kurs-html.de - robtex.com

kurs-html.de

DNSSEC⚠️ Not signed
A2a01:4f8:c2c:abf5::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRcs2.web-redirect.eu
A2a01:4f8:c010:3f9c::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
A116.202.9.166🇩🇪 Hetzner116.202.0.0/16 HETZNER-DC
A116.203.213.72🇩🇪 Hetzner116.203.0.0/16 HETZNER-DC
NSns1.domainoffensive.de ⭐
A2001:67c:1bc::21🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast
PTRns1.mainns.de
A192.174.68.21🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net
PTRns1.mainns.de
NSns2.domainoffensive.de
A2001:67c:10b8::21🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net
PTRns2.mainns.eu
A176.97.158.21🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net
PTRns2.mainns.eu
NSns3.domainoffensive.de
A2001:67c:1bc::20🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast
PTRns3.mainns.net
A192.174.68.20🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net
PTRns3.mainns.net
MXmx01.mail-redirect.de ⭐
A2a01:4f8:1c17:52e9::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRmx01.mail-redirect.de
A88.99.82.73🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC
PTRmx01.mail-redirect.de
MXmx02.mail-redirect.eu ⭐
A2a01:4f8:c2c:9ff::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRmx02.mail-redirect.eu
A159.69.107.183🇩🇪 Hetzner159.69.0.0/16 HETZNER-DC
PTRmx02.mail-redirect.eu
TXTv=spf1 mx mx:mx01.mail-redirect.de mx:mx02.mail-redirect.eu ~all
SOAns1.domainoffensive.deinfo@domains.resellerinterface.de serial=1771985697

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=1774659841

Same first word

kurs-html.pl
kurs-html.de

DNS History

13 records (9 active, 4 former)

20162017201820192020202120222023202420252026NSns1.domainoffensive.dens2.domainoffensive.dens3.domainoffensive.deMXmx01.mail-redirect.demx02.mail-redirect.eumx.redirect.domainoffensive.demxfallback.redirect.domainoffensive.deA116.202.9.166116.203.213.722a01:4f8:c010:3f9c::12a01:4f8:c2c:abf5::12a01:4f8:190:62f4::1378.47.59.169
●NSns1.domainoffensive.de2015-07-07 → 2026-03-28 · 2 obs
● 2015-07-07 08:30:44
● 2026-03-28 01:22:04
●NSns2.domainoffensive.de2015-07-07 → 2026-03-28 · 2 obs
● 2015-07-07 08:30:44
● 2026-03-28 01:22:04
●NSns3.domainoffensive.de2015-11-10 → 2026-03-28 · 3 obs
○ 2015-07-07 08:30:44
● 2015-11-10 14:22:38
● 2026-03-28 01:22:04
○MXmx.redirect.domainoffensive.de2015-07-07 → 2018-08-16 · 4 obs
● 2015-07-07 08:30:44
● 2018-08-16 20:34:22
○ 2026-03-23 19:46:28
○ 2026-03-28 01:22:04
●MXmx01.mail-redirect.de2026-03-23 → 2026-03-28 · 3 obs
○ 2018-08-16 20:34:22
● 2026-03-23 19:46:28
● 2026-03-28 01:22:04
●MXmx02.mail-redirect.eu2026-03-23 → 2026-03-28 · 3 obs
○ 2018-08-16 20:34:22
● 2026-03-23 19:46:28
● 2026-03-28 01:22:04
○MXmxfallback.redirect.domainoffensive.de2015-07-07 → 2018-08-16 · 4 obs
● 2015-07-07 08:30:44
● 2018-08-16 20:34:22
○ 2026-03-23 19:46:28
○ 2026-03-28 01:22:04
●A116.202.9.1662026-03-23 → 2026-03-28 · 3 obs
○ 2018-08-16 20:34:22
● 2026-03-23 19:46:28
● 2026-03-28 01:22:04
●A116.203.213.722026-03-23 → 2026-03-28 · 3 obs
○ 2018-08-16 20:34:22
● 2026-03-23 19:46:28
● 2026-03-28 01:22:04
○A2a01:4f8:190:62f4::132015-07-07 → 2018-08-16 · 4 obs
● 2015-07-07 08:30:44
● 2018-08-16 20:34:22
○ 2026-03-23 19:46:28
○ 2026-03-28 01:22:04
●A2a01:4f8:c010:3f9c::12026-03-23 → 2026-03-28 · 3 obs
○ 2018-08-16 20:34:22
● 2026-03-23 19:46:28
● 2026-03-28 01:22:04
●A2a01:4f8:c2c:abf5::12026-03-23 → 2026-03-28 · 3 obs
○ 2018-08-16 20:34:22
● 2026-03-23 19:46:28
● 2026-03-28 01:22:04
○A78.47.59.1692015-07-07 → 2018-08-16 · 4 obs
● 2015-07-07 08:30:44
● 2018-08-16 20:34:22
○ 2026-03-23 19:46:28
○ 2026-03-28 01:22:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
kurs-html.dens2.domainoffensive.de, ns3.domainoffensive.de, ns1.domainoffensive.de-

✅ Authoritative Response

Server:192.174.68.21

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 695ms | Queries: -

📄 Records

TypeCountSample Data
A2116.202.9.166, 116.203.213.72
AAAA22a01:4f8:c2c:abf5::1, 2a01:4f8:c010:3f9c::1
NS3ns1.domainoffensive.de, ns2.domainoffensive.de...
MX2mx01.mail-redirect.de (pri: 10), mx02.mail-redirect.eu (pri: 10)
TXT1v=spf1 mx mx:mx01.mail-redirect.de mx:mx
SOA1ns1.domainoffensive.de info.domains.rese

Analysis

IP Addresses

kurs-html.de maps to four IP numbers: 2a01:4f8:c2c:abf5::1, 2a01:4f8:c010:3f9c::1, 116.202.9.166 and 116.203.213.72.

Other host names such as trax.at, igelmann.info, wamedo.com, advisionet.com and sc-studios.de share IPs with kurs-html.de.

Name Servers

kurs-html.de is delegated to three name servers: ns1.domainoffensive.de, ns2.domainoffensive.de and ns3.domainoffensive.de.

kurs-html.de at least partially shares name servers with other domains, for example fewo-pension.de, reiaen.de, xn--hpfburgen-reparatur-59b.de, masterwerk.net and grapecheck.de.

These name servers are often used together with ns2.domainoffensive.eu and ns3.domainoffensive.net.

Host names with two IP numbers:

ns1.domainoffensive.de points to 2001:67c:1bc::21 and 192.174.68.21

ns2.domainoffensive.de points to 2001:67c:10b8::21 and 176.97.158.21

ns3.domainoffensive.de points to 2001:67c:1bc::20 and 192.174.68.20

Mail Servers

Two mail servers handle kurs-html.de: mx01.mail-redirect.de and mx02.mail-redirect.eu.

kurs-html.de shares the same mail server setup as other domains, including gashotline.de, coolm.de, litschi-soft.com, wbildung.ch and print-transfer.de.

Host names with two IP numbers:

mx01.mail-redirect.de points to 2a01:4f8:1c17:52e9::1 and 88.99.82.73.

mx02.mail-redirect.eu points to 2a01:4f8:c2c:9ff::1 and 159.69.107.183.