`journalofbiology.com`

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 2009-01-01 #20

`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=1786240424

Same first word

journalofbiology.com

journalofbiology.org

DNS History

12 records (6 active, 6 former)

○NSns10.dnsmadeeasy.com2015-07-12 → 2020-01-11 · 5 obs

○ 2008-03-20 15:59:02
● 2015-07-12 13:11:02
● 2020-01-11 04:08:50
○ 2026-02-21 16:15:18
○ 2026-08-09 02:04:34

○NSns11.dnsmadeeasy.com2015-07-12 → 2020-01-11 · 5 obs

○ 2008-03-20 15:59:02
● 2015-07-12 13:11:02
● 2020-01-11 04:08:50
○ 2026-02-21 16:15:18
○ 2026-08-09 02:04:34

○NSns12.dnsmadeeasy.com2015-07-12 → 2020-01-11 · 5 obs

○ 2008-03-20 15:59:02
● 2015-07-12 13:11:02
● 2020-01-11 04:08:50
○ 2026-02-21 16:15:18
○ 2026-08-09 02:04:34

○NSns13.dnsmadeeasy.com2015-07-12 → 2020-01-11 · 5 obs

○ 2008-03-20 15:59:02
● 2015-07-12 13:11:02
● 2020-01-11 04:08:50
○ 2026-02-21 16:15:18
○ 2026-08-09 02:04:34

○NSns14.dnsmadeeasy.com2015-07-12 → 2020-01-11 · 5 obs

○ 2008-03-20 15:59:02
● 2015-07-12 13:11:02
● 2020-01-11 04:08:50
○ 2026-02-21 16:15:18
○ 2026-08-09 02:04:34

○NSns15.dnsmadeeasy.com2015-07-12 → 2020-01-11 · 5 obs

○ 2008-03-20 15:59:02
● 2015-07-12 13:11:02
● 2020-01-11 04:08:50
○ 2026-02-21 16:15:18
○ 2026-08-09 02:04:34

●NSpdns1.ultradns.net2026-02-21 → 2026-08-09 · 3 obs

○ 2020-01-11 04:08:50
● 2026-02-21 16:15:18
● 2026-08-09 02:04:34

●NSpdns2.ultradns.net2026-02-21 → 2026-08-09 · 3 obs

○ 2020-01-11 04:08:50
● 2026-02-21 16:15:18
● 2026-08-09 02:04:34

●NSpdns3.ultradns.org2026-02-21 → 2026-08-09 · 3 obs

○ 2020-01-11 04:08:50
● 2026-02-21 16:15:18
● 2026-08-09 02:04:34

●NSpdns4.ultradns.org2026-02-21 → 2026-08-09 · 3 obs

○ 2020-01-11 04:08:50
● 2026-02-21 16:15:18
● 2026-08-09 02:04:34

●NSpdns5.ultradns.info2026-02-21 → 2026-08-09 · 3 obs

○ 2020-01-11 04:08:50
● 2026-02-21 16:15:18
● 2026-08-09 02:04:34

●NSpdns6.ultradns.co.uk2026-02-21 → 2026-08-09 · 3 obs

○ 2020-01-11 04:08:50
● 2026-02-21 16:15:18
● 2026-08-09 02:04:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
journalofbiology.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 journalofbiology.com (unsigned zone)

⏱️ Timing

Total: 390ms | Queries: -

📄 Records

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

Analysis

Name Servers

journalofbiology.com has 6 name servers — pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net and 3 others.

journalofbiology.com has at least partial name server overlap with other domains, such as boomberg.net, advertiserservices.com, traveldoo.cruises and two others.

pdns3.ultradns.org, pdns4.ultradns.org and pdns6.ultradns.co.uk — plus 7 other name servers — are commonly paired with these name servers.

Host names that have two IP addresses:

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

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

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

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

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

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