`mail.thomasclarkson.org`

CNAME	`mail.stackmail.com`
DNSSEC	⚠️ Not signed
A	185.151.28.68^{🇬🇧 TWENTYI185.151.28.0/24}
		PTR	`smtp.stackmail.com`
A	185.151.28.84^{🇬🇧 TWENTYI185.151.28.0/24}
A	185.151.28.85^{🇬🇧 TWENTYI185.151.28.0/24}

`thomasclarkson.org`

	DNSSEC	⚠️ Not signed
	A	2a07:7800::176^{🇬🇧 TWENTYI2a07:7800::/48}
	A	185.151.30.176^{🇬🇧 TWENTYI185.151.30.0/24}
	NS	`ns1.stackdns.com` ⭐
	NS	`ns2.stackdns.com`
	NS	`ns3.stackdns.com`
	NS	`ns4.stackdns.com`
	MX	`mx.stackmail.com` ⭐
	SOA	`ns1.stackdns.com`hostmaster@stackdns.com serial=1629733944

WOT: SAFE (60/100)
WOT: SAFE (62/100)

Previously MX for

thomasclarkson.org

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DNS History

2 records (1 active, 1 former)

○A79.170.40.752015-05-23 → 2016-04-19 · 3 obs

● 2015-05-23 19:45:14
● 2016-04-19 03:50:38
○ 2026-04-27 15:43:28

●CNAMEmail.stackmail.com2026-04-27 → 2026-04-27 · 1 obs

● 2026-04-27 15:43:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
thomasclarkson.org	ns4.stackdns.com, ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com	-

✅ Authoritative Response

Server:35.198.79.191

NS records: ns4.stackdns.com, ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thomasclarkson.org (unsigned zone)

⏱️ Timing

Total: 751ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`mail.stackmail.com`

Analysis

IP Addresses

mail.thomasclarkson.org points to three IPs: 185.151.28.68, 185.151.28.84 and 185.151.28.85.

other host names including smtp.stackmail.com, imap.stackmail.com, 185-151-28-84.ptr4.stackcp.net, mail.stackmail.com and 185-151-28-85.ptr4.stackcp.net share IP numbers with mail.thomasclarkson.org.

mail.thomasclarkson.org - robtex.com