`mail.firstclass.in.th`

DNSSEC	⚠️ Not signed
A	118.27.146.18^{🇯🇵 GMO-ZCOM-AS-TH118.27.144.0/21}
		PTR	`ps14.zwhhosting.com`

`firstclass.in.th`

	DNSSEC	⚠️ Not signed
	A	118.27.146.18^{🇯🇵 GMO-ZCOM-AS-TH118.27.144.0/21}
	NS	`ns-a1.cloud.z.com` ⭐
	NS	`ns-a3.cloud.z.com`
	NS	`ns-a4.cloud.z.com`
	MX	`mail.firstclass.in.th` ⭐
	TXT	`v=spf1 +a +mx +ip4:118.27.146.18 ~all`
	SOA	`ns-a1.cloud.z.com`postmaster@example.org serial=1778288000

MX for

firstclass.in.th

Same first word

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mail.ap.gov.br

mail.dp.ua

mail.myjino.ru

mail.space

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mail.photography

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mail.online

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mail.ls

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mail.rv.ua

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DNS History

1 record (1 active, 0 former)

●A118.27.146.182026-05-10 → 2026-05-10 · 2 obs

● 2026-05-10 06:25:52
● 2026-05-10 20:31:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
th	c.thains.co.th, b.thains.co.th, a.thains.co.th, nn1.thains.co.th...	-
firstclass.in.th	ns-a1.cloud.z.com, ns-a3.cloud.z.com, ns-a4.cloud.z.com	-

✅ Authoritative Response

Server:150.95.23.148

NS records: ns-a1.cloud.z.com, ns-a3.cloud.z.com, ns-a4.cloud.z.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstclass.in.th (unsigned zone)

⏱️ Timing

Total: 1118ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`118.27.146.18`

Analysis

Mail Server Role

mail.firstclass.in.th serves as the mail server for firstclass.in.th.

IP Addresses

mail.firstclass.in.th points to IP number 118.27.146.18.

For instance, other host names ssps.ac.th, medicalab.co.th, ps14.zwhhosting.com, _dc-mx.fe69d9723af9.myahub.com and letsc.net share IP numbers with mail.firstclass.in.th.

mail.firstclass.in.th - robtex.com