`mail.physics4u.de`

DNSSEC	⚠️ Not signed
A	91.233.85.210^{🇩🇪 IPB91.233.84.0/22 -1blu-PI}
		PTR	`hostmx1bln2.prossl.de`

`physics4u.de`

	DNSSEC	⚠️ Not signed
	A	91.233.85.214^{🇩🇪 IPB91.233.84.0/22 -1blu-PI}
	NS	`ns1.prodns.de` ⭐
	NS	`ns2.prodns.de`
	NS	`ns3.prodns.de`
	MX	`mail.physics4u.de` ⭐
	TXT	`v=spf1 a mx ip4:91.233.84.0/22 ~all`
	SOA	`ns1.prodns.de`dnsmaster@prodns.de 2025-05-18 #1

MX for

physics4u.de

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DNS History

1 record (1 active, 0 former)

●A91.233.85.2102015-04-29 → 2026-04-15 · 2 obs

● 2015-04-29 08:44:28
● 2026-04-15 15:39:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, z.nic.de, f.nic.de	-
physics4u.de	ns3.prodns.de, ns1.prodns.de, ns2.prodns.de	2 records

✅ Authoritative Response

Server:13.248.213.54

NS records: ns3.prodns.de, ns1.prodns.de, ns2.prodns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for physics4u.de (unsigned zone)

⏱️ Timing

Total: 1217ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.233.85.210`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.prodns.de, ns3.prodns.de)

Analysis

Mail Server Role

mail.physics4u.de is the mail server for physics4u.de.

IP Addresses

mail.physics4u.de resolves to one IP number: 91.233.85.210.

other host names including mail.skirecht.eu, mail.aolclan.de, mail.ruffneck.mobi, mail.nomad-sattelservice.de and mail.maite.de share IP numbers with mail.physics4u.de.

mail.physics4u.de - robtex.com