`springer-open.com`

DNSSEC	⚠️ Not signed
A	204.74.99.100^{🇺🇸 MAINT-ID-12008204.74.99.0/24 Neustar}
		PTR	`crs.ultradns.net`
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@springer.com 2009-01-01 #38

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1783723082

Same first word

springer-open.co.uk

springer-open.com

springer-open.de

DNS History

17 records (7 active, 10 former)

○NSns10.dnsmadeeasy.com2015-06-03 → 2017-08-20 · 4 obs

● 2015-06-03 19:34:00
● 2017-08-20 10:40:34
○ 2026-02-21 16:13:34
○ 2026-07-10 22:57:22

○NSns11.dnsmadeeasy.com2015-06-03 → 2017-08-20 · 4 obs

● 2015-06-03 19:34:00
● 2017-08-20 10:40:34
○ 2026-02-21 16:13:34
○ 2026-07-10 22:57:22

○NSns12.dnsmadeeasy.com2015-06-03 → 2017-08-20 · 4 obs

● 2015-06-03 19:34:00
● 2017-08-20 10:40:34
○ 2026-02-21 16:13:34
○ 2026-07-10 22:57:22

○NSns13.dnsmadeeasy.com2015-06-03 → 2017-08-20 · 4 obs

● 2015-06-03 19:34:00
● 2017-08-20 10:40:34
○ 2026-02-21 16:13:34
○ 2026-07-10 22:57:22

○NSns14.dnsmadeeasy.com2015-06-03 → 2017-08-20 · 4 obs

● 2015-06-03 19:34:00
● 2017-08-20 10:40:34
○ 2026-02-21 16:13:34
○ 2026-07-10 22:57:22

○NSns15.dnsmadeeasy.com2015-06-03 → 2017-08-20 · 4 obs

● 2015-06-03 19:34:00
● 2017-08-20 10:40:34
○ 2026-02-21 16:13:34
○ 2026-07-10 22:57:22

●NSpdns1.ultradns.net2026-02-21 → 2026-07-10 · 3 obs

○ 2017-08-20 10:40:34
● 2026-02-21 16:13:34
● 2026-07-10 22:57:22

●NSpdns2.ultradns.net2026-02-21 → 2026-07-10 · 3 obs

○ 2017-08-20 10:40:34
● 2026-02-21 16:13:34
● 2026-07-10 22:57:22

●NSpdns3.ultradns.org2026-02-21 → 2026-07-10 · 3 obs

○ 2017-08-20 10:40:34
● 2026-02-21 16:13:34
● 2026-07-10 22:57:22

●NSpdns4.ultradns.org2026-02-21 → 2026-07-10 · 3 obs

○ 2017-08-20 10:40:34
● 2026-02-21 16:13:34
● 2026-07-10 22:57:22

●NSpdns5.ultradns.info2026-02-21 → 2026-07-10 · 3 obs

○ 2017-08-20 10:40:34
● 2026-02-21 16:13:34
● 2026-07-10 22:57:22

●NSpdns6.ultradns.co.uk2026-02-21 → 2026-07-10 · 3 obs

○ 2017-08-20 10:40:34
● 2026-02-21 16:13:34
● 2026-07-10 22:57:22

●A204.74.99.1002026-02-21 → 2026-07-10 · 3 obs

○ 2017-08-20 10:40:34
● 2026-02-21 16:13:34
● 2026-07-10 22:57:22

○A96.45.82.1092015-06-03 → 2017-08-20 · 4 obs

● 2015-06-03 19:34:00
● 2017-08-20 10:40:34
○ 2026-02-21 16:13:34
○ 2026-07-10 22:57:22

○A96.45.82.2482015-06-03 → 2017-08-20 · 4 obs

● 2015-06-03 19:34:00
● 2017-08-20 10:40:34
○ 2026-02-21 16:13:34
○ 2026-07-10 22:57:22

○A96.45.83.2242015-06-03 → 2017-08-20 · 4 obs

● 2015-06-03 19:34:00
● 2017-08-20 10:40:34
○ 2026-02-21 16:13:34
○ 2026-07-10 22:57:22

○A96.45.83.392015-06-03 → 2017-08-20 · 4 obs

● 2015-06-03 19:34:00
● 2017-08-20 10:40:34
○ 2026-02-21 16:13:34
○ 2026-07-10 22:57:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
springer-open.com	pdns3.ultradns.org, pdns4.ultradns.org, pdns1.ultradns.net, pdns2.ultradns.net...	-

✅ Authoritative Response

Server:199.7.69.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for springer-open.com (unsigned zone)

⏱️ Timing

Total: 261ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`204.74.99.100`
NS	6	`pdns1.ultradns.net, pdns2.ultradns.net...`
SOA	1	`pdns1.ultradns.net hostmaster.springer.c`

Analysis

IP Addresses

springer-open.com has exactly one IP address — 204.74.99.100.

help.petsmart.com, community.kinaxis.com, descubracenterwellorlando.com plus two other host names have IP numbers in common with springer-open.com.

Name Servers

springer-open.com delegates authority to 6 name servers: pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net plus 3 other.

At least some of springer-open.com's name servers are shared with other domains, for example citizensmortgagewholesale.com, chirurgiecongres.nl, termct.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 pointing to two IP addresses:

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

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

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

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

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

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