firstb2b.de - robtex.com

firstb2b.de

DNSSEC⚠️ Not signed
A81.169.155.15🇩🇪 STRATO
PTRmail3.schneidereit-trac.com
NSns1.kundencontroller.de ⭐
A2a02:180:ffff:1::551f:b97e🇩🇪 ISPPRO-AS
PTR2a02-0180-ffff-0001-0000-0000-551f-b97e.blue.kundencontroller.de
A85.31.185.126🇩🇪 ISPPRO-AS
PTRns1.kundencontroller.de
NSns2.kundencontroller.de
A2a02:180:ffff:1::551f:b86🇩🇪 ISPPRO-AS
A85.31.184.6🇩🇪 ISPPRO-AS
PTRns2.kundencontroller.de
MXmail.firstb2b.de ⭐
A81.169.155.15🇩🇪 STRATO
PTRmail3.schneidereit-trac.com
MXmx20.kundencontroller.de(20)
A2a02:180:6:5::5c🇩🇪 ISPPRO-AS
PTR2-mail-in.kundencontroller.de
A2a02:180:6:5::69🇩🇪 ISPPRO-AS
PTR4-mail-in.kundencontroller.de
A85.31.184.102🇩🇪 ISPPRO-AS
PTR2-mail-in.kundencontroller.de
A85.31.184.108🇩🇪 ISPPRO-AS
PTR4-mail-in.kundencontroller.de
SOAns1.kundencontroller.dehostmaster@kundencontroller.de serial=0

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=1771291602

Same first word

firstb2b.net

Similar names

b2bfirst.com.cn

DNS History

5 records (5 active, 0 former)

20162017201820192020202120222023202420252026NSns1.kundencontroller.dens2.kundencontroller.deMXmail.firstb2b.demx20.kundencontroller.deA81.169.155.15
●NSns1.kundencontroller.de2015-06-12 → 2026-02-23 · 2 obs
● 2015-06-12 22:16:20
● 2026-02-23 07:34:14
●NSns2.kundencontroller.de2015-06-12 → 2026-02-23 · 2 obs
● 2015-06-12 22:16:20
● 2026-02-23 07:34:14
●MXmail.firstb2b.de2015-06-12 → 2026-02-23 · 2 obs
● 2015-06-12 22:16:20
● 2026-02-23 07:34:14
●MXmx20.kundencontroller.de2015-06-12 → 2026-02-23 · 2 obs
● 2015-06-12 22:16:20
● 2026-02-23 07:34:14
●A81.169.155.152015-06-12 → 2026-02-23 · 2 obs
● 2015-06-12 22:16:20
● 2026-02-23 07:34:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
firstb2b.dens1.kundencontroller.de, ns2.kundencontroller.de-

✅ Authoritative Response

Server: 85.31.184.6

NS records: ns1.kundencontroller.de, ns2.kundencontroller.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstb2b.de (unsigned zone)

⏱️ Timing

Total: 346ms | Queries: -

📄 Records

TypeCountSample Data
A181.169.155.15
NS2ns2.kundencontroller.de, ns1.kundencontroller.de
MX2mx20.kundencontroller.de (pri: 20), mail.firstb2b.de (pri: 10)
SOA1ns1.kundencontroller.de hostmaster.kunde

AI analysis

firstb2b.de resolves to one IP number: 81.169.155.15.

Other host names, for instance x55.de, netzautor.de, mail.gewerbenetz.de, e-xite.de and gewerbenetz.de share IP numbers with firstb2b.de.

firstb2b.de's delegation uses two name servers: ns1.kundencontroller.de and ns2.kundencontroller.de.

firstb2b.de uses the same name server setup as other domains, such as create-invoice.de, xn--kfermobil-v2a.de, pferde-opschutz.com, noproduct.de and psa-store.com.

firstb2b.de at least partially shares name servers with other domains, including topforen.de, tier-krankenkasse.net, noproduct.biz, heupts.de and 91.143.91.in-addr.arpa.

These name servers are often used with k1.kundencontroller.de and ns3.kundencontroller.de.

Host names with two IPs:

ns1.kundencontroller.de points to 2a02:180:ffff:1::551f:b97e and 85.31.185.126

ns2.kundencontroller.de points to 2a02:180:ffff:1::551f:b86 and 85.31.184.6

firstb2b.de is served by two mail servers mail.firstb2b.de and mx20.kundencontroller.de.

firstb2b.de shares at least some mail servers with other domains, for example albfrost.de, mitstrategiezumrecht.de, tja-das-ist-eben-kompliziert.de, tks-shop.com and telematik-tv.de.

These mail servers are often used together with the mail servers mx10.kundencontroller.de.

Host names with four IP numbers: mx20.kundencontroller.de points to 2a02:180:6:5::5c, 2a02:180:6:5::69, 85.31.184.102 and 85.31.184.108.

Host names with one IP number: mail.firstb2b.de points to 81.169.155.15.