mail01.ffrn.de - robtex.com

mail01.ffrn.de

DNSSEC⚠️ Not signed
A2a01:4f8:c17:6b7f::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRmail01.ffrn.de
A49.12.39.108🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC

ffrn.de

DNSSEC⚠️ Not signed
A2a01:4f8:222:f3ff::30:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
A88.198.106.115🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4
NSns1.ffrn.de ⭐
NSns2.ffrn.de
NSns3.ffrn.de
MXmail01.ffrn.de ⭐
TXTv=spf1 mx -all
SOAns1.ffrn.dezonemaster@ffrn.de 2026-04-03 #1

PTR for

108.39.12.49.in-addr.arpa
1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.f.7.b.6.7.1.c.0.8.f.4.0.1.0.a.2.ip6.arpa

MX for

ffbw.de
ffrn.net
ffrn.de

Same first word

mail01.ws
mail01.gov.bs
mail01.com
mail01.ddns.net
mail01.gov.ps
mail01.kinghost.net
mail01.ru
mail01.de
mail01.gov.cy

Similar names

mail10.ws
10mail.org
01mail.ru
10mail.pl
mail10.de
mail10.biz
10mali.com
10mail.ru
10mail.eu
10mila.se
01mail.org
mail10.nhs.uk
10mail.xyz
10mail.net
01mail.de
lima10.de
10mail.info
10mail.com
01mail.it
10mail.cn
01mail.net
mail10.net
10mila.com
mail10.ru
mail10.com

DNS History

2 records (2 active, 0 former)

A2a01:4f8:c17:6b7f::149.12.39.108
●A2a01:4f8:c17:6b7f::12026-03-30 → 2026-05-06 · 2 obs
● 2026-03-30 22:38:46
● 2026-05-06 03:57:10
●A49.12.39.1082026-03-30 → 2026-05-06 · 2 obs
● 2026-03-30 22:38:46
● 2026-05-06 03:57:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
def.nic.de, z.nic.de, a.nic.de-
ffrn.dens1.ffrn.de, ns3.ffrn.de, ns2.ffrn.de6 records

✅ Authoritative Response

Server:94.130.243.234

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ffrn.de (unsigned zone)

⏱️ Timing

Total: 564ms | Queries: -

📄 Records

TypeCountSample Data
A149.12.39.108
AAAA12a01:4f8:c17:6b7f::1

📌 Glue Records Collected

Total: 6

In-bailiwick: 6 (ns3.ffrn.de, ns2.ffrn.de, ns1.ffrn.de...)

Analysis

Mail Server Role

mail01.ffrn.de acts as mail server for ffbw.de, ffrn.net and ffrn.de.

IP Addresses

mail01.ffrn.de points to two IP numbers: 2a01:4f8:c17:6b7f::1 and 49.12.39.108.