`mail.blue-computer.de`

DNSSEC	⚠️ Not signed
A	178.254.4.101^{🇩🇪 EVANZOAS178.254.0.0/19 DE-EVANZO-MK}
		PTR	`ms-10.1blu.de`

`blue-computer.de`

	DNSSEC	⚠️ Not signed
	A	178.254.10.204^{🇩🇪 EVANZOAS178.254.0.0/19 DE-EVANZO-MK}
	NS	`ns01.1blu.de` ⭐
	NS	`ns02.1blu.de`
	MX	`mail.blue-computer.de` ⭐
	TXT	`v=spf1 mx include:_spf.1blu.de ~all`
	SOA	`ns01.1blu.de`hostmaster@1blu.de 2026-01-02 #1

MX for

blue-computer.de

Same first word

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DNS History

2 records (1 active, 1 former)

●A178.254.4.1012026-03-26 → 2026-04-14 · 3 obs

○ 2019-02-17 23:53:26
● 2026-03-26 23:51:08
● 2026-04-14 23:14:14

○A188.68.47.1712019-02-17 → 2019-02-17 · 3 obs

● 2019-02-17 23:53:26
○ 2026-03-26 23:51:08
○ 2026-04-14 23:14:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	z.nic.de, a.nic.de, f.nic.de	-
blue-computer.de	ns01.1blu.de, ns02.1blu.de	-

✅ Authoritative Response

Server:178.254.5.130

NS records: ns01.1blu.de, ns02.1blu.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blue-computer.de (unsigned zone)

⏱️ Timing

Total: 1312ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`178.254.4.101`

Analysis

Mail Server Role

mail.blue-computer.de is the mail server for blue-computer.de.

IP Addresses

mail.blue-computer.de resolves to one IP number: 178.254.4.101.

other host names including mail.kinu.eu, mail.ceedv.de, mail.kaesemeister.net, mail.schalkefan.de and mail.gogaga.de share IP numbers with mail.blue-computer.de.

mail.blue-computer.de - robtex.com