cfrun.de - robtex.com
cfrun.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:238:20a:202:1074::🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| PTR | w0a.rzone.de | ||||||
| A | 81.169.145.74🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| NS | shades18.rzone.de ⭐ | ||||||
| A | 2607:f1c0:fe:53:185:132:34:145🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | shades18.rzone.de | ||||||
| A | 185.132.34.145🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | shades18.rzone.de | ||||||
| NS | docks13.rzone.de | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:13🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | docks13.rzone.de | ||||||
| A | 217.160.80.140🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | docks13.rzone.de | ||||||
| MX | smtpin.rzone.de ⭐ | ||||||
| A | 2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| A | 81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| PTR | smtpin.rzone.de | ||||||
| SOA | shades18.rzone.dehostmaster@strato-rz.de 2020-05-14 #5 | ||||||
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1776046383 | ||||||
Same first word
Similar names
frucn.com |
rcfun.dk |
rcfun.net |
rcfun.com |
furcn.net |
nrfcu.org |
frunc.net |
cnrfu.com |
nurfc.net |
rcfun.nl |
crfun.com |
rfunc.com |
nucrf.ru |
nrfcu.com |
cnfur.com |
cnfur.net |
cnrfu.cn |
nurfc.org |
DNS History
7 records (5 active, 2 former)
○MXsmtp.rzone.de2015-06-04 → 2017-07-02 · 4 obs
● 2017-07-02 14:22:50
○ 2026-02-20 22:30:04
○ 2026-04-13 02:40:56
●MXsmtpin.rzone.de2026-02-20 → 2026-04-13 · 3 obs
● 2026-02-20 22:30:04
● 2026-04-13 02:40:56
○A212.168.32.42015-06-04 → 2017-07-02 · 4 obs
● 2017-07-02 14:22:50
○ 2026-02-20 22:30:04
○ 2026-04-13 02:40:56
●A2a01:238:20a:202:1074::2026-02-20 → 2026-04-13 · 3 obs
● 2026-02-20 22:30:04
● 2026-04-13 02:40:56
●A81.169.145.742026-02-20 → 2026-04-13 · 3 obs
● 2026-02-20 22:30:04
● 2026-04-13 02:40:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| cfrun.de | docks13.rzone.de, shades18.rzone.de | - |
✅ Authoritative Response
Server:217.160.80.140
NS records: docks13.rzone.de, shades18.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cfrun.de (unsigned zone)
⏱️ Timing
Total: 1213ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.169.145.74 |
| AAAA | 1 | 2a01:238:20a:202:1074:: |
| NS | 2 | shades18.rzone.de, docks13.rzone.de |
| MX | 1 | smtpin.rzone.de (pri: 5) |
| SOA | 1 | shades18.rzone.de hostmaster.strato-rz.d |
Analysis
IP Addresses
cfrun.de resolves to two IP numbers: 2a01:238:20a:202:1074:: and 81.169.145.74.
Other host names, for instance midi-skm.net, cosmetic-surgery.de, ivklk.de, n-martin.de and piha.de share IP numbers with cfrun.de.
Name Servers
Two name servers docks13.rzone.de and shades18.rzone.de handle delegation for cfrun.de.
cfrun.de uses the same name server setup as other domains, for example suvac.de, cell-and-tissueculture.net, zenario.co, lombas.de and kanzlei-erfle.de.
cfrun.de partially shares name servers with other domains; examples include flynext.com, finicon.info, elt-ffm.de, 1306.de and mb-dahme.de.
These name servers are commonly used alongside shades04.rzone.de, docks20.rzone.de, shades02.rzone.de, shades19.rzone.de, docks04.rzone.de, docks14.rzone.de, docks11.rzone.de, docks16.rzone.de, shades03.rzone.de and shades13.rzone.de.
Host names with two IP numbers:
docks13.rzone.de points to: 2001:8d8:fe:53:5747:2a74:d:13 and 217.160.80.140
shades18.rzone.de points to: 2607:f1c0:fe:53:185:132:34:145 and 185.132.34.145
Mail Servers
cfrun.de is handled by a single mail server, smtpin.rzone.de.
cfrun.de has the same mail server setup as other domains, including jette-leathergoods.eu, thosti-international.com, diekueche.koeln, astropic.de and johannes-kraft.com.
Host smtpin.rzone.de resolves to two IPs: 2a01:238:20a:202:50f0::1097 and 81.169.145.97.