mail.lehrnet.com - robtex.com

mail.lehrnet.com

DNSSEC⚠️ Not signed
A85.13.157.184🇩🇪 NMM-AS85.13.157.0/24 Neue Medien Muennich
PTRdd23920.kasserver.com

lehrnet.com

DNSSEC⚠️ Not signed
A85.13.157.184🇩🇪 NMM-AS85.13.157.0/24 Neue Medien Muennich
NSns3.kasserver.com ⭐
NSns4.kasserver.com
MXlehrnet.kasserver.com ⭐
TXTv=spf1 a mx include:spf.kasserver.com ~all
SOAns3.kasserver.comhostmaster@kasserver.com serial=2602241033

Previously MX for

lehrnet.com

Same first word

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DNS History

3 records (1 active, 2 former)

2008201020122014201620182020202220242026A85.13.157.18485.13.136.21985.13.150.132
○A85.13.136.2192007-11-30 → 2007-11-30 · 3 obs
● 2007-11-30 19:59:36
○ 2015-08-15 12:54:06
○ 2026-04-25 13:14:06
○A85.13.150.1322015-08-15 → 2016-07-05 · 4 obs
○ 2007-11-30 19:59:36
● 2015-08-15 12:54:06
● 2016-07-05 22:14:58
○ 2026-04-25 13:14:06
●A85.13.157.1842026-04-25 → 2026-04-25 · 2 obs
○ 2016-07-05 22:14:58
● 2026-04-25 13:14:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net...-
lehrnet.comns3.kasserver.com, ns4.kasserver.com2 records

✅ Authoritative Response

Server:85.13.140.2

NS records: ns3.kasserver.com, ns4.kasserver.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lehrnet.com (unsigned zone)

⏱️ Timing

Total: 335ms | Queries: -

📄 Records

TypeCountSample Data
A185.13.157.184

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.kasserver.com, ns4.kasserver.com)

Analysis

IP Addresses

mail.lehrnet.com resolves to one IP number: 85.13.157.184.

Other host names, for instance w011feb1.kasserver.com, sprachinstitut-berlin.com, dachrinnen-kaufen.de, lehrnet.com and w0159e2c.kasserver.com share IP numbers with mail.lehrnet.com.