`authenticatieserver.nl`

DNSSEC	⚠️ Not signed
A	77.245.91.46^{🇳🇱 KPN-INTERNEDSERVICES77.245.80.0/20 KPN Internedservices}
		PTR	`cluster28.e-active.nl`
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`
MX	`mx1-class2-grp1.springernature.com` ⭐
MX	`mx2-class2-grp1.springernature.com` ⭐
SOA	`pdns1.ultradns.net`hostmaster@springer.com 2015-11-11 #13

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-04-12 19:00:01 +0000 (EPOCH 1776020401)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-04-12 #38

Same first word

authenticatieserver.nl

DNS History

18 records (9 active, 9 former)

○NSdns1.springer.com2015-06-04 → 2018-01-24 · 4 obs

● 2015-06-04 23:32:50
● 2018-01-24 23:03:14
○ 2026-02-21 16:15:44
○ 2026-04-12 19:54:04

○NSdns2.springer.com2015-06-04 → 2018-01-24 · 4 obs

● 2015-06-04 23:32:50
● 2018-01-24 23:03:14
○ 2026-02-21 16:15:44
○ 2026-04-12 19:54:04

○NSdns4.springer.com2015-06-04 → 2018-01-24 · 4 obs

● 2015-06-04 23:32:50
● 2018-01-24 23:03:14
○ 2026-02-21 16:15:44
○ 2026-04-12 19:54:04

●NSpdns1.ultradns.net2026-02-21 → 2026-04-12 · 3 obs

○ 2018-01-24 23:03:14
● 2026-02-21 16:15:44
● 2026-04-12 19:54:04

●NSpdns2.ultradns.net2026-02-21 → 2026-04-12 · 3 obs

○ 2018-01-24 23:03:14
● 2026-02-21 16:15:44
● 2026-04-12 19:54:04

●NSpdns3.ultradns.org2026-02-21 → 2026-04-12 · 3 obs

○ 2018-01-24 23:03:14
● 2026-02-21 16:15:44
● 2026-04-12 19:54:04

●NSpdns4.ultradns.org2026-02-21 → 2026-04-12 · 3 obs

○ 2018-01-24 23:03:14
● 2026-02-21 16:15:44
● 2026-04-12 19:54:04

●NSpdns5.ultradns.info2026-02-21 → 2026-04-12 · 3 obs

○ 2018-01-24 23:03:14
● 2026-02-21 16:15:44
● 2026-04-12 19:54:04

●NSpdns6.ultradns.co.uk2026-02-21 → 2026-04-12 · 3 obs

○ 2018-01-24 23:03:14
● 2026-02-21 16:15:44
● 2026-04-12 19:54:04

○MXalt1.aspmx.l.google.com2015-06-04 → 2018-01-24 · 4 obs

● 2015-06-04 23:32:50
● 2018-01-24 23:03:14
○ 2026-02-21 16:15:44
○ 2026-04-12 19:54:04

○MXalt2.aspmx.l.google.com2015-06-04 → 2018-01-24 · 4 obs

● 2015-06-04 23:32:50
● 2018-01-24 23:03:14
○ 2026-02-21 16:15:44
○ 2026-04-12 19:54:04

○MXalt3.aspmx.l.google.com2015-06-04 → 2018-01-24 · 4 obs

● 2015-06-04 23:32:50
● 2018-01-24 23:03:14
○ 2026-02-21 16:15:44
○ 2026-04-12 19:54:04

○MXalt4.aspmx.l.google.com2015-06-04 → 2018-01-24 · 4 obs

● 2015-06-04 23:32:50
● 2018-01-24 23:03:14
○ 2026-02-21 16:15:44
○ 2026-04-12 19:54:04

○MXaspmx.l.google.com2015-06-04 → 2018-01-24 · 4 obs

● 2015-06-04 23:32:50
● 2018-01-24 23:03:14
○ 2026-02-21 16:15:44
○ 2026-04-12 19:54:04

●MXmx1-class2-grp1.springernature.com2026-02-21 → 2026-04-12 · 3 obs

○ 2018-01-24 23:03:14
● 2026-02-21 16:15:44
● 2026-04-12 19:54:04

●MXmx2-class2-grp1.springernature.com2026-02-21 → 2026-04-12 · 3 obs

○ 2018-01-24 23:03:14
● 2026-02-21 16:15:44
● 2026-04-12 19:54:04

●A77.245.91.462016-01-04 → 2026-04-12 · 3 obs

○ 2015-10-19 10:23:58
● 2016-01-04 04:22:28
● 2026-04-12 19:54:04

○A84.17.165.2162015-06-04 → 2015-10-19 · 4 obs

● 2015-06-04 23:32:50
● 2015-10-19 10:23:58
○ 2016-01-04 04:22:28
○ 2026-04-12 19:54:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
authenticatieserver.nl	pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org...	-

✅ Authoritative Response

Server:204.74.115.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for authenticatieserver.nl (unsigned zone)

⏱️ Timing

Total: 565ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.245.91.46`
NS	6	`pdns1.ultradns.net, pdns2.ultradns.net...`
MX	2	`mx1-class2-grp1.springernature.com (pri:, mx2-class2-grp1.springernature.com (pri:`
SOA	1	`pdns1.ultradns.net hostmaster.springer.c`

Analysis

IP Addresses

authenticatieserver.nl points to a single IP number: 77.245.91.46.

Other host names, for instance mednetpraktijk.nl, share IP numbers with authenticatieserver.nl.

Name Servers

authenticatieserver.nl is delegated to six name servers: pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org and pdns6.ultradns.co.uk.

authenticatieserver.nl at least partially shares name servers with other domains, for instance 196.67.18.in-addr.arpa, springernature.com, h-d-stars.com, rtavelocity.com and adultforce.com.

These name servers are often used with udns1.ultradns.net and udns2.ultradns.net.

Host names with two IP numbers:

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

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

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

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

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

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

Mail Servers

authenticatieserver.nl is handled by two mail servers: mx1-class2-grp1.springernature.com and mx2-class2-grp1.springernature.com.

authenticatieserver.nl shares the same mail server setup as other domains, for instance bandungjournal.com, jfrugal.com, genomebiology.com, izajolp.com and jmt-journal.com.

authenticatieserver.nl shares mail servers with other domains at least partially, including journal-jger.com, environmentalsystemsresearch.com, icm-experimental.com, jnanochem.com and mammp-journal.com.

authenticatieserver.nl - robtex.com