`mail.open-source-elearning.de`

DNSSEC	⚠️ Not signed
A	91.233.87.22^{🇩🇪 IPB91.233.84.0/22 -1blu-PI}
		PTR	`mx2bln1.prossl.de`

`open-source-elearning.de`

	DNSSEC	⚠️ Not signed
	A	91.233.85.20^{🇩🇪 IPB91.233.84.0/22 -1blu-PI}
	NS	`ns1.prodns.de` ⭐
	NS	`ns2.prodns.de`
	NS	`ns3.prodns.de`
	MX	`mail.open-source-elearning.de` ⭐
	TXT	`v=spf1 a mx ip4:91.233.84.0/22 ~all`
	SOA	`ns1.prodns.de`dnsmaster@prodns.de 2021-01-28 #1

Same first word

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Similar names

mail.hl.cn

mail.nhs.uk

mail.hotmail

almi.com.ua

mail.gov.om

mila.nl

mail.canon

lima.ch

mail.net.hk

lima.rocks

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aiml.com

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liam.sh

DNS History

1 record (1 active, 0 former)

●A91.233.87.222015-06-12 → 2026-04-27 · 2 obs

● 2015-06-12 17:55:30
● 2026-04-27 02:03:06

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:136.243.102.23

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for open-source-elearning.de (unsigned zone)

⏱️ Timing

Total: 982ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.233.87.22`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

mail.open-source-elearning.de points to IP number: 91.233.87.22.

Other host names such as mail.auktionen.com, mail.baer-cargolift.com, mail.omento.de, mail.bammer.eu and mail.eunein.ch share IPs with mail.open-source-elearning.de.

mail.open-source-elearning.de - robtex.com