back-kurse.de - robtex.com

back-kurse.de

DNSSEC⚠️ Not signed
A46.38.243.234🇩🇪 netcup-AS46.38.240.0/22
NSroot-dns.netcup.net ⭐
A2a03:4000:0:1::e1e1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
PTRroot-dns.netcup.net
A46.38.225.225🇩🇪 netcup-AS46.38.225.0/24
PTRroot-dns.netcup.net
NSsecond-dns.netcup.net
A2a03:4000:2:24b::c7c7🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
PTRsecond-dns.netcup.net
A37.221.199.199🇩🇪 netcup-AS37.221.196.0/22
PTRsecond-dns.netcup.net
NSthird-dns.netcup.net
A2a03:4001:0:106::3f44🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH
PTRthird-dns.netcup.net
A188.68.63.68🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH
PTRthird-dns.netcup.net
SOAroot-dns.netcup.netdnsadmin@netcup.net 2026-01-11 #2

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=1775972994

Same first word

back-kurse.de

DNS History

15 records (4 active, 11 former)

20162017201820192020202120222023202420252026NSroot-dns.netcup.netsecond-dns.netcup.netthird-dns.netcup.netk1.kundencontroller.dens1.domainoffensive.dens1.kundencontroller.dens2.domainoffensive.dens2.kundencontroller.dens3.domainoffensive.deMXback-kurse.demail.back-kurse.deA46.38.243.234193.85.184.3885.214.24.193CNAMEbacktraining.webnode.com
○NSk1.kundencontroller.de2016-04-02 → 2016-09-23 · 5 obs
○ 2016-01-16 15:04:36
● 2016-04-02 11:35:34
● 2016-09-23 23:38:52
○ 2017-04-10 05:13:34
○ 2026-04-12 05:51:12
○NSns1.domainoffensive.de2017-04-10 → 2017-04-10 · 3 obs
○ 2016-09-23 23:38:52
● 2017-04-10 05:13:34
○ 2026-04-12 05:51:12
○NSns1.kundencontroller.de2015-10-31 → 2016-09-23 · 6 obs
● 2015-10-31 21:16:00
● 2016-01-16 15:04:36
○ 2016-04-02 11:35:34
● 2016-09-23 23:38:52
○ 2017-04-10 05:13:34
○ 2026-04-12 05:51:12
○NSns2.domainoffensive.de2017-04-10 → 2017-04-10 · 3 obs
○ 2016-09-23 23:38:52
● 2017-04-10 05:13:34
○ 2026-04-12 05:51:12
○NSns2.kundencontroller.de2015-10-31 → 2016-09-23 · 6 obs
● 2015-10-31 21:16:00
● 2016-01-16 15:04:36
○ 2016-04-02 11:35:34
● 2016-09-23 23:38:52
○ 2017-04-10 05:13:34
○ 2026-04-12 05:51:12
○NSns3.domainoffensive.de2017-04-10 → 2017-04-10 · 3 obs
○ 2016-09-23 23:38:52
● 2017-04-10 05:13:34
○ 2026-04-12 05:51:12
●NSroot-dns.netcup.net2026-04-12 → 2026-04-12 · 2 obs
○ 2017-04-10 05:13:34
● 2026-04-12 05:51:12
●NSsecond-dns.netcup.net2026-04-12 → 2026-04-12 · 2 obs
○ 2017-04-10 05:13:34
● 2026-04-12 05:51:12
●NSthird-dns.netcup.net2026-04-12 → 2026-04-12 · 2 obs
○ 2017-04-10 05:13:34
● 2026-04-12 05:51:12
○MXback-kurse.de2016-09-23 → 2016-09-23 · 3 obs
● 2016-09-23 23:38:52
○ 2017-04-10 05:13:34
○ 2026-04-12 05:51:12
○MXmail.back-kurse.de2017-04-10 → 2017-04-10 · 3 obs
○ 2016-09-23 23:38:52
● 2017-04-10 05:13:34
○ 2026-04-12 05:51:12
○A193.85.184.382015-06-23 → 2016-04-02 · 4 obs
● 2015-06-23 21:11:14
● 2016-04-02 11:35:34
○ 2016-09-23 23:38:52
○ 2026-04-12 05:51:12
●A46.38.243.2342026-04-12 → 2026-04-12 · 2 obs
○ 2017-04-10 05:13:34
● 2026-04-12 05:51:12
○A85.214.24.1932016-09-23 → 2017-04-10 · 4 obs
○ 2016-04-02 11:35:34
● 2016-09-23 23:38:52
● 2017-04-10 05:13:34
○ 2026-04-12 05:51:12
○CNAMEbacktraining.webnode.com2015-06-23 → 2016-04-02 · 4 obs
● 2015-06-23 21:11:14
● 2016-04-02 11:35:34
○ 2016-09-23 23:38:52
○ 2026-04-12 05:51:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
back-kurse.deroot-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net-

✅ Authoritative Response

Server:46.38.225.225

NS records: root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for back-kurse.de (unsigned zone)

⏱️ Timing

Total: 627ms | Queries: -

📄 Records

TypeCountSample Data
A146.38.243.234
NS3third-dns.netcup.net, root-dns.netcup.net...
SOA1root-dns.netcup.net dnsadmin.netcup.net

Analysis

IP Addresses

back-kurse.de resolves to one IP number: 46.38.243.234.

other host names including xn--frderhilfe-ecb.de, endgen.de, fileshuttle.de, wyeth.at and wir-sind-finke.de share IP numbers with back-kurse.de.

Name Servers

back-kurse.de is delegated to three name servers root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.

back-kurse.de at least partially shares name servers with other domains, for instance doepfl.com, trekk-x.com, tncg.de, ltaka.de and sehlleier.com.

Host names with two IP numbers:

root-dns.netcup.net points to: 2a03:4000:0:1::e1e1 and 46.38.225.225.

second-dns.netcup.net points to: 2a03:4000:2:24b::c7c7 and 37.221.199.199.

third-dns.netcup.net points to: 2a03:4001:0:106::3f44 and 188.68.63.68.