mail.biwer.lu - robtex.com

mail.biwer.lu

DNSSEC⚠️ Not signed
A185.173.181.36🇧🇪 MIXVOIP185.173.180.0/22
PTRmail.biwer.lu

biwer.lu

DNSSEC⚠️ Not signed
A78.40.9.86🇫🇷 O2SWITCH78.40.8.0/22 o2switch Internet Routing
NSns1.pt.lu ⭐
NSns2.pt.lu
NSns3.pt.lu ⚠️ Not in parent delegation
MXbiwer-lu.mail.protection.outlook.com ⭐
TXTv=spf1 ip4:109.234.166.86 include:spf.protection.outlook.com -all
SOAns1.pt.luhostmaster@ns1.pt.lu 2026-03-05 #0
WOT: SAFE (61/100)

PTR for

80.242.135.213.in-addr.arpa

Previously MX for

biwer.lu

Same first word

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A185.173.181.36213.135.242.80
●A185.173.181.362026-07-11 → 2026-07-11 · 3 obs
○ 2016-04-24 01:03:06
● 2026-07-11 14:55:40
● 2026-07-11 14:55:42
○A213.135.242.802015-05-28 → 2016-04-24 · 4 obs
● 2015-05-28 02:11:10
● 2016-04-24 01:03:06
○ 2026-07-11 14:55:40
○ 2026-07-11 14:55:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
lu1.ns.lu, g.dns.lu, i.dns.lu, j.dns.lu...14 records
biwer.luns1.pt.lu, ns2.pt.lu4 records

✅ Authoritative Response

Server:194.154.192.1

NS records: ns1.pt.lu, ns2.pt.lu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for biwer.lu (unsigned zone)

⏱️ Timing

Total: 417ms | Queries: -

📄 Records

TypeCountSample Data
A1185.173.181.36

📌 Glue Records Collected

Total: 18

In-bailiwick: 14 (1.ns.lu, 1.ns.lu, g.dns.lu...)

Out-of-bailiwick: 4 (ns1.pt.lu, ns2.pt.lu, ns1.pt.lu...)

Analysis

IP Addresses

mail.biwer.lu points to a single IP number: 185.173.181.36.