birkhauserscience.de - dns.ninja

`birkhauserscience.de`

DNSSEC	⚠️ Not signed
A	199.232.36.95^{🇺🇸 Fastly199.232.36.0/22}
NS	`pdns1.ultradns.net` ⭐
		A	2001:502:f3ff::1^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns1.ultradns.net`
		A	204.74.108.1^{🇺🇸 MAINT-ID-12008204.74.108.0/24 Neustar}
			PTR	`pdns1.ultradns.net`
NS	`pdns2.ultradns.net`
		A	2610:a1:1014::1^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns2.ultradns.net`
		A	204.74.109.1^{🇺🇸 MAINT-ID-12008204.74.109.0/24 Neustar}
			PTR	`pdns2.ultradns.net`
NS	`pdns3.ultradns.org`
		A	2610:a1:1015::1^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns3.ultradns.org`
		A	199.7.68.1^{🇺🇸 MAINT-ID-12008199.7.68.0/24 Neustar}
			PTR	`pdns3.ultradns.org`
NS	`pdns4.ultradns.org`
		A	2001:502:4612::1^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns4.ultradns.org`
		A	199.7.69.1^{🇺🇸 MAINT-ID-12008199.7.69.0/24 Neustar}
			PTR	`pdns4.ultradns.org`
NS	`pdns5.ultradns.info`
		A	2610:a1:1016::1^{🇺🇸 MAINT-ID-120082610:a1:1016::/48 Neustar}
			PTR	`pdns5.ultradns.info`
		A	204.74.114.1^{🇺🇸 MAINT-ID-12008204.74.114.0/24 Neustar}
			PTR	`pdns5.ultradns.info`
NS	`pdns6.ultradns.co.uk`
		A	2610:a1:1017::1^{🇺🇸 MAINT-ID-120082610:a1:1017::/48 Neustar}
			PTR	`pdns6.ultradns.co.uk`
		A	204.74.115.1^{🇺🇸 MAINT-ID-12008204.74.115.0/24 Neustar}
			PTR	`pdns6.ultradns.co.uk`
SOA	`pdns1.ultradns.net`hostmaster@springernature.com 2021-02-04 #9

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1785029641

Same first word

birkhauserscience.net

birkhauserscience.eu

birkhauserscience.com

birkhauserscience.de

DNS History

17 records (7 active, 10 former)

○NSdns1.springer.com2015-07-07 → 2020-03-20 · 4 obs

● 2015-07-07 08:05:50
● 2020-03-20 18:48:34
○ 2026-02-21 16:14:06
○ 2026-07-26 02:05:42

○NSdns2.springer.com2015-07-07 → 2020-03-20 · 4 obs

● 2015-07-07 08:05:50
● 2020-03-20 18:48:34
○ 2026-02-21 16:14:06
○ 2026-07-26 02:05:42

○NSdns4.springer.com2015-07-07 → 2020-03-20 · 4 obs

● 2015-07-07 08:05:50
● 2020-03-20 18:48:34
○ 2026-02-21 16:14:06
○ 2026-07-26 02:05:42

●NSpdns1.ultradns.net2026-02-21 → 2026-07-26 · 3 obs

○ 2020-03-20 18:48:34
● 2026-02-21 16:14:06
● 2026-07-26 02:05:42

●NSpdns2.ultradns.net2026-02-21 → 2026-07-26 · 3 obs

○ 2020-03-20 18:48:34
● 2026-02-21 16:14:06
● 2026-07-26 02:05:42

●NSpdns3.ultradns.org2026-02-21 → 2026-07-26 · 3 obs

○ 2020-03-20 18:48:34
● 2026-02-21 16:14:06
● 2026-07-26 02:05:42

●NSpdns4.ultradns.org2026-02-21 → 2026-07-26 · 3 obs

○ 2020-03-20 18:48:34
● 2026-02-21 16:14:06
● 2026-07-26 02:05:42

●NSpdns5.ultradns.info2026-02-21 → 2026-07-26 · 3 obs

○ 2020-03-20 18:48:34
● 2026-02-21 16:14:06
● 2026-07-26 02:05:42

●NSpdns6.ultradns.co.uk2026-02-21 → 2026-07-26 · 3 obs

○ 2020-03-20 18:48:34
● 2026-02-21 16:14:06
● 2026-07-26 02:05:42

○A146.75.116.952026-04-06 → 2026-06-09 · 7 obs

○ 2026-04-03 09:22:30
● 2026-04-06 04:51:42
○ 2026-04-17 22:08:20
○ 2026-06-02 17:32:46
● 2026-06-09 12:54:44
○ 2026-06-12 22:24:12
○ 2026-07-26 02:05:42

○A146.75.28.952026-02-21 → 2026-06-12 · 21 obs

○ 2020-03-20 18:48:34
● 2026-02-21 16:14:06
○ 2026-02-26 04:49:04
○ 2026-03-04 22:58:56
● 2026-03-21 15:56:54
○ 2026-03-22 16:02:40
○ 2026-03-30 21:56:50
● 2026-04-03 09:22:30
○ 2026-04-06 04:51:42
● 2026-04-17 22:08:20
○ 2026-04-20 14:40:26
○ 2026-04-20 22:22:00
● 2026-04-21 17:36:06
○ 2026-04-27 04:19:36
○ 2026-05-01 16:53:32
● 2026-05-01 22:08:56
○ 2026-05-05 06:06:34
○ 2026-06-09 12:54:44
● 2026-06-12 22:24:12
○ 2026-06-16 03:40:20
○ 2026-07-26 02:05:42

○A146.75.92.952026-02-26 → 2026-07-21 · 42 obs

○ 2026-02-21 16:14:06
● 2026-02-26 04:49:04
● 2026-03-03 06:24:14
○ 2026-03-03 11:05:46
○ 2026-03-21 15:56:54
● 2026-03-22 16:02:40
● 2026-03-30 21:56:50
○ 2026-04-03 09:22:30
○ 2026-04-20 15:52:24
● 2026-04-20 22:22:00
○ 2026-04-21 17:36:06
● 2026-04-27 04:19:36
● 2026-04-27 05:27:00
○ 2026-04-28 03:59:30
● 2026-04-28 05:17:24
● 2026-04-28 11:47:42
○ 2026-04-28 12:46:38
● 2026-05-01 16:53:32
○ 2026-05-01 22:08:56
○ 2026-05-05 07:21:02
● 2026-05-05 14:46:54
○ 2026-05-07 01:37:38
○ 2026-05-08 16:57:48
● 2026-05-12 03:46:42
● 2026-05-19 05:10:12
○ 2026-05-19 12:39:26
○ 2026-05-26 04:06:14
● 2026-05-26 05:32:00
● 2026-05-26 12:10:34
○ 2026-05-26 13:11:16
● 2026-06-02 07:33:54
○ 2026-06-02 17:32:46
○ 2026-06-16 03:40:20
● 2026-06-16 04:37:48
○ 2026-06-16 12:27:10
● 2026-06-23 03:38:04
○ 2026-06-30 05:06:36
● 2026-07-14 04:46:46
○ 2026-07-15 02:25:52
● 2026-07-21 03:34:50
○ 2026-07-21 04:42:14
○ 2026-07-26 02:05:42

○A151.101.204.952026-03-04 → 2026-07-16 · 9 obs

○ 2026-03-03 11:05:46
● 2026-03-04 22:58:56
○ 2026-03-21 15:56:54
○ 2026-05-05 14:46:54
● 2026-05-07 01:37:38
○ 2026-05-08 16:57:48
● 2026-07-16 16:21:28
○ 2026-07-21 03:34:50
○ 2026-07-26 02:05:42

○A151.101.40.952026-03-03 → 2026-07-21 · 41 obs

○ 2026-03-03 06:24:14
● 2026-03-03 11:05:46
○ 2026-03-04 22:58:56
○ 2026-04-17 22:08:20
● 2026-04-20 14:40:26
● 2026-04-20 15:52:24
○ 2026-04-20 22:22:00
○ 2026-04-27 05:27:00
● 2026-04-28 03:59:30
○ 2026-04-28 05:17:24
○ 2026-04-28 11:47:42
● 2026-04-28 12:46:38
○ 2026-05-01 16:53:32
○ 2026-05-01 22:08:56
● 2026-05-05 06:06:34
● 2026-05-05 07:21:02
○ 2026-05-05 14:46:54
○ 2026-05-07 01:37:38
● 2026-05-08 16:57:48
○ 2026-05-12 03:46:42
○ 2026-05-19 05:10:12
● 2026-05-19 12:39:26
● 2026-05-26 04:06:14
○ 2026-05-26 05:32:00
○ 2026-05-26 12:10:34
● 2026-05-26 13:11:16
○ 2026-06-02 07:33:54
● 2026-06-02 17:32:46
○ 2026-06-09 12:54:44
○ 2026-06-12 22:24:12
● 2026-06-16 03:40:20
○ 2026-06-16 04:37:48
● 2026-06-16 12:27:10
○ 2026-06-23 03:38:04
● 2026-07-14 03:38:24
○ 2026-07-14 04:46:46
● 2026-07-15 02:25:52
○ 2026-07-16 16:21:28
● 2026-07-21 04:42:14
○ 2026-07-26 02:05:38
○ 2026-07-26 02:05:42

○A195.128.8.1342017-03-18 → 2020-03-20 · 5 obs

○ 2016-05-04 18:24:32
● 2017-03-18 03:09:34
● 2020-03-20 18:48:34
○ 2026-02-21 16:14:06
○ 2026-07-26 02:05:42

●A199.232.36.952026-07-26 → 2026-07-26 · 3 obs

○ 2026-07-21 04:42:14
● 2026-07-26 02:05:38
● 2026-07-26 02:05:42

○A62.50.45.352015-07-07 → 2016-05-04 · 4 obs

● 2015-07-07 08:05:50
● 2016-05-04 18:24:32
○ 2017-03-18 03:09:34
○ 2026-07-26 02:05:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
birkhauserscience.de	pdns3.ultradns.org, pdns5.ultradns.info, pdns1.ultradns.net, pdns6.ultradns.co.uk...	-

✅ Authoritative Response

Server:199.7.68.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for birkhauserscience.de (unsigned zone)

⏱️ Timing

Total: 764ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`146.75.28.95`
NS	6	`pdns1.ultradns.net, pdns2.ultradns.net...`
SOA	1	`pdns1.ultradns.net hostmaster.springerna`

Analysis

IP Addresses

birkhauserscience.de resolves to one IP address: 199.232.36.95.

gerthsen-physik.de, vacaturesvooranesthesisten.nl, birkhauser-science.com and two other host names share IP numbers with birkhauserscience.de.

Name Servers

birkhauserscience.de is delegated to 6 name servers: pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net and 3 other.

There is at least partial name server overlap between birkhauserscience.de and other domains — smartseedchoice.com, pakistantravelguru.com, expediacafe.sr and two more among them.

These name servers regularly appear alongside pdns3.ultradns.org, pdns4.ultradns.org, pdns6.ultradns.co.uk and 3 other name servers in NS record sets.

Hostnames that resolve to two IP addresses:

pdns5.ultradns.info points to 204.74.114.1 and 2610:a1:1016::1.

pdns1.ultradns.net points to 204.74.108.1 and 2001:502:f3ff::1.

pdns2.ultradns.net points to 204.74.109.1 and 2610:a1:1014::1.

pdns3.ultradns.org points to 199.7.68.1 and 2610:a1:1015::1.

pdns4.ultradns.org points to 199.7.69.1 and 2001:502:4612::1.

pdns6.ultradns.co.uk points to 204.74.115.1 and 2610:a1:1017::1.