`mail.studiumbook.com`

DNSSEC	⚠️ Not signed
A	185.104.45.94^{🇺🇦 Ukraine-AS185.104.44.0/22}
		PTR	`proxy-5.default-host.net`

`studiumbook.com`

	DNSSEC	⚠️ Not signed
	A	2a06:6440:0:2d5e::1^{🇺🇦 Ukraine-AS2a06:6440::/29}
	A	185.104.45.94^{🇺🇦 Ukraine-AS185.104.44.0/22}
	NS	`a.ns.gold` ⭐
	NS	`b.ns.express`
	NS	`c.ns.works`
	MX	`mx.services` ⭐
	TXT	`v=spf1 include:_spf.ukraine.com.ua ~all`
	SOA	`a.ns.gold`hostmaster@adm.tools 2025-03-30 #0

Previously MX for

studiumbook.com

Same first word

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DNS History

2 records (1 active, 1 former)

○A148.72.194.2132018-05-16 → 2018-05-16 · 3 obs

● 2018-05-16 07:11:30
○ 2026-03-07 08:30:44
○ 2026-03-28 05:03:24

●A185.104.45.942026-03-07 → 2026-03-28 · 3 obs

○ 2018-05-16 07:11:30
● 2026-03-07 08:30:44
● 2026-03-28 05:03:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
studiumbook.com	a.ns.gold, b.ns.express, c.ns.works	-

✅ Authoritative Response

Server:167.235.84.59

NS records: a.ns.gold, b.ns.express, c.ns.works

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studiumbook.com (unsigned zone)

⏱️ Timing

Total: 941ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.104.45.94`

Analysis

IP Addresses

mail.studiumbook.com points to a single IP address: 185.104.45.94.

Other host names such as mshelen.com, europark.com.ua, promsnabkomplekt.com.ua, plittorgservis.com.ua and ostroh-cerkva.rv.ua share IP numbers with mail.studiumbook.com.

mail.studiumbook.com - robtex.com