calscience.com - robtex.com
calscience.com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 81.92.80.55🇫🇷 NAMESHIELD81.92.80.0/20 Nameshield-AS20756 | ||||||
| PTR | saspresence.perf1.com | ||||||
| A | 81.92.80.56🇫🇷 NAMESHIELD81.92.80.0/20 Nameshield-AS20756 | ||||||
| NS | nsa.perf1.fr ⭐ 🔒 | ||||||
| A | 2a01:c8:100::100🇫🇷 NAMESHIELD2a01:c8:100::/40 ANYCAST1-1 | ||||||
| PTR | nsa.perf1.fr | ||||||
| A | 81.92.94.100🇫🇷 NAMESHIELD81.92.94.0/23 ANYCAST1-1 | ||||||
| PTR | nsa.perf1.fr | ||||||
| NS | nsb.perf1.com 🔒 | ||||||
| A | 2a01:c8:101::100🇫🇷 NAMESHIELD2a01:c8:100::/40 ANYCAST1-1 | ||||||
| PTR | nsb.perf1.com | ||||||
| A | 81.92.95.100🇫🇷 NAMESHIELD81.92.94.0/23 ANYCAST1-1 | ||||||
| PTR | nsb.perf1.com | ||||||
| NS | nsc.perf1.com 🔒 | ||||||
| A | 2a09:35c0:102::100🇫🇷 NAMESHIELDGRP2a09:35c0:100::/40 NAMESHIELD ANYCAST1-2 | ||||||
| PTR | nsc.perf1.com | ||||||
| A | 152.89.172.100🇫🇷 NAMESHIELDGRP152.89.172.0/23 NAMESHIELD ANYCAST1-2 | ||||||
| PTR | nsc.perf1.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | nsa.perf1.frtechnical@nameshield.net 2026-02-19 #1 | ||||||
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.netnstld@verisign-grs.com serial=1771291435 | ||||||
Same first word
calscience.co.uk |
calscience.com |
DNS History
14 records (5 active, 9 former)
○NSns3.combell.net2016-02-25 → 2016-12-18 · 5 obs
● 2016-02-25 05:59:58
● 2016-12-18 16:35:30
○ 2026-02-23 11:06:52
○ 2026-02-25 12:16:02
○NSns4.combell.net2016-02-25 → 2016-12-18 · 5 obs
● 2016-02-25 05:59:58
● 2016-12-18 16:35:30
○ 2026-02-23 11:06:52
○ 2026-02-25 12:16:02
○NSns57.worldnic.com2015-07-26 → 2015-11-24 · 4 obs
● 2015-11-24 20:50:40
○ 2016-02-25 05:59:58
○ 2026-02-25 12:16:02
○NSns58.worldnic.com2015-07-26 → 2015-11-24 · 4 obs
● 2015-11-24 20:50:40
○ 2016-02-25 05:59:58
○ 2026-02-25 12:16:02
●NSnsa.perf1.fr2026-02-23 → 2026-02-25 · 3 obs
● 2026-02-23 11:06:52
● 2026-02-25 12:16:02
●NSnsb.perf1.com2026-02-23 → 2026-02-25 · 3 obs
● 2026-02-23 11:06:52
● 2026-02-25 12:16:02
●NSnsc.perf1.com2026-02-23 → 2026-02-25 · 3 obs
● 2026-02-23 11:06:52
● 2026-02-25 12:16:02
○MX.2026-02-23 → 2026-02-25 · 2 obs
○ 2026-02-25 12:16:02
○MXcust5028-1.in.mailcontrol.com2015-07-26 → 2016-12-18 · 4 obs
● 2016-12-18 16:35:30
○ 2026-02-23 11:06:52
○ 2026-02-25 12:16:02
○MXcust5028-2.in.mailcontrol.com2015-07-26 → 2016-12-18 · 4 obs
● 2016-12-18 16:35:30
○ 2026-02-23 11:06:52
○ 2026-02-25 12:16:02
○A217.19.237.542016-02-25 → 2016-12-18 · 5 obs
● 2016-02-25 05:59:58
● 2016-12-18 16:35:30
○ 2026-02-23 11:06:52
○ 2026-02-25 12:16:02
○A69.89.17.132015-07-26 → 2015-11-24 · 4 obs
● 2015-11-24 20:50:40
○ 2016-02-25 05:59:58
○ 2026-02-25 12:16:02
●A81.92.80.552026-02-23 → 2026-02-25 · 3 obs
● 2026-02-23 11:06:52
● 2026-02-25 12:16:02
●A81.92.80.562026-02-23 → 2026-02-25 · 3 obs
● 2026-02-23 11:06:52
● 2026-02-25 12:16:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| calscience.com | nsb.perf1.com, nsc.perf1.com, nsa.perf1.fr | 4 records |
✅ Authoritative Response
Server: 81.92.95.100
NS records: nsb.perf1.com, nsc.perf1.com, nsa.perf1.fr
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 307ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 81.92.80.55, 81.92.80.56 |
| NS | 3 | nsb.perf1.com, nsa.perf1.fr... |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | nsa.perf1.fr technical.nameshield.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (nsb.perf1.com, nsb.perf1.com, nsc.perf1.com...)
AI analysis
calscience.com resolves to two IP numbers: 81.92.80.55 and 81.92.80.56.
other host names including seraquin.ie, eutselat.com, asendia.it, energyon.com and tunecore.nl share IP numbers with calscience.com.
calscience.com is delegated to three name servers nsb.perf1.com, nsc.perf1.com and nsa.perf1.fr.
calscience.com at least partially shares name servers with other domains, for instance avantagesharmonie.com, europeanlemansseries.net, krups.mn, ambafrance-sg.org and tecnocin.eu.
These name servers are commonly used with the following name servers: 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.