c-kurs.de - robtex.com

c-kurs.de

DNSSEC⚠️ Not signed
A2001:8d8:100f:f000::200🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910
PTR2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
A217.160.0.176🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3
NSns1112.ui-dns.biz ⭐
A2001:8d8:fe:53:0:d9a0:5170:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1112.ui-dns.biz
A217.160.81.112🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1112.ui-dns.biz
NSns1112.ui-dns.com
A2001:8d8:fe:53:0:d9a0:5270:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1112.ui-dns.com
A217.160.82.112🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1112.ui-dns.com
NSns1112.ui-dns.de
A2607:f1c0:fe:53:185:132:32:112🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1112.ui-dns.de
A217.160.80.112🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1112.ui-dns.de
NSns1112.ui-dns.org
A2001:8d8:fe:53:0:d9a0:5370:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1112.ui-dns.org
A217.160.83.112🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1112.ui-dns.org
MXmx00.ionos.de ⭐
A212.227.15.41🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2
PTRmx00.kundenserver.de
MXmx01.ionos.de ⭐
A217.72.192.67🇩🇪 IONOS-AS217.72.192.0/20 Web.de
PTRmx01.kundenserver.de
TXTv=spf1 include:_spf-eu.ionos.com ~all
SOAns1112.ui-dns.bizhostmaster@kundenserver.de 2016-12-22 #5

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=1776000584

Same first word

c-kurs.de

Similar names

crs-uk.co.uk
kc-rus.ru
src-uk.co.uk
rcs-uk.com
crs-uk.biz

DNS History

17 records (8 active, 9 former)

20162017201820192020202120222023202420252026NSns1112.ui-dns.bizns1112.ui-dns.comns1112.ui-dns.dens1112.ui-dns.orgns1.sedoparking.comns2.sedoparking.comMXmx00.ionos.demx01.ionos.delocalhostmail.nickstel.commx00.kundenserver.demx01.kundenserver.deA2001:8d8:100f:f000::200217.160.0.1762001:8d8:1001:400c:fe94:7f3c:2a18:8845217.160.122.22872.52.4.119
○NSns1.sedoparking.com2015-06-28 → 2016-12-02 · 4 obs
● 2015-06-28 05:47:36
● 2016-12-02 07:12:32
○ 2018-10-18 20:25:14
○ 2026-04-12 13:48:16
●NSns1112.ui-dns.biz2018-10-18 → 2026-04-12 · 3 obs
○ 2016-12-02 07:12:32
● 2018-10-18 20:25:14
● 2026-04-12 13:48:16
●NSns1112.ui-dns.com2018-10-18 → 2026-04-12 · 3 obs
○ 2016-12-02 07:12:32
● 2018-10-18 20:25:14
● 2026-04-12 13:48:16
●NSns1112.ui-dns.de2018-10-18 → 2026-04-12 · 3 obs
○ 2016-12-02 07:12:32
● 2018-10-18 20:25:14
● 2026-04-12 13:48:16
●NSns1112.ui-dns.org2018-10-18 → 2026-04-12 · 3 obs
○ 2016-12-02 07:12:32
● 2018-10-18 20:25:14
● 2026-04-12 13:48:16
○NSns2.sedoparking.com2015-06-28 → 2016-12-02 · 4 obs
● 2015-06-28 05:47:36
● 2016-12-02 07:12:32
○ 2018-10-18 20:25:14
○ 2026-04-12 13:48:16
○MXlocalhost2016-12-02 → 2016-12-02 · 4 obs
○ 2016-04-16 10:58:30
● 2016-12-02 07:12:32
○ 2018-10-18 20:25:14
○ 2026-04-12 13:48:16
○MXmail.nickstel.com2015-06-28 → 2016-04-16 · 4 obs
● 2015-06-28 05:47:36
● 2016-04-16 10:58:30
○ 2016-12-02 07:12:32
○ 2026-04-12 13:48:16
●MXmx00.ionos.de2026-04-11 → 2026-04-12 · 3 obs
○ 2018-10-18 20:25:14
● 2026-04-11 00:58:10
● 2026-04-12 13:48:16
○MXmx00.kundenserver.de2018-10-18 → 2018-10-18 · 4 obs
○ 2016-12-02 07:12:32
● 2018-10-18 20:25:14
○ 2026-04-11 00:58:10
○ 2026-04-12 13:48:16
●MXmx01.ionos.de2026-04-11 → 2026-04-12 · 3 obs
○ 2018-10-18 20:25:14
● 2026-04-11 00:58:10
● 2026-04-12 13:48:16
○MXmx01.kundenserver.de2018-10-18 → 2018-10-18 · 4 obs
○ 2016-12-02 07:12:32
● 2018-10-18 20:25:14
○ 2026-04-11 00:58:10
○ 2026-04-12 13:48:16
○A2001:8d8:1001:400c:fe94:7f3c:2a18:88452018-10-18 → 2018-10-18 · 4 obs
○ 2016-12-02 07:12:32
● 2018-10-18 20:25:14
○ 2026-04-11 00:58:10
○ 2026-04-12 13:48:16
●A2001:8d8:100f:f000::2002026-04-11 → 2026-04-12 · 3 obs
○ 2018-10-18 20:25:14
● 2026-04-11 00:58:10
● 2026-04-12 13:48:16
●A217.160.0.1762026-04-11 → 2026-04-12 · 3 obs
○ 2018-10-18 20:25:14
● 2026-04-11 00:58:10
● 2026-04-12 13:48:16
○A217.160.122.2282018-10-18 → 2018-10-18 · 4 obs
○ 2016-12-02 07:12:32
● 2018-10-18 20:25:14
○ 2026-04-11 00:58:10
○ 2026-04-12 13:48:16
○A72.52.4.1192015-06-28 → 2016-12-02 · 4 obs
● 2015-06-28 05:47:36
● 2016-12-02 07:12:32
○ 2018-10-18 20:25:14
○ 2026-04-12 13:48:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
c-kurs.dens1112.ui-dns.com, ns1112.ui-dns.biz, ns1112.ui-dns.de, ns1112.ui-dns.org-

✅ Authoritative Response

Server:217.160.82.112

NS records: ns1112.ui-dns.com, ns1112.ui-dns.biz, ns1112.ui-dns.de, ns1112.ui-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for c-kurs.de (unsigned zone)

⏱️ Timing

Total: 695ms | Queries: -

📄 Records

TypeCountSample Data
A1217.160.0.176
AAAA12001:8d8:100f:f000::200
NS4ns1112.ui-dns.com, ns1112.ui-dns.de...
MX2mx01.ionos.de (pri: 10), mx00.ionos.de (pri: 10)
TXT1v=spf1 include:_spf-eu.ionos.com ~all
SOA1ns1112.ui-dns.biz hostmaster.kundenserve

Analysis

IP Addresses

c-kurs.de points to two IP numbers: 2001:8d8:100f:f000::200 and 217.160.0.176.

Other host names such as senisoft.de, yourinkdate.com, twzk.de, fvs-mobil.com and typoplastics.org share IP numbers with c-kurs.de.

Name Servers

c-kurs.de is delegated to four name servers: ns1112.ui-dns.biz, ns1112.ui-dns.com, ns1112.ui-dns.de and ns1112.ui-dns.org.

At least part of the name servers for c-kurs.de are shared with other domains, for instance alkberg.de, medinamontenegro.com, wvetter.de, thekwaks.com and fitculinaire.com.

these name servers are commonly used with ns1030.ui-dns.de, ns1088.ui-dns.com, ns1071.ui-dns.biz, ns1039.ui-dns.com and ns1056.ui-dns.org.

Host names with two IP numbers:

ns1112.ui-dns.biz points to: 2001:8d8:fe:53:0:d9a0:5170:100 and 217.160.81.112

ns1112.ui-dns.com points to: 2001:8d8:fe:53:0:d9a0:5270:100 and 217.160.82.112

ns1112.ui-dns.de points to: 2607:f1c0:fe:53:185:132:32:112 and 217.160.80.112

ns1112.ui-dns.org points to: 2001:8d8:fe:53:0:d9a0:5370:100 and 217.160.83.112

Mail Servers

c-kurs.de is handled by two mail servers: mx00.ionos.de and mx01.ionos.de.

c-kurs.de uses the same mail server setup as other domains, for instance auma-kreditbank.de, moellenbruck.com, collectsquare.de, servicefon.com and ewil.de.

Hostnames with a single IP

mx00.ionos.de resolves to: 212.227.15.41.

mx01.ionos.de resolves to: 217.72.192.67.