devmath.fr - robtex.com
devmath.fr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 109.234.167.51🇫🇷 O2SWITCH109.234.164.0/22 | ||||||
| PTR | 109-234-167-51.reverse.odns.fr | ||||||
| NS | ns1.o2switch.net ⭐ | ||||||
| A | 109.234.160.5🇫🇷 O2SWITCH109.234.160.0/24 o2switch Internet Routing | ||||||
| PTR | ns1.o2switch.net | ||||||
| NS | ns2.o2switch.net | ||||||
| A | 109.234.161.5🇫🇷 O2SWITCH109.234.161.0/24 o2switch Internet Routing | ||||||
| PTR | ns2.o2switch.net | ||||||
| MX | mail.devmath.fr ⭐ | ||||||
| A | 109.234.167.51🇫🇷 O2SWITCH109.234.164.0/22 | ||||||
| PTR | 109-234-167-51.reverse.odns.fr | ||||||
| TXT | google-site-verification=WgUSSLpblGxf-_pD5Mf_okfZnxhkj0OxPTI-40V9JXs | ||||||
| TXT | v=spf1 +a +mx +ip4:109.234.165.177 +include:spf.jabatus.fr ~all | ||||||
| SOA | ns1.o2switch.netsysadmin@o2switch.fr 2026-09-02 #4 | ||||||
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 | 341 RRs processed [12/11/2026 11H00:58] | ||||||
| SOA | a.nic.frdnsmaster@afnic.fr serial=2247256807 | ||||||
Subdomains
mail.devmath.fr |
Same first word
Similar names
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●NSns1.o2switch.net2026-10-12 → 2026-11-12 · 2 obs
● 2026-11-12 11:58:54
●NSns2.o2switch.net2026-10-12 → 2026-11-12 · 2 obs
● 2026-11-12 11:58:54
●MXmail.devmath.fr2026-10-12 → 2026-11-12 · 2 obs
● 2026-11-12 11:58:54
●A109.234.167.512026-10-12 → 2026-11-12 · 2 obs
● 2026-11-12 11:58:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| fr | f.ext.nic.fr, d.nic.fr, g.ext.nic.fr | 6 records |
| devmath.fr | ns2.o2switch.net, ns1.o2switch.net | - |
✅ Authoritative Response
Server:109.234.160.5
NS records: ns2.o2switch.net, ns1.o2switch.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for devmath.fr (unsigned zone)
⏱️ Timing
Total: 837ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 109.234.167.51 |
| NS | 2 | ns2.o2switch.net, ns1.o2switch.net |
| MX | 1 | mail.devmath.fr (pri: 0) |
| TXT | 2 | v=spf1 +a +mx +ip4:109.234.165.177 +incl, google-site-verification=WgUSSLpblGxf-_p |
| SOA | 1 | ns1.o2switch.net sysadmin.o2switch.fr |
📌 Glue Records Collected
Total: 6
In-bailiwick: 6 (f.ext.nic.fr, f.ext.nic.fr, d.nic.fr...)
Analysis
Hierarchy
mail.devmath.fr is delegated beneath devmath.fr.
IP Addresses
devmath.fr points to a single IP number: 109.234.167.51.
Additional host names — mail.strasbourg-education.fr, accelerateurdecabinet.com, violaine-olga-madeleine.com and two others — share IP numbers with devmath.fr.
Name Servers
devmath.fr is served by two delegated name servers, ns1.o2switch.net and ns2.o2switch.net.
devmath.fr shares its name server setup with other domains, including loieetlegrill.fr, skuld.bzh, seobienetre.com and two others.
The DNS delegation for devmath.fr at least partly coincides with that of other domains, toulon-informatique.fr being one example.
ns1.o2switch.net → 109.234.160.5 and ns2.o2switch.net → 109.234.161.5: one IP number per host name.
Mail Servers
devmath.fr has one mail server: mail.devmath.fr.
There is one IP number for mail.devmath.fr: 109.234.167.51.