ns1.colothai.net, ns2.colothai.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for colothai.com (unsigned zone)

⏱️ Timing

Total: 1116ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`112.121.151.15`

Analysis

Mail Server Role

Mail for colothai.com is routed through the mail server mail.colothai.com.

IP Addresses

mail.colothai.com has exactly one IP address — 112.121.151.15.

igreenserve.com, mail.achr.net, thaitapiocastarch.org plus two other host names have IP numbers in common with mail.colothai.com.

mail.colothai.com - robtex.com