sim.fr - dns.ninja
sim.fr
| 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 | mx3.nameshield.com ⭐ | ||||||
| A | 81.92.84.191🇫🇷 NAMESHIELD81.92.84.0/23 DC1-1 | ||||||
| PTR | mx3.perf1.com | ||||||
| MX | mx4.nameshield.net(10) | ||||||
| A | 81.92.81.40🇫🇷 NAMESHIELD81.92.80.0/20 Nameshield-AS20756 | ||||||
| PTR | mx4.nameshield.net | ||||||
| SOA | nsa.perf1.frtechnical@nameshield.net 2023-08-14 #12 | ||||||
fr
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.fr ⭐ | ||||||
| NS | d.nic.fr | ||||||
| NS | f.ext.nic.fr | ||||||
| NS | g.ext.nic.fr | ||||||
| TXT | 285 RRs processed [04/06/2026 09H40:49] | ||||||
| SOA | a.nic.frdnsmaster@afnic.fr serial=2245385232 | ||||||
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
○NSns1.perf1.com2015-08-08 → 2021-07-13 · 4 obs
● 2021-07-13 05:18:04
○ 2026-02-21 20:56:04
○ 2026-06-04 09:55:38
○NSns2.perf1.fr2015-08-08 → 2021-07-13 · 4 obs
● 2021-07-13 05:18:04
○ 2026-02-21 20:56:04
○ 2026-06-04 09:55:38
●NSnsa.perf1.fr2026-02-21 → 2026-06-04 · 3 obs
● 2026-02-21 20:56:04
● 2026-06-04 09:55:38
●NSnsb.perf1.com2026-02-21 → 2026-06-04 · 3 obs
● 2026-02-21 20:56:04
● 2026-06-04 09:55:38
●NSnsc.perf1.com2026-02-21 → 2026-06-04 · 3 obs
● 2026-02-21 20:56:04
● 2026-06-04 09:55:38
●MXmx3.nameshield.com2015-08-08 → 2026-06-04 · 2 obs
● 2026-06-04 09:55:38
●MXmx4.nameshield.net2015-08-08 → 2026-06-04 · 2 obs
● 2026-06-04 09:55:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| fr | f.ext.nic.fr, d.nic.fr, g.ext.nic.fr | - |
| sim.fr | nsa.perf1.fr, nsb.perf1.com, nsc.perf1.com | 2 records |
✅ Authoritative Response
Server:152.89.172.100
NS records: nsa.perf1.fr, nsb.perf1.com, nsc.perf1.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sim.fr (unsigned zone)
⏱️ Timing
Total: 1763ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | nsa.perf1.fr, nsb.perf1.com... |
| MX | 2 | mx4.nameshield.net (pri: 10), mx3.nameshield.com (pri: 0) |
| SOA | 1 | nsa.perf1.fr technical.nameshield.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (nsa.perf1.fr, nsa.perf1.fr)
Analysis
Name Servers
Three name servers are authoritative for sim.fr: nsb.perf1.com, nsc.perf1.com and nsa.perf1.fr.
There is at least partial name server overlap between sim.fr and other domains — consulfrance-tanger.org, zaditivos.com.pe, maxisciences.fr and two more among them.
It is common to see these name servers paired with a.ns.developpement-durable.gouv.fr, b.ns.developpement-durable.gouv.fr and nsz.perf1.com — as well as four other name servers.
nsb.perf1.com resolves to 81.92.95.100 and 2a01:c8:101::100. nsc.perf1.com resolves to 152.89.172.100 and 2a09:35c0:102::100. nsa.perf1.fr resolves to 81.92.94.100 and 2a01:c8:100::100. All three hostnames point to two IP numbers each.
Mail Servers
sim.fr uses two mail servers, mx3.nameshield.com and mx4.nameshield.net.
The mail server setup of sim.fr matches that of other domains such as agriaffaire.de, laposte.sucks, keringgroup.it and two others.
sim.fr and other domains — agence-du-village.fr for instance — share at least some mail servers.
mx3.nameshield.com → 81.92.84.191 and mx4.nameshield.net → 81.92.81.40: one IP number per host name.