4sformation.fr - robtex.com
4sformation.fr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 109.234.167.119🇫🇷 O2SWITCH109.234.164.0/22 | ||||||
| PTR | 109-234-167-119.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.4sformation.fr ⭐ | ||||||
| A | 109.234.167.119🇫🇷 O2SWITCH109.234.164.0/22 | ||||||
| PTR | 109-234-167-119.reverse.odns.fr | ||||||
| TXT | v=spf1 ip4:109.234.167.119 +a +mx +include:spf.jabatus.fr ~all | ||||||
| SOA | ns1.o2switch.netsysadmin@o2switch.fr 2025-08-26 #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 | 26 RRs processed [26/03/2026 06H00:50] | ||||||
| SOA | a.nic.frdnsmaster@afnic.fr serial=2244630033 | ||||||
Subdomains
mail.4sformation.fr |
Same first word
4sformation.fr |
DNS History
9 records (4 active, 5 former)
○NSdns11.ovh.net2015-08-13 → 2017-09-29 · 4 obs
● 2017-09-29 15:25:24
○ 2026-02-26 19:56:04
○ 2026-03-26 06:35:46
●NSns1.o2switch.net2026-02-26 → 2026-03-26 · 3 obs
● 2026-02-26 19:56:04
● 2026-03-26 06:35:46
○NSns11.ovh.net2015-08-13 → 2017-09-29 · 4 obs
● 2017-09-29 15:25:24
○ 2026-02-26 19:56:04
○ 2026-03-26 06:35:46
●NSns2.o2switch.net2026-02-26 → 2026-03-26 · 3 obs
● 2026-02-26 19:56:04
● 2026-03-26 06:35:46
●MXmail.4sformation.fr2026-02-26 → 2026-03-26 · 3 obs
● 2026-02-26 19:56:04
● 2026-03-26 06:35:46
○MXmx1.ovh.net2015-08-13 → 2017-09-29 · 4 obs
● 2017-09-29 15:25:24
○ 2026-02-26 19:56:04
○ 2026-03-26 06:35:46
○MXmx2.ovh.net2015-08-13 → 2017-09-29 · 4 obs
● 2017-09-29 15:25:24
○ 2026-02-26 19:56:04
○ 2026-03-26 06:35:46
●A109.234.167.1192026-02-26 → 2026-03-26 · 3 obs
● 2026-02-26 19:56:04
● 2026-03-26 06:35:46
○A213.186.33.872015-08-13 → 2017-09-29 · 4 obs
● 2017-09-29 15:25:24
○ 2026-02-26 19:56:04
○ 2026-03-26 06:35:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| fr | f.ext.nic.fr, d.nic.fr, g.ext.nic.fr | - |
| 4sformation.fr | ns1.o2switch.net, ns2.o2switch.net | - |
✅ Authoritative Response
Server:109.234.160.5
NS records: ns1.o2switch.net, ns2.o2switch.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4sformation.fr (unsigned zone)
⏱️ Timing
Total: 1171ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 109.234.167.119 |
| NS | 2 | ns2.o2switch.net, ns1.o2switch.net |
| MX | 1 | mail.4sformation.fr (pri: 0) |
| TXT | 1 | v=spf1 ip4:109.234.167.119 +a +mx +inclu |
| SOA | 1 | ns1.o2switch.net sysadmin.o2switch.fr |
Analysis
Hierarchy
4sformation.fr is a parent of mail.4sformation.fr.
IP Addresses
4sformation.fr points to a single IP number: 109.234.167.119.
Other host names, for instance mail.ssa-justice.fr, ssa-justice.fr, mail.jonathanarnaud.com, ef2m.com and mail.celebrerlavie.com share IP numbers with 4sformation.fr.
Name Servers
Delegation for 4sformation.fr rests with two name servers, ns1.o2switch.net and ns2.o2switch.net.
4sformation.fr shares the same name server setup as other domains, including baskin.fr, snia.net, vcmb.fr, simeb.com and cuitoo.com.
Host names with one IP number: ns1.o2switch.net points to 109.234.160.5; ns2.o2switch.net points to 109.234.161.5.
Mail Servers
4sformation.fr is handled by a single mail server, mail.4sformation.fr.
mail.4sformation.fr points to a single IP: 109.234.167.119.