ucert.fr - robtex.com
ucert.fr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 109.234.165.84🇫🇷 O2SWITCH109.234.164.0/22 | ||||||
| PTR | 109-234-165-84.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 | ucert.fr ⭐ | ||||||
| A | 109.234.165.84🇫🇷 O2SWITCH109.234.164.0/22 | ||||||
| PTR | 109-234-165-84.reverse.odns.fr | ||||||
| TXT | google-site-verification=yhRHNgSz5Xjt034BeBvtIpSEbAlBLWkISf5AQTt_X2o | ||||||
| TXT | v=spf1 ip4:109.234.165.84 ip4:109.234.164.243 +a +mx include:spf.jabatus.fr ~all | ||||||
| SOA | ns1.o2switch.netsupport@o2switch.fr 2026-03-27 #0 | ||||||
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 | 221 RRs processed [12/04/2026 17H10:50] | ||||||
| SOA | a.nic.frdnsmaster@afnic.fr serial=2244814610 | ||||||
MX for
ucert.fr |
Subdomains
www.ucert.fr |
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
●NSns1.o2switch.net2026-03-27 → 2026-04-12 · 3 obs
● 2026-03-27 14:43:36
● 2026-04-12 17:42:36
○NSns1.slconseil.com2015-08-22 → 2018-06-13 · 4 obs
● 2018-06-13 14:38:44
○ 2026-03-27 14:43:36
○ 2026-04-12 17:42:36
●NSns2.o2switch.net2026-03-27 → 2026-04-12 · 3 obs
● 2026-03-27 14:43:36
● 2026-04-12 17:42:36
○NSns2.slconseil.com2015-08-22 → 2018-06-13 · 4 obs
● 2018-06-13 14:38:44
○ 2026-03-27 14:43:36
○ 2026-04-12 17:42:36
○NSns3.slconseil.com2015-08-22 → 2018-06-13 · 4 obs
● 2018-06-13 14:38:44
○ 2026-03-27 14:43:36
○ 2026-04-12 17:42:36
●MXucert.fr2026-03-27 → 2026-04-12 · 3 obs
● 2026-03-27 14:43:36
● 2026-04-12 17:42:36
○MXvsp153005.nfrance.com2015-08-22 → 2018-06-13 · 4 obs
● 2018-06-13 14:38:44
○ 2026-03-27 14:43:36
○ 2026-04-12 17:42:36
●A109.234.165.842026-03-27 → 2026-04-12 · 3 obs
● 2026-03-27 14:43:36
● 2026-04-12 17:42:36
○A80.247.228.602015-08-22 → 2018-06-13 · 4 obs
● 2018-06-13 14:38:44
○ 2026-03-27 14:43:36
○ 2026-04-12 17:42:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| fr | f.ext.nic.fr, g.ext.nic.fr, d.nic.fr | - |
| ucert.fr | ns1.o2switch.net, ns2.o2switch.net | - |
✅ Authoritative Response
Server:109.234.161.5
NS records: ns1.o2switch.net, ns2.o2switch.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ucert.fr (unsigned zone)
⏱️ Timing
Total: 1342ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 109.234.165.84 |
| NS | 2 | ns2.o2switch.net, ns1.o2switch.net |
| MX | 1 | ucert.fr (pri: 0) |
| TXT | 2 | google-site-verification=yhRHNgSz5Xjt034, v=spf1 ip4:109.234.165.84 ip4:109.234.16 |
| SOA | 1 | ns1.o2switch.net support.o2switch.fr |
Analysis
Hierarchy
ucert.fr is the parent of www.ucert.fr.
Mail Server Role
For ucert.fr, the mail server is ucert.fr.
IP Addresses
ucert.fr resolves to one IP number: 109.234.165.84.
other host names including pays-basque-en-ligne.com, lecarredelange.fr, ouiouiphoto.fr, mail.snia.net and lecarredelange.com share IP numbers with ucert.fr.
Name Servers
ucert.fr is delegated to two name servers ns1.o2switch.net and ns2.o2switch.net.
ucert.fr shares the same name server setup as other domains, for instance zoomania.fr, melissadailly.fr, www.magestionbilletterie.com, rcma.fr and grands-meres.net.
ucert.fr at least partially shares name servers with other domains, for instance siegesed.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
ucert.fr is served by a single mail server, ucert.fr.
ucert.fr resolves to IP 109.234.165.84.