pasteur.cloud - dns.ninja
pasteur.cloud
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.99.4.173🇫🇷 PASTEUR-AS157.99.0.0/16 INSTITUT-PASTEUR-BLOCK | ||||||
| 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 | google-site-verification=Zhn8j9851HKDxToByNj-GgZKGxKXhQTE-_P33i80Ss4 | ||||||
| TXT | v=spf1 include:spf.pasteur.fr -all | ||||||
| TXT | HARICA-3r2f6hvNp1xxl1GvR4B | ||||||
| SOA | nsa.perf1.frtechnical@nameshield.net 2026-08-11 #14 | ||||||
cloud
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns01.trs-dns.com ⭐ | ||||||
| NS | ns.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| SOA | ns.trs-dns.comtrs-ops@tucows.com serial=1786467329 | ||||||
Subdomains
plausible.pasteur.cloud |
memhdx.pasteur.cloud |
vip-public-k8sprod02.pasteur.cloud |
viralhostrangedb.pasteur.cloud |
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●MXmx2.pasteur.fr2026-03-21 → 2026-08-11 · 2 obs
● 2026-08-11 17:01:52
●MXmx3.pasteur.fr2026-03-21 → 2026-08-11 · 2 obs
● 2026-08-11 17:01:52
●A157.99.4.1732026-08-11 → 2026-08-11 · 2 obs
● 2026-08-11 17:01:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cloud | ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info | - |
| pasteur.cloud | nsa.perf1.fr, nsb.perf1.com, nsc.perf1.com | - |
✅ Authoritative Response
Server:81.92.94.100
NS records: nsa.perf1.fr, nsb.perf1.com, nsc.perf1.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for pasteur.cloud (unsigned zone)
⏱️ Timing
Total: 372ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.99.4.173 |
| NS | 3 | nsb.perf1.com, nsc.perf1.com... |
| MX | 2 | mx2.pasteur.fr (pri: 10), mx3.pasteur.fr (pri: 10) |
| TXT | 3 | v=spf1 include:spf.pasteur.fr -all, google-site-verification=Zhn8j9851HKDxTo... |
| SOA | 1 | nsa.perf1.fr technical.nameshield.net |
Analysis
Hierarchy
plausible.pasteur.cloud, memhdx.pasteur.cloud, vip-public-k8sprod02.pasteur.cloud and viralhostrangedb.pasteur.cloud each fall under the parent domain pasteur.cloud.
IP Addresses
pasteur.cloud resolves to one IP address: 157.99.4.173.
Name Servers
The authoritative name servers for pasteur.cloud are nsb.perf1.com, nsc.perf1.com and nsa.perf1.fr — three in total.
pasteur.cloud partially shares its NS delegation with several other domains, including mairie-vandoeuvre.fr, synergie.company, parc-automobile.fr and two others.
In DNS configurations, these name servers often share authority with a.ns.developpement-durable.gouv.fr, b.ns.developpement-durable.gouv.fr, ns0.infravesi.com and 7 other name servers.
nsb.perf1.com, nsc.perf1.com and nsa.perf1.fr all resolve to exactly two IP numbers apiece: nsb.perf1.com → 81.92.95.100 and 2a01:c8:101::100; nsc.perf1.com → 152.89.172.100 and 2a09:35c0:102::100; nsa.perf1.fr → 81.92.94.100 and 2a01:c8:100::100.
Mail Servers
Mail for pasteur.cloud is handled by two mail servers — mx2.pasteur.fr and mx3.pasteur.fr.
pasteur.cloud uses an identical mail server configuration to several other domains — among them pasteur.fr, pasteur.org, don.pasteur.fr and two more.
mx2.pasteur.fr resolves to 157.99.45.70. mx3.pasteur.fr resolves to 157.99.45.71. Both host names point to a single IP number.