mail.123computing.de - dns.ninja

`mail.123computing.de`

DNSSEC	⚠️ Not signed
A	5.45.106.40^{🇩🇪 netcup-AS5.45.104.0/22}
		PTR	`server1.123computing.de`

`123computing.de`

	DNSSEC	⚠️ Not signed
	A	5.45.106.40^{🇩🇪 netcup-AS5.45.104.0/22}
	NS	`ns1.first-ns.de` ⭐
	NS	`robotns2.second-ns.de`
	NS	`robotns3.second-ns.com`
	MX	`mail.123computing.de` ⭐
	SOA	`ns1.first-ns.de`dns@hetzner.com 2026-07-02 #2

MX for

123computing.de

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DNS History

2 records (1 active, 1 former)

○A188.94.254.642015-05-23 → 2016-12-28 · 4 obs

● 2015-05-23 03:39:44
● 2016-12-28 05:04:32
○ 2026-03-15 02:46:08
○ 2026-08-08 18:22:20

●A5.45.106.402026-03-15 → 2026-08-08 · 3 obs

○ 2016-12-28 05:04:32
● 2026-03-15 02:46:08
● 2026-08-08 18:22:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
123computing.de	robotns2.second-ns.de, robotns3.second-ns.com, ns1.first-ns.de	-

✅ Authoritative Response

Server:213.239.242.238

NS records: robotns2.second-ns.de, robotns3.second-ns.com, ns1.first-ns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 123computing.de (unsigned zone)

⏱️ Timing

Total: 1035ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`5.45.106.40`

Analysis

Mail Server Role

mail.123computing.de serves as a mail server for 123computing.de.

IP Addresses

mail.123computing.de points to a single IP number: 5.45.106.40.

Additional host names — www.christian-lossie.de, mail.szelat.de, iot-test.de and two others — share IP numbers with mail.123computing.de.