ffrn.de - dns.ninja

ffrn.de

DNSSEC⚠️ Not signed
A2a01:4f8:222:f3ff::30:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRtools-elsenz.ffrn.de
A88.198.106.115🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4
NSns1.ffrn.de ⭐
A2a01:4f8:222:f3ff::30:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRtools-elsenz.ffrn.de
A88.198.106.115🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4
PTRtools-elsenz.ffrn.de
NSns2.ffrn.de
A2a01:4f8:140:4093:0:5eff:fe82:f3ea🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRtools-itter.ffrn.de
A94.130.243.234🇩🇪 Hetzner94.130.0.0/16 HETZNER-DC
PTRtools-itter.ffrn.de
NSns3.ffrn.de
A2a03:4000:60:11f::1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
PTRstats.ffrn.de
A89.58.15.197🇩🇪 netcup-AS89.58.12.0/22
PTRstats.ffrn.de
MXmail01.ffrn.de ⭐
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
PTRmail01.ffrn.de
TXTv=spf1 mx -all
SOAns1.ffrn.dezonemaster@ffrn.de 2026-05-28 #0

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1782910749
📈 Tranco rank: #684,927

Subdomains

mail01.ffrn.de
gw03.ffrn.de
mail.ffrn.de
ns1.ffrn.de
weschnitz.ffrn.de
tools-itter.ffrn.de
forum.ffrn.de
map1.ffrn.de
ns2.ffrn.de
stats1.ffrn.de
www.ffrn.de
itter.ffrn.de
gw05.ffrn.de
gw08.ffrn.de
stats.ffrn.de
gw06.ffrn.de
ns3.ffrn.de

Same first word

ffrn.net
ffrn.de

Similar names

rfnf.com
frnf.com
ffnr.com
nfrf.com
frnf.org
ffnr.de
rnff.org
fnfr.org
rffn.com
nfrf.nl
nrff.com
frfn.com
rffn.de
fnfr.net
nffr.com
nrff.no

DNS History

15 records (6 active, 9 former)

20162017201820192020202120222023202420252026NSns1.ffrn.dens2.ffrn.dens3.ffrn.dens1.root-space.dens2.root-space.deMXmail01.ffrn.demail.ffrn.demx1.root-space.demx2.ffrn.deA2a01:4f8:222:f3ff::30:188.198.106.115138.201.30.254188.40.255.2402a01:4f8:100:5740::32a01:4f8:171:3242::72
●NSns1.ffrn.de2021-05-26 → 2026-07-01 · 3 obs
○ 2016-12-19 16:29:58
● 2021-05-26 07:16:06
● 2026-07-01 13:29:34
○NSns1.root-space.de2015-08-17 → 2016-12-19 · 4 obs
● 2015-08-17 19:34:30
● 2016-12-19 16:29:58
○ 2021-05-26 07:16:06
○ 2026-07-01 13:29:34
●NSns2.ffrn.de2021-05-26 → 2026-07-01 · 3 obs
○ 2016-12-19 16:29:58
● 2021-05-26 07:16:06
● 2026-07-01 13:29:34
○NSns2.root-space.de2015-08-17 → 2016-12-19 · 4 obs
● 2015-08-17 19:34:30
● 2016-12-19 16:29:58
○ 2021-05-26 07:16:06
○ 2026-07-01 13:29:34
●NSns3.ffrn.de2021-05-26 → 2026-07-01 · 3 obs
○ 2016-12-19 16:29:58
● 2021-05-26 07:16:06
● 2026-07-01 13:29:34
○MXmail.ffrn.de2021-05-26 → 2026-03-22 · 5 obs
○ 2016-12-19 16:29:58
● 2021-05-26 07:16:06
● 2026-03-22 09:44:48
○ 2026-03-30 22:38:46
○ 2026-07-01 13:29:34
●MXmail01.ffrn.de2026-03-30 → 2026-07-01 · 3 obs
○ 2026-03-22 09:44:48
● 2026-03-30 22:38:46
● 2026-07-01 13:29:34
○MXmx1.root-space.de2015-08-17 → 2016-12-19 · 4 obs
● 2015-08-17 19:34:30
● 2016-12-19 16:29:58
○ 2021-05-26 07:16:06
○ 2026-07-01 13:29:34
○MXmx2.ffrn.de2021-05-26 → 2026-03-22 · 9 obs
○ 2016-12-19 16:29:58
● 2021-05-26 07:16:06
○ 2026-02-20 16:39:30
○ 2026-03-06 15:12:22
● 2026-03-12 00:32:06
○ 2026-03-16 07:30:04
● 2026-03-22 09:44:48
○ 2026-03-30 22:38:46
○ 2026-07-01 13:29:34
○A138.201.30.2542021-05-26 → 2026-03-22 · 5 obs
○ 2016-12-19 16:29:58
● 2021-05-26 07:16:06
● 2026-03-22 09:44:48
○ 2026-03-30 22:38:46
○ 2026-07-01 13:29:34
○A188.40.255.2402015-08-17 → 2016-12-19 · 4 obs
● 2015-08-17 19:34:30
● 2016-12-19 16:29:58
○ 2021-05-26 07:16:06
○ 2026-07-01 13:29:34
○A2a01:4f8:100:5740::32015-08-17 → 2016-12-19 · 4 obs
● 2015-08-17 19:34:30
● 2016-12-19 16:29:58
○ 2021-05-26 07:16:06
○ 2026-07-01 13:29:34
○A2a01:4f8:171:3242::722021-05-26 → 2026-03-22 · 5 obs
○ 2016-12-19 16:29:58
● 2021-05-26 07:16:06
● 2026-03-22 09:44:48
○ 2026-03-30 22:38:46
○ 2026-07-01 13:29:34
●A2a01:4f8:222:f3ff::30:12026-03-30 → 2026-07-01 · 3 obs
○ 2026-03-22 09:44:48
● 2026-03-30 22:38:46
● 2026-07-01 13:29:34
●A88.198.106.1152026-03-30 → 2026-07-01 · 3 obs
○ 2026-03-22 09:44:48
● 2026-03-30 22:38:46
● 2026-07-01 13:29:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
ffrn.dens1.ffrn.de, ns2.ffrn.de, ns3.ffrn.de6 records

✅ Authoritative Response

Server:89.58.15.197

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ffrn.de (unsigned zone)

⏱️ Timing

Total: 681ms | Queries: -

📄 Records

TypeCountSample Data
A188.198.106.115
AAAA12a01:4f8:222:f3ff::30:1
NS3ns1.ffrn.de, ns2.ffrn.de...
MX1mail01.ffrn.de (pri: 10)
TXT1v=spf1 mx -all
SOA1ns1.ffrn.de zonemaster.ffrn.de

📌 Glue Records Collected

Total: 6

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

Analysis

Hierarchy

ffrn.de serves as parent to mail01.ffrn.de, gw03.ffrn.de, mail.ffrn.de, ns1.ffrn.de, weschnitz.ffrn.de along with a few other host names.

IP Addresses

ffrn.de directs to two IP numbers, 88.198.106.115 and 2a01:4f8:222:f3ff::30:1

Among others, freifunk-heidelberg.de, ffbw.de, ns1.ffrn.de and freifunk-rhein-neckar.de resolve to the same IP numbers as ffrn.de.

Name Servers

The authoritative name servers for ffrn.de are ns1.ffrn.de, ns2.ffrn.de and ns3.ffrn.de — three in total.

There is an overlap in name servers between ffrn.de and other domains, for example freifunk-rhein-neckar.de, freifunk-heidelberg.de and ffbw.de

ns1.ffrn.de, ns2.ffrn.de and ns3.ffrn.de all resolve to exactly two IP numbers apiece: ns1.ffrn.de → 88.198.106.115 and 2a01:4f8:222:f3ff::30:1; ns2.ffrn.de → 94.130.243.234 and 2a01:4f8:140:4093:0:5eff:fe82:f3ea; ns3.ffrn.de → 89.58.15.197 and 2a03:4000:60:11f::1.

Mail Servers

ffrn.de routes its mail through a single mail server, mail01.ffrn.de.

ffrn.de has mail servers in common with freifunk-rhein-neckar.de, ffrn.net, freifunk-heidelberg.de and ffbw.de, among others.

mail01.ffrn.de has two IP addresses: 49.12.39.108 and 2a01:4f8:c17:6b7f::1.