firstdoor.de - robtex.com

firstdoor.de

DNSSEC⚠️ Not signed
A65.21.75.58🇫🇮 Hetzner65.21.0.0/16 HETZNER-DC
PTRstatic.58.75.21.65.clients.your-server.de
NSa.ns14.net ⭐
A2001:8d8:fe:53:217:160:80:160🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-ix1.ui-dns.de
A217.160.80.160🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-ix1.ui-dns.de
NSb.ns14.net
A2001:8d8:fe:53:217:160:81:160🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-ix1.ui-dns.biz
A217.160.81.160🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-ix1.ui-dns.biz
NSc.ns14.net
A2607:f1c0:fe:53:185:132:35:160🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns-ix1.ui-dns.org
A185.132.35.160🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns-ix1.ui-dns.org
NSd.ns14.net
A2607:f1c0:fe:53:185:132:34:160🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns-ix1.ui-dns.com
A185.132.34.160🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns-ix1.ui-dns.com
SOAa.ns14.netdomain@abdomains.de 2025-06-09 #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=1777359454

Same first word

firstdoor.com
firstdoor.jp
firstdoor.com.au
firstdoor.de
firstdoor.co.jp

Similar names

doorfirst.com
troisdorf.de
troisdorf.city

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSa.ns14.netb.ns14.netc.ns14.netd.ns14.netns1.hans.hosteurope.dens2.hans.hosteurope.deMXmx0.firstdoor.deA65.21.75.582a01:488:42:1000:50ed:842c:79:ff235.35.225.4480.237.132.44
●NSa.ns14.net2026-03-12 → 2026-04-28 · 3 obs
○ 2017-05-24 01:52:40
● 2026-03-12 13:00:42
● 2026-04-28 07:08:40
●NSb.ns14.net2026-03-12 → 2026-04-28 · 3 obs
○ 2017-05-24 01:52:40
● 2026-03-12 13:00:42
● 2026-04-28 07:08:40
●NSc.ns14.net2026-03-12 → 2026-04-28 · 3 obs
○ 2017-05-24 01:52:40
● 2026-03-12 13:00:42
● 2026-04-28 07:08:40
●NSd.ns14.net2026-03-12 → 2026-04-28 · 3 obs
○ 2017-05-24 01:52:40
● 2026-03-12 13:00:42
● 2026-04-28 07:08:40
○NSns1.hans.hosteurope.de2015-08-13 → 2017-05-24 · 4 obs
● 2015-08-13 21:27:10
● 2017-05-24 01:52:40
○ 2026-03-12 13:00:42
○ 2026-04-28 07:08:40
○NSns2.hans.hosteurope.de2015-08-13 → 2017-05-24 · 4 obs
● 2015-08-13 21:27:10
● 2017-05-24 01:52:40
○ 2026-03-12 13:00:42
○ 2026-04-28 07:08:40
○MXmx0.firstdoor.de2015-08-13 → 2017-05-24 · 4 obs
● 2015-08-13 21:27:10
● 2017-05-24 01:52:40
○ 2026-03-12 13:00:42
○ 2026-04-28 07:08:40
○A2a01:488:42:1000:50ed:842c:79:ff232015-08-13 → 2017-05-24 · 4 obs
● 2015-08-13 21:27:10
● 2017-05-24 01:52:40
○ 2026-03-12 13:00:42
○ 2026-04-28 07:08:40
○A5.35.225.442017-05-24 → 2017-05-24 · 4 obs
○ 2016-07-19 16:16:32
● 2017-05-24 01:52:40
○ 2026-03-12 13:00:42
○ 2026-04-28 07:08:40
●A65.21.75.582026-03-12 → 2026-04-28 · 3 obs
○ 2017-05-24 01:52:40
● 2026-03-12 13:00:42
● 2026-04-28 07:08:40
○A80.237.132.442015-08-13 → 2016-07-19 · 4 obs
● 2015-08-13 21:27:10
● 2016-07-19 16:16:32
○ 2017-05-24 01:52:40
○ 2026-04-28 07:08:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
def.nic.de, z.nic.de, a.nic.de-
firstdoor.dea.ns14.net, b.ns14.net, c.ns14.net, d.ns14.net-

✅ Authoritative Response

Server:185.132.34.160

NS records: a.ns14.net, b.ns14.net, c.ns14.net, d.ns14.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstdoor.de (unsigned zone)

⏱️ Timing

Total: 933ms | Queries: -

📄 Records

TypeCountSample Data
A165.21.75.58
NS4b.ns14.net, d.ns14.net...
SOA1a.ns14.net domain.abdomains.de

Analysis

IP Addresses

firstdoor.de resolves to a single IP: 65.21.75.58.

Other host names, for instance site-checker.de, semantischesuche.de, motiontv.de, live69.de and erotikshoppen.de share IP numbers with firstdoor.de.

Name Servers

firstdoor.de is delegated to four name servers: a.ns14.net, b.ns14.net, c.ns14.net and d.ns14.net.

firstdoor.de shares some name servers with other domains, for example hirntrafo.de, 35.151.193.in-addr.arpa, badcompany4.de, itcentrale.de and dictummehralswerkzeuge.net.

Host names with two IP numbers

Two IPs per host:

a.ns14.net points to 2001:8d8:fe:53:217:160:80:160 and 217.160.80.160

b.ns14.net points to 2001:8d8:fe:53:217:160:81:160 and 217.160.81.160

c.ns14.net points to 2607:f1c0:fe:53:185:132:35:160 and 185.132.35.160

d.ns14.net points to 2607:f1c0:fe:53:185:132:34:160 and 185.132.34.160