calscience.com - robtex.com

calscience.com

DNSSEC🔒 Signed (DS record present)
A81.92.80.55🇫🇷 NAMESHIELD
PTRsaspresence.perf1.com
A81.92.80.56🇫🇷 NAMESHIELD
NSnsa.perf1.fr ⭐ 🔒
A2a01:c8:100::100🇫🇷 NAMESHIELD
PTRnsa.perf1.fr
A81.92.94.100🇫🇷 NAMESHIELD
PTRnsa.perf1.fr
NSnsb.perf1.com 🔒
A2a01:c8:101::100🇫🇷 NAMESHIELD
PTRnsb.perf1.com
A81.92.95.100🇫🇷 NAMESHIELD
PTRnsb.perf1.com
NSnsc.perf1.com 🔒
A2a09:35c0:102::100🇫🇷 NAMESHIELDGRP
PTRnsc.perf1.com
A152.89.172.100🇫🇷 NAMESHIELDGRP
PTRnsc.perf1.com
TXTv=spf1 -all
SOAnsa.perf1.frtechnical@nameshield.net 2026-02-19 #1

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=1771291435

Same first word

calscience.co.uk
calscience.com

DNS History

14 records (5 active, 9 former)

20162017201820192020202120222023202420252026NSnsa.perf1.frnsb.perf1.comnsc.perf1.comns3.combell.netns4.combell.netns57.worldnic.comns58.worldnic.comMX.cust5028-1.in.mailcontrol.comcust5028-2.in.mailcontrol.comA81.92.80.5581.92.80.56217.19.237.5469.89.17.13
○NSns3.combell.net2016-02-25 → 2016-12-18 · 4 obs
○ 2015-11-24 20:50:40
● 2016-02-25 05:59:58
● 2016-12-18 16:35:30
○ 2026-02-23 11:06:52
○NSns4.combell.net2016-02-25 → 2016-12-18 · 4 obs
○ 2015-11-24 20:50:40
● 2016-02-25 05:59:58
● 2016-12-18 16:35:30
○ 2026-02-23 11:06:52
○NSns57.worldnic.com2015-07-26 → 2015-11-24 · 4 obs
● 2015-07-26 08:27:12
● 2015-11-24 20:50:40
○ 2016-02-25 05:59:58
○ 2026-02-23 11:06:52
○NSns58.worldnic.com2015-07-26 → 2015-11-24 · 4 obs
● 2015-07-26 08:27:12
● 2015-11-24 20:50:40
○ 2016-02-25 05:59:58
○ 2026-02-23 11:06:52
●NSnsa.perf1.fr2026-02-23 → 2026-02-23 · 2 obs
○ 2016-12-18 16:35:30
● 2026-02-23 11:06:52
●NSnsb.perf1.com2026-02-23 → 2026-02-23 · 2 obs
○ 2016-12-18 16:35:30
● 2026-02-23 11:06:52
●NSnsc.perf1.com2026-02-23 → 2026-02-23 · 2 obs
○ 2016-12-18 16:35:30
● 2026-02-23 11:06:52
○MX.2026-02-23 → 2026-02-23 · 1 obs
○ 2026-02-23 11:06:52
○MXcust5028-1.in.mailcontrol.com2015-07-26 → 2016-12-18 · 3 obs
● 2015-07-26 08:27:12
● 2016-12-18 16:35:30
○ 2026-02-23 11:06:52
○MXcust5028-2.in.mailcontrol.com2015-07-26 → 2016-12-18 · 3 obs
● 2015-07-26 08:27:12
● 2016-12-18 16:35:30
○ 2026-02-23 11:06:52
○A217.19.237.542016-02-25 → 2016-12-18 · 4 obs
○ 2015-11-24 20:50:40
● 2016-02-25 05:59:58
● 2016-12-18 16:35:30
○ 2026-02-23 11:06:52
○A69.89.17.132015-07-26 → 2015-11-24 · 4 obs
● 2015-07-26 08:27:12
● 2015-11-24 20:50:40
○ 2016-02-25 05:59:58
○ 2026-02-23 11:06:52
●A81.92.80.552026-02-23 → 2026-02-23 · 2 obs
○ 2016-12-18 16:35:30
● 2026-02-23 11:06:52
●A81.92.80.562026-02-23 → 2026-02-23 · 2 obs
○ 2016-12-18 16:35:30
● 2026-02-23 11:06:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
calscience.comnsb.perf1.com, nsc.perf1.com, nsa.perf1.fr-

✅ Authoritative Response

Server: 81.92.94.100

NS records: nsb.perf1.com, nsc.perf1.com, nsa.perf1.fr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calscience.com (unsigned zone)

⏱️ Timing

Total: 43ms | Queries: -

📄 Records

TypeCountSample Data
A281.92.80.55, 81.92.80.56
NS3nsb.perf1.com, nsc.perf1.com...
MX1. (pri: 0)
TXT1v=spf1 -all
SOA1nsa.perf1.fr technical.nameshield.net

AI analysis

calscience.com points to two IPs: 81.92.80.55 and 81.92.80.56.

Other host names, for instance seraquin.ie, eutselat.com, asendia.it, energyon.com and tunecore.nl share IP numbers with calscience.com.

calscience.com is delegated to name servers nsb.perf1.com, nsc.perf1.com and nsa.perf1.fr.

calscience.com at least partially shares name servers with other domains such as avantagesharmonie.com, europeanlemansseries.net, krups.mn, ambafrance-sg.org and tecnocin.eu.

These name servers are often used together with a.ns.developpement-durable.gouv.fr, b.ns.developpement-durable.gouv.fr, nsz.perf1.com, nsz.perf1.fr, a1-157.akam.net, a11-64.akam.net, a18-66.akam.net, a28-64.akam.net, a7-64.akam.net and a8-66.akam.net.

Host names with two IP numbers:

nsb.perf1.com points to 2a01:c8:101::100 and 81.92.95.100.

nsc.perf1.com points to 2a09:35c0:102::100 and 152.89.172.100.

nsa.perf1.fr points to 2a01:c8:100::100 and 81.92.94.100.