studbio.de - dns.ninja

studbio.de

DNSSEC⚠️ Not signed
A146.75.28.95🇺🇸 Fastly146.75.28.0/22
NSpdns1.ultradns.net ⭐
A2001:502:f3ff::1🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRpdns1.ultradns.net
A204.74.108.1🇺🇸 MAINT-ID-12008204.74.108.0/24 Neustar
PTRpdns1.ultradns.net
NSpdns2.ultradns.net
A2610:a1:1014::1🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRpdns2.ultradns.net
A204.74.109.1🇺🇸 MAINT-ID-12008204.74.109.0/24 Neustar
PTRpdns2.ultradns.net
NSpdns3.ultradns.org
A2610:a1:1015::1🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRpdns3.ultradns.org
A199.7.68.1🇺🇸 MAINT-ID-12008199.7.68.0/24 Neustar
PTRpdns3.ultradns.org
NSpdns4.ultradns.org
A2001:502:4612::1🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRpdns4.ultradns.org
A199.7.69.1🇺🇸 MAINT-ID-12008199.7.69.0/24 Neustar
PTRpdns4.ultradns.org
NSpdns5.ultradns.info
NSpdns6.ultradns.co.uk
A2610:a1:1017::1🇺🇸 MAINT-ID-120082610:a1:1017::/48 Neustar
PTRpdns6.ultradns.co.uk
A204.74.115.1🇺🇸 MAINT-ID-12008204.74.115.0/24 Neustar
PTRpdns6.ultradns.co.uk
SOApdns1.ultradns.nethostmaster@springer.com 2017-01-23 #18

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=1781201675

Same first word

studbio.de

Similar names

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dustbio.com
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DNS History

15 records (7 active, 8 former)

20162017201820192020202120222023202420252026NSpdns1.ultradns.netpdns2.ultradns.netpdns3.ultradns.orgpdns4.ultradns.orgpdns5.ultradns.infopdns6.ultradns.co.ukdns1.springer.comdns2.springer.comdns4.springer.comA146.75.28.95146.75.92.95151.101.40.95195.128.8.134199.232.36.9562.50.45.35
○NSdns1.springer.com2015-04-17 → 2019-04-13 · 4 obs
● 2015-04-17 06:27:30
● 2019-04-13 03:35:44
○ 2026-02-15 11:06:36
○ 2026-06-11 18:44:58
○NSdns2.springer.com2015-04-17 → 2019-04-13 · 4 obs
● 2015-04-17 06:27:30
● 2019-04-13 03:35:44
○ 2026-02-15 11:06:36
○ 2026-06-11 18:44:58
○NSdns4.springer.com2015-04-17 → 2019-04-13 · 4 obs
● 2015-04-17 06:27:30
● 2019-04-13 03:35:44
○ 2026-02-15 11:06:36
○ 2026-06-11 18:44:58
●NSpdns1.ultradns.net2026-02-15 → 2026-06-11 · 3 obs
○ 2019-04-13 03:35:44
● 2026-02-15 11:06:36
● 2026-06-11 18:44:58
●NSpdns2.ultradns.net2026-02-15 → 2026-06-11 · 3 obs
○ 2019-04-13 03:35:44
● 2026-02-15 11:06:36
● 2026-06-11 18:44:58
●NSpdns3.ultradns.org2026-02-15 → 2026-06-11 · 3 obs
○ 2019-04-13 03:35:44
● 2026-02-15 11:06:36
● 2026-06-11 18:44:58
●NSpdns4.ultradns.org2026-02-15 → 2026-06-11 · 3 obs
○ 2019-04-13 03:35:44
● 2026-02-15 11:06:36
● 2026-06-11 18:44:58
●NSpdns5.ultradns.info2026-02-15 → 2026-06-11 · 3 obs
○ 2019-04-13 03:35:44
● 2026-02-15 11:06:36
● 2026-06-11 18:44:58
●NSpdns6.ultradns.co.uk2026-02-15 → 2026-06-11 · 3 obs
○ 2019-04-13 03:35:44
● 2026-02-15 11:06:36
● 2026-06-11 18:44:58
●A146.75.28.952026-03-21 → 2026-06-11 · 13 obs
○ 2026-03-17 22:48:34
● 2026-03-21 15:57:28
○ 2026-03-25 06:36:12
○ 2026-04-03 09:52:48
● 2026-04-05 14:29:06
● 2026-04-10 03:14:04
○ 2026-04-17 22:08:04
○ 2026-04-20 14:40:12
● 2026-05-01 22:10:10
○ 2026-05-05 06:09:58
○ 2026-05-26 04:05:48
● 2026-06-11 18:44:54
● 2026-06-11 18:44:58
○A146.75.92.952026-02-15 → 2026-05-26 · 17 obs
○ 2019-04-13 03:35:44
● 2026-02-15 11:06:36
● 2026-02-26 05:29:38
○ 2026-03-17 22:48:34
○ 2026-03-21 15:57:28
● 2026-03-25 06:36:12
● 2026-03-31 01:53:50
○ 2026-04-03 09:52:48
○ 2026-04-17 22:08:04
● 2026-04-20 14:40:12
○ 2026-05-01 22:10:10
● 2026-05-05 06:09:58
○ 2026-05-15 22:20:50
● 2026-05-19 03:53:22
● 2026-05-26 04:05:48
○ 2026-06-11 18:44:54
○ 2026-06-11 18:44:58
○A151.101.40.952026-04-03 → 2026-04-03 · 4 obs
○ 2026-03-31 01:53:50
● 2026-04-03 09:52:48
○ 2026-04-05 14:29:06
○ 2026-06-11 18:44:58
○A195.128.8.1342017-02-12 → 2019-04-13 · 5 obs
○ 2016-07-01 14:56:24
● 2017-02-12 16:57:44
● 2019-04-13 03:35:44
○ 2026-02-15 11:06:36
○ 2026-06-11 18:44:58
○A199.232.36.952026-03-17 → 2026-05-15 · 10 obs
○ 2026-02-26 05:29:38
● 2026-03-17 22:48:34
○ 2026-03-21 15:57:28
○ 2026-04-10 03:14:04
● 2026-04-17 22:08:04
○ 2026-04-20 14:40:12
○ 2026-05-05 06:09:58
● 2026-05-15 22:20:50
○ 2026-05-19 03:53:22
○ 2026-06-11 18:44:58
○A62.50.45.352015-04-17 → 2016-07-01 · 4 obs
● 2015-04-17 06:27:30
● 2016-07-01 14:56:24
○ 2017-02-12 16:57:44
○ 2026-06-11 18:44:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
studbio.depdns2.ultradns.net, pdns1.ultradns.net, pdns6.ultradns.co.uk, pdns5.ultradns.info...-

✅ Authoritative Response

Server:199.7.69.1

NS records: pdns2.ultradns.net, pdns1.ultradns.net, pdns6.ultradns.co.uk, pdns5.ultradns.info, pdns3.ultradns.org, pdns4.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studbio.de (unsigned zone)

⏱️ Timing

Total: 1259ms | Queries: -

📄 Records

TypeCountSample Data
A1146.75.28.95
NS6pdns1.ultradns.net, pdns2.ultradns.net...
SOA1pdns1.ultradns.net hostmaster.springer.c

Analysis

IP Addresses

studbio.de points to a single IP number: 146.75.28.95.

Additional host names — springer.com, snapp.net.in, springer.us and two others — share IP numbers with studbio.de.

Name Servers

The DNS delegation for studbio.de covers 6 name servers: pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net and 3 more.

At least some of studbio.de's name servers are shared with other domains, for example cheapticketspot.net, dealdetector.cz, 1800hotflesh.com and two more.

These name servers tend to co-occur with pdns3.ultradns.org, pdns4.ultradns.org, pdns6.ultradns.co.uk and 7 other name servers in the same DNS delegations.

Host names with two IP numbers:

pdns1.ultradns.net maps to two IP addresses — 204.74.108.1 and 2001:502:f3ff::1.

pdns2.ultradns.net maps to two IP addresses — 204.74.109.1 and 2610:a1:1014::1.

pdns3.ultradns.org maps to two IP addresses — 199.7.68.1 and 2610:a1:1015::1.

pdns4.ultradns.org maps to two IP addresses — 199.7.69.1 and 2001:502:4612::1.

pdns6.ultradns.co.uk maps to two IP addresses — 204.74.115.1 and 2610:a1:1017::1.