`springer-sbm.info`

DNSSEC	⚠️ Not signed
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 2015-04-21 #15

`info`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.info.afilias-nst.info` ⭐
	NS	`a2.info.afilias-nst.info`
	NS	`b0.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`b2.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`c0.info.afilias-nst.info`
	NS	`d0.info.afilias-nst.org` ⚠️ Not in parent delegation
	SOA	`a0.info.afilias-nst.info`hostmaster@donuts.email serial=1774496081

Same first word

springer-sbm.info

springer-sbm.biz

springer-sbm.com

springer-sbm.de

springer-sbm.nl

springer-sbm.org

springer-sbm.net

DNS History

17 records (6 active, 11 former)

○NSdns1.springer.com2015-05-24 → 2018-11-07 · 4 obs

● 2015-05-24 01:25:20
● 2018-11-07 14:40:44
○ 2026-02-21 16:18:12
○ 2026-03-26 03:46:02

○NSdns2.springer.com2015-05-24 → 2018-11-07 · 4 obs

● 2015-05-24 01:25:20
● 2018-11-07 14:40:44
○ 2026-02-21 16:18:12
○ 2026-03-26 03:46:02

○NSdns4.springer.com2015-05-24 → 2018-11-07 · 4 obs

● 2015-05-24 01:25:20
● 2018-11-07 14:40:44
○ 2026-02-21 16:18:12
○ 2026-03-26 03:46:02

●NSpdns1.ultradns.net2026-02-21 → 2026-03-26 · 3 obs

○ 2018-11-07 14:40:44
● 2026-02-21 16:18:12
● 2026-03-26 03:46:02

●NSpdns2.ultradns.net2026-02-21 → 2026-03-26 · 3 obs

○ 2018-11-07 14:40:44
● 2026-02-21 16:18:12
● 2026-03-26 03:46:02

●NSpdns3.ultradns.org2026-02-21 → 2026-03-26 · 3 obs

○ 2018-11-07 14:40:44
● 2026-02-21 16:18:12
● 2026-03-26 03:46:02

●NSpdns4.ultradns.org2026-02-21 → 2026-03-26 · 3 obs

○ 2018-11-07 14:40:44
● 2026-02-21 16:18:12
● 2026-03-26 03:46:02

●NSpdns5.ultradns.info2026-02-21 → 2026-03-26 · 3 obs

○ 2018-11-07 14:40:44
● 2026-02-21 16:18:12
● 2026-03-26 03:46:02

●NSpdns6.ultradns.co.uk2026-02-21 → 2026-03-26 · 3 obs

○ 2018-11-07 14:40:44
● 2026-02-21 16:18:12
● 2026-03-26 03:46:02

○MXalt1.aspmx.l.google.com2015-05-24 → 2017-02-02 · 4 obs

● 2015-05-24 01:25:20
● 2017-02-02 08:06:38
○ 2018-11-07 14:40:44
○ 2026-03-26 03:46:02

○MXalt2.aspmx.l.google.com2015-05-24 → 2017-02-02 · 4 obs

● 2015-05-24 01:25:20
● 2017-02-02 08:06:38
○ 2018-11-07 14:40:44
○ 2026-03-26 03:46:02

○MXalt3.aspmx.l.google.com2015-05-24 → 2017-02-02 · 4 obs

● 2015-05-24 01:25:20
● 2017-02-02 08:06:38
○ 2018-11-07 14:40:44
○ 2026-03-26 03:46:02

○MXalt4.aspmx.l.google.com2015-05-24 → 2017-02-02 · 4 obs

● 2015-05-24 01:25:20
● 2017-02-02 08:06:38
○ 2018-11-07 14:40:44
○ 2026-03-26 03:46:02

○MXaspmx.l.google.com2015-05-24 → 2017-02-02 · 4 obs

● 2015-05-24 01:25:20
● 2017-02-02 08:06:38
○ 2018-11-07 14:40:44
○ 2026-03-26 03:46:02

○MXmxa-002c5801.gslb.pphosted.com2018-11-07 → 2018-11-07 · 4 obs

○ 2017-02-02 08:06:38
● 2018-11-07 14:40:44
○ 2026-02-21 16:18:12
○ 2026-03-26 03:46:02

○MXmxb-002c5801.gslb.pphosted.com2018-11-07 → 2018-11-07 · 4 obs

○ 2017-02-02 08:06:38
● 2018-11-07 14:40:44
○ 2026-02-21 16:18:12
○ 2026-03-26 03:46:02

○A192.87.158.2272015-05-24 → 2018-11-07 · 4 obs

● 2015-05-24 01:25:20
● 2018-11-07 14:40:44
○ 2026-02-21 16:18:12
○ 2026-03-26 03:46:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
info	a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info	-
springer-sbm.info	pdns2.ultradns.net, pdns3.ultradns.org, pdns5.ultradns.info, pdns4.ultradns.org...	2 records

✅ Authoritative Response

Server:204.74.114.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for springer-sbm.info (unsigned zone)

⏱️ Timing

Total: 2299ms | Queries: -

📄 Records

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

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (pdns5.ultradns.info, pdns5.ultradns.info)

Analysis

Name Servers

springer-sbm.info 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.

springer-sbm.info at least partially shares name servers with other domains, for instance acx.com, chicago-mondrian.net, nortonallow.com, theorbitz.com and ingrammicroignite.com.

these name servers are commonly used with udns1.ultradns.net, udns2.ultradns.net, dns-external-master.amazon.com, x1.amazonaws.com, x2.amazonaws.com, x3.amazonaws.org and x4.amazonaws.org.

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.

springer-sbm.info - robtex.com