pasteur.org - dns.ninja
pasteur.org
| DNSSEC | ⚠️ Not signed | ||||||
| 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 | ||||||
| MX | mx2.pasteur.fr ⭐ | ||||||
| A | 157.99.45.70🇫🇷 PASTEUR-AS157.99.0.0/16 INSTITUT-PASTEUR-BLOCK | ||||||
| PTR | mx2.pasteur.fr | ||||||
| MX | mx3.pasteur.fr ⭐ | ||||||
| A | 157.99.45.71🇫🇷 PASTEUR-AS157.99.0.0/16 INSTITUT-PASTEUR-BLOCK | ||||||
| PTR | mx3.pasteur.fr | ||||||
| TXT | HARICA-14VAEvbuGdMp7NZaFDY | ||||||
| SOA | nsa.perf1.frtechnical@nameshield.net 2026-02-26 #10 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1782550262 | ||||||
Subdomains
autodiscover.pasteur.org |
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
○NSns0.pasteur.fr2015-08-03 → 2016-07-27 · 4 obs
● 2016-07-27 06:43:02
○ 2026-02-22 14:51:44
○ 2026-06-27 09:03:32
○NSns1.pasteur.fr2015-08-03 → 2016-07-27 · 4 obs
● 2016-07-27 06:43:02
○ 2026-02-22 14:51:44
○ 2026-06-27 09:03:32
●NSnsa.perf1.fr2026-02-22 → 2026-06-27 · 3 obs
● 2026-02-22 14:51:44
● 2026-06-27 09:03:32
●NSnsb.perf1.com2026-02-22 → 2026-06-27 · 3 obs
● 2026-02-22 14:51:44
● 2026-06-27 09:03:32
●NSnsc.perf1.com2026-02-22 → 2026-06-27 · 3 obs
● 2026-02-22 14:51:44
● 2026-06-27 09:03:32
○MXmx0.pasteur.fr2015-08-03 → 2016-07-27 · 4 obs
● 2016-07-27 06:43:02
○ 2026-02-22 14:51:44
○ 2026-06-27 09:03:32
○MXmx1.pasteur.fr2015-08-03 → 2016-07-27 · 4 obs
● 2016-07-27 06:43:02
○ 2026-02-22 14:51:44
○ 2026-06-27 09:03:32
●MXmx2.pasteur.fr2026-02-22 → 2026-06-27 · 3 obs
● 2026-02-22 14:51:44
● 2026-06-27 09:03:32
●MXmx3.pasteur.fr2026-02-22 → 2026-06-27 · 3 obs
● 2026-02-22 14:51:44
● 2026-06-27 09:03:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| pasteur.org | nsc.perf1.com, nsb.perf1.com, nsa.perf1.fr | - |
✅ Authoritative Response
Server:81.92.94.100
NS records: nsc.perf1.com, nsb.perf1.com, nsa.perf1.fr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for pasteur.org (unsigned zone)
⏱️ Timing
Total: 399ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | nsc.perf1.com, nsb.perf1.com... |
| MX | 2 | mx3.pasteur.fr (pri: 10), mx2.pasteur.fr (pri: 10) |
| TXT | 1 | HARICA-14VAEvbuGdMp7NZaFDY |
| SOA | 1 | nsa.perf1.fr technical.nameshield.net |
Analysis
Hierarchy
autodiscover.pasteur.org is delegated beneath pasteur.org.
Name Servers
DNS for pasteur.org is handled by three authoritative name servers: nsb.perf1.com, nsc.perf1.com and nsa.perf1.fr.
There is at least partial name server overlap between pasteur.org and other domains — lmr-tech.de, mobictablet.com, tefal.fi and two more among them.
These name servers regularly appear alongside ns0.infravesi.com, ns1.infravesi.com, a.ns.developpement-durable.gouv.fr and 4 other name servers in NS record sets.
Three hostnames — nsb.perf1.com, nsc.perf1.com and nsa.perf1.fr — each have two IP addresses: nsb.perf1.com has 81.92.95.100 and 2a01:c8:101::100, nsc.perf1.com has 152.89.172.100 and 2a09:35c0:102::100, and nsa.perf1.fr has 81.92.94.100 and 2a01:c8:100::100.
Mail Servers
pasteur.org has two mail servers: mx2.pasteur.fr and mx3.pasteur.fr.
pasteur.org shares the same mail server setup as other domains, including pasteur.nc, pasteur.fr, don.pasteur.fr and two others.
mx2.pasteur.fr → 157.99.45.70 and mx3.pasteur.fr → 157.99.45.71: one IP number per host name.