codeforce.de - dns.ninja

codeforce.de

DNSSEC⚠️ Not signed
A2a01:238:20a:202:1093::🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRw8d.rzone.de
A81.169.145.93🇩🇪 STRATO81.169.144.0/22 AG
NSshades02.rzone.de ⭐
A2607:f1c0:fe:53:185:132:34:129🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRshades02.rzone.de
A185.132.34.129🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRshades02.rzone.de
NSdocks17.rzone.de
A2001:8d8:fe:53:5747:2a74:d:17🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRdocks17.rzone.de
A217.160.80.144🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRdocks17.rzone.de
MXsmtpin.rzone.de ⭐
A2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRsmtpin.rzone.de
A81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG
PTRsmtpin.rzone.de
SOAshades02.rzone.dehostmaster@strato-rz.de 2020-05-24 #4

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=1785961858

Same first word

codeforce.eu
codeforce.net
codeforce.org
codeforce.de
codeforce.com
codeforce.com.br
codeforce.co.nz
codeforce.nl

Similar names

forcecode.ru
forcecode.com
forcecode.sk
decoforce.com
forcecode.de

DNS History

6 records (5 active, 1 former)

20162017201820192020202120222023202420252026NSdocks17.rzone.deshades02.rzone.deMXsmtpin.rzone.desmtp.rzone.deA2a01:238:20a:202:1093::81.169.145.93
●NSdocks17.rzone.de2015-07-09 → 2026-08-05 · 2 obs
● 2015-07-09 07:26:38
● 2026-08-05 20:46:00
●NSshades02.rzone.de2015-07-09 → 2026-08-05 · 2 obs
● 2015-07-09 07:26:38
● 2026-08-05 20:46:00
○MXsmtp.rzone.de2015-07-09 → 2017-04-02 · 4 obs
● 2015-07-09 07:26:38
● 2017-04-02 00:40:22
○ 2026-03-04 04:53:48
○ 2026-08-05 20:46:00
●MXsmtpin.rzone.de2026-03-04 → 2026-08-05 · 3 obs
○ 2017-04-02 00:40:22
● 2026-03-04 04:53:48
● 2026-08-05 20:46:00
●A2a01:238:20a:202:1093::2015-07-09 → 2026-08-05 · 2 obs
● 2015-07-09 07:26:38
● 2026-08-05 20:46:00
●A81.169.145.932015-07-09 → 2026-08-05 · 2 obs
● 2015-07-09 07:26:38
● 2026-08-05 20:46:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dez.nic.de, a.nic.de, f.nic.de-
codeforce.deshades02.rzone.de, docks17.rzone.de-

✅ Authoritative Response

Server:217.160.80.144

NS records: shades02.rzone.de, docks17.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codeforce.de (unsigned zone)

⏱️ Timing

Total: 2306ms | Queries: -

📄 Records

TypeCountSample Data
A181.169.145.93
AAAA12a01:238:20a:202:1093::
NS2docks17.rzone.de, shades02.rzone.de
MX1smtpin.rzone.de (pri: 5)
SOA1shades02.rzone.de hostmaster.strato-rz.d

Analysis

IP Addresses

codeforce.de directs to two IP numbers, 81.169.145.93 and 2a01:238:20a:202:1093::

Two other host names, along with kleingrafik.com, koble.de and staudinger.email, also share IP numbers with codeforce.de.

Name Servers

Two name servers handle the delegation for codeforce.de: docks17.rzone.de and shades02.rzone.de.

codeforce.de shares its NS records with other domains, for example khk-anwaelte.de, plotinfo.com, bookexpress.at and two others.

codeforce.de has at least partial name server overlap with other domains, such as isen-termine.de, djsj.de, pfeiffer-werkzeuge.eu and two others.

shades14.rzone.de, docks09.rzone.de and shades20.rzone.de — plus 7 other name servers — are commonly paired with these name servers.

docks17.rzone.de and shades02.rzone.de both carry two IP addresses. The A records for docks17.rzone.de are 217.160.80.144 and 2001:8d8:fe:53:5747:2a74:d:17; the A records for shades02.rzone.de are 185.132.34.129 and 2607:f1c0:fe:53:185:132:34:129.

Mail Servers

The sole mail server for codeforce.de is smtpin.rzone.de.

Among the domains sharing a mail server setup with codeforce.de are trenduhr.com, florian-boehm.de, falcona.de and two others.

smtpin.rzone.de has two IP addresses: 81.169.145.97 and 2a01:238:20a:202:50f0::1097.