`mail.studyblue.eu`

DNSSEC	⚠️ Not signed
A	91.250.116.139^{🇫🇷 GD-EMEA-DC-SXB191.250.112.0/21}
		PTR	`lvps91-250-116-139.dedicated.hosteurope.de`

`studyblue.eu`

	DNSSEC	⚠️ Not signed
	A	91.250.116.139^{🇫🇷 GD-EMEA-DC-SXB191.250.112.0/21}
	NS	`ns1.dodns.net` ⭐
	NS	`ns1a.dodns.net`
	NS	`ns2a.dodns.net`
	MX	`mail.studyblue.eu` ⭐
	SOA	`ns1.dodns.net`jkvisions@de.studyblue.eu serial=4

MX for

studyblue.eu

Same first word

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DNS History

2 records (1 active, 1 former)

○A83.169.4.362015-08-04 → 2016-06-20 · 4 obs

● 2015-08-04 05:31:12
● 2016-06-20 06:18:42
○ 2026-03-15 03:50:14
○ 2026-04-13 02:28:06

●A91.250.116.1392026-03-15 → 2026-04-13 · 3 obs

○ 2016-06-20 06:18:42
● 2026-03-15 03:50:14
● 2026-04-13 02:28:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
eu	w.dns.eu, x.dns.eu, y.dns.eu, be.dns.eu...	-
studyblue.eu	ns1a.dodns.net, ns2a.dodns.net	-

✅ Authoritative Response

Server:185.132.35.254

NS records: ns1a.dodns.net, ns2a.dodns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyblue.eu (unsigned zone)

⏱️ Timing

Total: 438ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.250.116.139`

Analysis

Mail Server Role

mail.studyblue.eu is the mail server for studyblue.eu.

IP Addresses

mail.studyblue.eu maps to IP address 91.250.116.139.

Other host names, for instance ns1.social-studying.eu, kriegerkuehn.net, socialstudying.eu, mail.gat2002.de and ns1.socialstudying.eu share IP numbers with mail.studyblue.eu.

mail.studyblue.eu - robtex.com