🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mail.zefah.de`

DNSSEC	⚠️ Not signed
A	151.252.57.153^{🇩🇪 CRONON-AS151.252.48.0/20 Vautron Rechenzentrum AG}
		PTR	`mx1.frankencom.ch`

`zefah.de`

	DNSSEC	⚠️ Not signed
	A	151.252.57.153^{🇩🇪 CRONON-AS151.252.48.0/20 Vautron Rechenzentrum AG}
	NS	`ns1.antagus.de` ⭐
	NS	`ns2.antagus.de`
	MX	`mail.zefah.de` ⭐
	SOA	`ns1.antagus.de`root@ns1.antagus.de serial=1520613967

MX for

zefah.de

Same first word

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DNS History

2 records (1 active, 1 former)

●A151.252.57.1532026-03-06 → 2026-08-16 · 3 obs

○ 2017-03-30 09:09:48
● 2026-03-06 23:45:40
● 2026-08-16 06:52:38

○A154.16.3.722017-03-30 → 2017-03-30 · 3 obs

● 2017-03-30 09:09:48
○ 2026-03-06 23:45:40
○ 2026-08-16 06:52:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
zefah.de	ns2.antagus.de, ns1.antagus.de	4 records

✅ Authoritative Response

Server:195.191.93.10

NS records: ns2.antagus.de, ns1.antagus.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zefah.de (unsigned zone)

⏱️ Timing

Total: 651ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`151.252.57.153`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns2.antagus.de, ns1.antagus.de, ns2.antagus.de...)

Analysis

Mail Server Role

zefah.de uses mail.zefah.de as a mail server.

IP Addresses

mail.zefah.de resolves to one IP address: 151.252.57.153.

forigislim.de, *.here4u.de, alojamientos-zaragoza.es and two other host names share IP numbers with mail.zefah.de.

mail.zefah.de - robtex.com

mail.zefah.de

zefah.de