🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mail.java-dev.de`

DNSSEC	⚠️ Not signed
A	78.47.158.237^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
		PTR	`mail.java-dev.de`
TXT	`v=spf1 a -all`

`java-dev.de`

	DNSSEC	⚠️ Not signed
	A	78.47.158.237^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
	NS	`hydrogen.ns.hetzner.com` ⭐
	NS	`helium.ns.hetzner.de`
	NS	`oxygen.ns.hetzner.com`
	MX	`mail.java-dev.de` ⭐
	TXT	`v=spf1 mx -all`
	SOA	`hydrogen.ns.hetzner.com`dns@hetzner.com 2026-05-21 #0

PTR for

237.158.47.78.in-addr.arpa

MX for

java-dev.de

Same first word

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Previous names

Next names

DNS History

1 record (1 active, 0 former)

●A78.47.158.2372026-08-29 → 2026-08-30 · 2 obs

● 2026-08-29 22:30:38
● 2026-08-30 02:20:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	z.nic.de, a.nic.de, f.nic.de	-
java-dev.de	oxygen.ns.hetzner.com, helium.ns.hetzner.de, hydrogen.ns.hetzner.com	-

✅ Authoritative Response

Server:213.133.100.98

NS records: oxygen.ns.hetzner.com, helium.ns.hetzner.de, hydrogen.ns.hetzner.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for java-dev.de (unsigned zone)

⏱️ Timing

Total: 1350ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`78.47.158.237`
TXT	1	`v=spf1 a -all`

Analysis

Mail Server Role

The mail server mail.java-dev.de processes email for java-dev.de.

IP Addresses

mail.java-dev.de resolves to just one IP address, 78.47.158.237.

Other hosts including fatfingerjoe.de, java-dev.de and sv-bollersen.de share IP addresses with mail.java-dev.de.

mail.java-dev.de - robtex.com

mail.java-dev.de

java-dev.de