`mail.studyworldfairs.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}

`studyworldfairs.org`

	DNSSEC	⚠️ Not signed
	A	185.151.30.133^{🇬🇧 TWENTYI185.151.30.0/24}
	NS	`ns1.stackdns.com` ⭐
	NS	`ns1.tecknaonline.uk`
	NS	`ns2.tecknaonline.uk`
	NS	`ns3.tecknaonline.uk`
	NS	`ns4.tecknaonline.uk`
	MX	`mx.stackmail.com` ⭐
	TXT	`v=spf1 include:spf.stackmail.com a mx -all`
	SOA	`ns1.stackdns.com`hostmaster@stackdns.com serial=1552050165

Previously MX for

studyworldfairs.org

Same first word

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DNS History

2 records (1 active, 1 former)

○A79.170.40.1502015-06-17 → 2016-04-16 · 3 obs

● 2015-06-17 16:14:08
● 2016-04-16 05:26:18
○ 2026-04-13 06:43:48

●CNAMEmail.stackmail.com2026-04-13 → 2026-04-13 · 1 obs

● 2026-04-13 06:43:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
studyworldfairs.org	ns4.tecknaonline.uk, ns3.tecknaonline.uk, ns2.tecknaonline.uk, ns1.tecknaonline.uk	-

✅ Authoritative Response

Server:35.197.225.59

NS records: ns4.tecknaonline.uk, ns3.tecknaonline.uk, ns2.tecknaonline.uk, ns1.tecknaonline.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyworldfairs.org (unsigned zone)

⏱️ Timing

Total: 727ms | Queries: -

📄 Records

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

Analysis

IP Addresses

mail.studyworldfairs.org points to three IP numbers: 185.151.28.68, 185.151.28.84 and 185.151.28.85.

Other host names such as 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 IPs with mail.studyworldfairs.org.

mail.studyworldfairs.org - robtex.com