samcoscientific.com - robtex.com

samcoscientific.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
MXfilter.fishersci.com ⭐
A12.46.238.7🇺🇸 AS1381212.46.238.0/24 Fibertech
MXfilter2.fishersci.com ⭐
A12.46.238.28🇺🇸 AS1381212.46.238.0/24 Fibertech
MXmail3.fishersci.com ⭐
A12.46.238.91🇺🇸 AS1381212.46.238.0/24 Fibertech
MXmail4.fishersci.com ⭐
A12.46.238.92🇺🇸 AS1381212.46.238.0/24 Fibertech
SOApdns1.ultradns.netdnsinfo@thermofisher.com 2011-07-13 #18

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=1774515122

Same first word

samcoscientific.biz
samcoscientific.net
samcoscientific.com

DNS History

16 records (10 active, 6 former)

200920112013201520172019202120232025NSpdns1.ultradns.netpdns2.ultradns.netpdns3.ultradns.orgpdns4.ultradns.orgpdns5.ultradns.infopdns6.ultradns.co.ukfsc1.fishersci.comfsc2.fishersci.comfsc3.fishersci.comMXfilter.fishersci.comfilter2.fishersci.commail3.fishersci.commail4.fishersci.commail.fishersci.commail.nalgenunc.commail2.fishersci.com
○NSfsc1.fishersci.com2008-03-19 → 2008-03-19 · 3 obs
● 2008-03-19 06:08:54
○ 2015-08-07 15:33:52
○ 2026-03-26 09:21:18
○NSfsc2.fishersci.com2008-03-19 → 2008-03-19 · 3 obs
● 2008-03-19 06:08:54
○ 2015-08-07 15:33:52
○ 2026-03-26 09:21:18
○NSfsc3.fishersci.com2008-03-19 → 2008-03-19 · 3 obs
● 2008-03-19 06:08:54
○ 2015-08-07 15:33:52
○ 2026-03-26 09:21:18
●NSpdns1.ultradns.net2015-08-07 → 2026-03-26 · 3 obs
○ 2008-03-19 06:08:54
● 2015-08-07 15:33:52
● 2026-03-26 09:21:18
●NSpdns2.ultradns.net2015-08-07 → 2026-03-26 · 3 obs
○ 2008-03-19 06:08:54
● 2015-08-07 15:33:52
● 2026-03-26 09:21:18
●NSpdns3.ultradns.org2015-08-07 → 2026-03-26 · 3 obs
○ 2008-03-19 06:08:54
● 2015-08-07 15:33:52
● 2026-03-26 09:21:18
●NSpdns4.ultradns.org2015-08-07 → 2026-03-26 · 3 obs
○ 2008-03-19 06:08:54
● 2015-08-07 15:33:52
● 2026-03-26 09:21:18
●NSpdns5.ultradns.info2015-08-07 → 2026-03-26 · 3 obs
○ 2008-03-19 06:08:54
● 2015-08-07 15:33:52
● 2026-03-26 09:21:18
●NSpdns6.ultradns.co.uk2015-08-07 → 2026-03-26 · 3 obs
○ 2008-03-19 06:08:54
● 2015-08-07 15:33:52
● 2026-03-26 09:21:18
●MXfilter.fishersci.com2015-08-07 → 2026-03-26 · 3 obs
○ 2008-03-19 06:08:54
● 2015-08-07 15:33:52
● 2026-03-26 09:21:18
●MXfilter2.fishersci.com2015-08-07 → 2026-03-26 · 3 obs
○ 2008-03-19 06:08:54
● 2015-08-07 15:33:52
● 2026-03-26 09:21:18
○MXmail.fishersci.com2008-03-19 → 2008-03-19 · 3 obs
● 2008-03-19 06:08:54
○ 2015-08-07 15:33:52
○ 2026-03-26 09:21:18
○MXmail.nalgenunc.com2008-03-19 → 2008-03-19 · 3 obs
● 2008-03-19 06:08:54
○ 2015-08-07 15:33:52
○ 2026-03-26 09:21:18
○MXmail2.fishersci.com2008-03-19 → 2008-03-19 · 3 obs
● 2008-03-19 06:08:54
○ 2015-08-07 15:33:52
○ 2026-03-26 09:21:18
●MXmail3.fishersci.com2008-03-19 → 2026-03-26 · 2 obs
● 2008-03-19 06:08:54
● 2026-03-26 09:21:18
●MXmail4.fishersci.com2008-03-19 → 2026-03-26 · 2 obs
● 2008-03-19 06:08:54
● 2026-03-26 09:21:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...-
samcoscientific.compdns3.ultradns.org, pdns4.ultradns.org, pdns1.ultradns.net, pdns2.ultradns.net...-

✅ Authoritative Response

Server:204.74.109.1

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 samcoscientific.com (unsigned zone)

⏱️ Timing

Total: 856ms | Queries: -

📄 Records

TypeCountSample Data
NS6pdns1.ultradns.net, pdns2.ultradns.net...
MX4mail3.fishersci.com (pri: 50), mail4.fishersci.com (pri: 50)...
SOA1pdns1.ultradns.net dnsinfo.thermofisher.

Analysis

Name Servers

samcoscientific.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.

samcoscientific.com at least partially shares name servers with other domains, for instance 1.a.3.9.0.0.8.8.0.2.c.a.3.0.0.0.0.0.4.a.5.6.3.2.0.0.0.9.0.0.6.2.ip6.arpa, expedia.info, buyvip.cl, westdeutscherverlag.de and hotelpreisindex.info.

These name servers are commonly used alongside udns1.ultradns.net, dns-external-master.amazon.com, dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net and dns4.p01.nsone.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

Four mail servers handle samcoscientific.com: filter2.fishersci.com, filter.fishersci.com, mail3.fishersci.com and mail4.fishersci.com.

samcoscientific.com shares some mail servers with other domains, at least partially, for instance pyroclean.com, radiometrie.com, richardallenscientific.com, fisherantibodies.com and matrixtechcorp.biz.

Host names with one IP number: filter2.fishersci.com points to 12.46.238.28; filter.fishersci.com points to 12.46.238.7; mail3.fishersci.com points to 12.46.238.91; mail4.fishersci.com points to 12.46.238.92.