`mail.online-learning.de`

DNSSEC	⚠️ Not signed
A	54.37.94.192^{🇫🇷 OVH54.37.0.0/16}
		PTR	`redirects.nicns.net`

`online-learning.de`

	DNSSEC	⚠️ Not signed
	A	54.37.94.192^{🇫🇷 OVH54.37.0.0/16}
	NS	`ns1.nicns.net` ⭐
	NS	`ns2.nicns.net`
	NS	`ns3.nicns.net`
	MX	`mail.online-learning.de` ⭐
	SOA	`ns1.nicns.net`hostmaster@nicmanager.com serial=1523975829

MX for

online-learning.de

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DNS History

2 records (1 active, 1 former)

○A31.204.119.22017-03-21 → 2017-03-21 · 3 obs

● 2017-03-21 15:44:14
○ 2026-03-22 01:19:56
○ 2026-04-12 13:20:38

●A54.37.94.1922026-03-22 → 2026-04-12 · 3 obs

○ 2017-03-21 15:44:14
● 2026-03-22 01:19:56
● 2026-04-12 13:20:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
online-learning.de	ns2.nicns.net, ns3.nicns.net, ns1.nicns.net	-

✅ Authoritative Response

Server:135.125.208.70

NS records: ns2.nicns.net, ns3.nicns.net, ns1.nicns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for online-learning.de (unsigned zone)

⏱️ Timing

Total: 931ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.37.94.192`

Analysis

Mail Server Role

mail.online-learning.de is the mail server for online-learning.de.

IP Addresses

mail.online-learning.de points to a single IP number: 54.37.94.192.

other host names for instance onpage.mobi, personalwissen.org, mail.metropolen.info, web-studios.de and mail.argentum-publishing.biz share IP numbers with mail.online-learning.de.

mail.online-learning.de - robtex.com