`mail.thisisabook.com`

DNSSEC	⚠️ Not signed
A	147.50.228.21^{🇹🇭 CSLOX-IDC-AS-AP147.50.228.0/24 CS Loxinfo Public Company Limited 90 CW Tower A 17-20th floor Ratchadapisek Rd Huai Kwang}
		PTR	`thsv87.hostatom.com`

`thisisabook.com`

	DNSSEC	⚠️ Not signed
	A	147.50.228.21^{🇹🇭 CSLOX-IDC-AS-AP147.50.228.0/24 CS Loxinfo Public Company Limited 90 CW Tower A 17-20th floor Ratchadapisek Rd Huai Kwang}
	NS	`ns2.thisisabook.com` ⭐ ⚠️ Not in parent delegation
	NS	`ns1.thisisabook.com` ⚠️ Not in parent delegation
	NS	`th173.hostatom.com` ⚠️ Not in zone NS records
	NS	`th174.hostatom.com` ⚠️ Not in zone NS records
	MX	`mail.thisisabook.com` ⭐
	TXT	`v=spf1 +a +mx +a:thsv87.hostatom.com -all`
	SOA	`ns2.thisisabook.com`postmaster@thisisabook.com 2024-08-19 #5

WOT: SAFE (60/100)

MX for

thisisabook.com

Same first word

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DNS History

1 record (1 active, 0 former)

●A147.50.228.212026-02-16 → 2026-04-25 · 2 obs

● 2026-02-16 09:19:14
● 2026-04-25 22:14:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net...	-
thisisabook.com	th173.hostatom.com, th174.hostatom.com	2 records

✅ Authoritative Response

Server:66.70.141.11

NS records: th173.hostatom.com, th174.hostatom.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thisisabook.com (unsigned zone)

⏱️ Timing

Total: 1458ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`147.50.228.21`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (th173.hostatom.com, th174.hostatom.com)

Analysis

Mail Server Role

The mail server for thisisabook.com is mail.thisisabook.com.

IP Addresses

mail.thisisabook.com points to a single IP number: 147.50.228.21.

Other host names, for instance nakhornphan.com, ns1.software.in.th, ns2.specialfood.co.th, mail.hdroot.com and ns2.akbdecor.co.th share IP numbers with mail.thisisabook.com.

mail.thisisabook.com - robtex.com