biology-central.com - robtex.com

biology-central.com

DNSSEC⚠️ Not signed
NSpdns1.ultradns.net ⭐
A2001:502:f3ff::1🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRpdns1.ultradns.net
A204.74.108.1🇺🇸 MAINT-ID-12008204.74.108.0/24 Neustar
PTRpdns1.ultradns.net
NSpdns2.ultradns.net
A2610:a1:1014::1🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRpdns2.ultradns.net
A204.74.109.1🇺🇸 MAINT-ID-12008204.74.109.0/24 Neustar
PTRpdns2.ultradns.net
NSpdns3.ultradns.org
A2610:a1:1015::1🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRpdns3.ultradns.org
A199.7.68.1🇺🇸 MAINT-ID-12008199.7.68.0/24 Neustar
PTRpdns3.ultradns.org
NSpdns4.ultradns.org
A2001:502:4612::1🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRpdns4.ultradns.org
A199.7.69.1🇺🇸 MAINT-ID-12008199.7.69.0/24 Neustar
PTRpdns4.ultradns.org
NSpdns5.ultradns.info
A2610:a1:1016::1🇺🇸 MAINT-ID-120082610:a1:1016::/48 Neustar
PTRpdns5.ultradns.info
A204.74.114.1🇺🇸 MAINT-ID-12008204.74.114.0/24 Neustar
PTRpdns5.ultradns.info
NSpdns6.ultradns.co.uk
A2610:a1:1017::1🇺🇸 MAINT-ID-120082610:a1:1017::/48 Neustar
PTRpdns6.ultradns.co.uk
A204.74.115.1🇺🇸 MAINT-ID-12008204.74.115.0/24 Neustar
PTRpdns6.ultradns.co.uk
SOApdns1.ultradns.nethostmaster@springer.com 2009-01-01 #22

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1775336097

Same first word

biology-central.com
biology-central.org
biology-central.net

DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSpdns1.ultradns.netpdns2.ultradns.netpdns3.ultradns.orgpdns4.ultradns.orgpdns5.ultradns.infopdns6.ultradns.co.ukns10.dnsmadeeasy.comns11.dnsmadeeasy.comns12.dnsmadeeasy.comns13.dnsmadeeasy.comns14.dnsmadeeasy.comns15.dnsmadeeasy.com
○NSns10.dnsmadeeasy.com2015-08-01 → 2017-03-15 · 4 obs
● 2015-08-01 11:22:46
● 2017-03-15 11:13:54
○ 2026-03-21 15:56:22
○ 2026-04-04 21:14:16
○NSns11.dnsmadeeasy.com2015-08-01 → 2017-03-15 · 4 obs
● 2015-08-01 11:22:46
● 2017-03-15 11:13:54
○ 2026-03-21 15:56:22
○ 2026-04-04 21:14:16
○NSns12.dnsmadeeasy.com2015-08-01 → 2017-03-15 · 4 obs
● 2015-08-01 11:22:46
● 2017-03-15 11:13:54
○ 2026-03-21 15:56:22
○ 2026-04-04 21:14:16
○NSns13.dnsmadeeasy.com2015-08-01 → 2017-03-15 · 4 obs
● 2015-08-01 11:22:46
● 2017-03-15 11:13:54
○ 2026-03-21 15:56:22
○ 2026-04-04 21:14:16
○NSns14.dnsmadeeasy.com2015-08-01 → 2017-03-15 · 4 obs
● 2015-08-01 11:22:46
● 2017-03-15 11:13:54
○ 2026-03-21 15:56:22
○ 2026-04-04 21:14:16
○NSns15.dnsmadeeasy.com2015-08-01 → 2017-03-15 · 4 obs
● 2015-08-01 11:22:46
● 2017-03-15 11:13:54
○ 2026-03-21 15:56:22
○ 2026-04-04 21:14:16
●NSpdns1.ultradns.net2026-03-21 → 2026-04-04 · 3 obs
○ 2017-03-15 11:13:54
● 2026-03-21 15:56:22
● 2026-04-04 21:14:16
●NSpdns2.ultradns.net2026-03-21 → 2026-04-04 · 3 obs
○ 2017-03-15 11:13:54
● 2026-03-21 15:56:22
● 2026-04-04 21:14:16
●NSpdns3.ultradns.org2026-03-21 → 2026-04-04 · 3 obs
○ 2017-03-15 11:13:54
● 2026-03-21 15:56:22
● 2026-04-04 21:14:16
●NSpdns4.ultradns.org2026-03-21 → 2026-04-04 · 3 obs
○ 2017-03-15 11:13:54
● 2026-03-21 15:56:22
● 2026-04-04 21:14:16
●NSpdns5.ultradns.info2026-03-21 → 2026-04-04 · 3 obs
○ 2017-03-15 11:13:54
● 2026-03-21 15:56:22
● 2026-04-04 21:14:16
●NSpdns6.ultradns.co.uk2026-03-21 → 2026-04-04 · 3 obs
○ 2017-03-15 11:13:54
● 2026-03-21 15:56:22
● 2026-04-04 21:14:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
biology-central.compdns3.ultradns.org, pdns4.ultradns.org, pdns1.ultradns.net, pdns2.ultradns.net...-

✅ Authoritative Response

Server:204.74.115.1

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 biology-central.com (unsigned zone)

⏱️ Timing

Total: 312ms | Queries: -

📄 Records

TypeCountSample Data
NS6pdns1.ultradns.net, pdns2.ultradns.net...
SOA1pdns1.ultradns.net hostmaster.springer.c

Analysis

Name Servers

biology-central.com 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.

biology-central.com partially shares name servers with other domains; examples include 159.138.108.in-addr.arpa, 39.132.70.in-addr.arpa, expedia-holidays.org, 61.77.99.in-addr.arpa and travevlocity.com.

These name servers are commonly used alongside udns1.ultradns.net, udns2.ultradns.net, dns-external-master.amazon.com, x1.amazonaws.com, x2.amazonaws.com, x3.amazonaws.org, x4.amazonaws.org, ns1.amzndns.com and ns2.amzndns.com.

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.