duweb.fr - robtex.com
duweb.fr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 109.234.162.139🇫🇷 O2SWITCH109.234.162.0/24 o2switch Internet Routing | ||||||
| PTR | 109-234-162-139.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 | duweb.fr ⭐ | ||||||
| A | 109.234.162.139🇫🇷 O2SWITCH109.234.162.0/24 o2switch Internet Routing | ||||||
| PTR | 109-234-162-139.reverse.odns.fr | ||||||
| TXT | v=spf1 ip4:109.234.162.139 +a +mx +include:spf.jabatus.fr ~all | ||||||
| SOA | ns1.o2switch.netsystemshl@o2switch.fr 2026-03-18 #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 | 116 RRs processed [17/07/2026 23H00:49] | ||||||
| SOA | a.nic.frdnsmaster@afnic.fr serial=2245801538 | ||||||
MX for
duweb.fr |
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
○NSdns200.anycast.me2015-05-15 → 2016-12-19 · 4 obs
● 2016-12-19 12:21:36
○ 2019-07-03 11:52:40
○ 2026-07-17 23:34:04
●NSns1.o2switch.net2026-06-14 → 2026-07-17 · 3 obs
● 2026-06-14 01:13:06
● 2026-07-17 23:34:04
●NSns2.o2switch.net2026-06-14 → 2026-07-17 · 3 obs
● 2026-06-14 01:13:06
● 2026-07-17 23:34:04
○NSns200.anycast.me2015-05-15 → 2016-12-19 · 4 obs
● 2016-12-19 12:21:36
○ 2019-07-03 11:52:40
○ 2026-07-17 23:34:04
●MXduweb.fr2026-06-14 → 2026-07-17 · 3 obs
● 2026-06-14 01:13:06
● 2026-07-17 23:34:04
○MXmx1.ovh.net2015-05-15 → 2016-12-19 · 4 obs
● 2016-12-19 12:21:36
○ 2019-07-03 11:52:40
○ 2026-07-17 23:34:04
○MXmx2.ovh.net2015-05-15 → 2016-12-19 · 4 obs
● 2016-12-19 12:21:36
○ 2019-07-03 11:52:40
○ 2026-07-17 23:34:04
○MXmxb.ovh.net2015-05-15 → 2016-12-19 · 4 obs
● 2016-12-19 12:21:36
○ 2019-07-03 11:52:40
○ 2026-07-17 23:34:04
●A109.234.162.1392026-06-14 → 2026-07-17 · 3 obs
● 2026-06-14 01:13:06
● 2026-07-17 23:34:04
○A213.186.33.402015-05-15 → 2016-12-19 · 4 obs
● 2016-12-19 12:21:36
○ 2019-07-03 11:52:40
○ 2026-07-17 23:34:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| fr | d.nic.fr, f.ext.nic.fr, g.ext.nic.fr | - |
| duweb.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 duweb.fr (unsigned zone)
⏱️ Timing
Total: 3483ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 109.234.162.139 |
| NS | 2 | ns2.o2switch.net, ns1.o2switch.net |
| MX | 1 | duweb.fr (pri: 0) |
| TXT | 1 | v=spf1 ip4:109.234.162.139 +a +mx +inclu |
| SOA | 1 | ns1.o2switch.net systemshl.o2switch.fr |
Analysis
Mail Server Role
duweb.fr serves as a mail server for duweb.fr.
IP Addresses
duweb.fr has exactly one IP address — 109.234.162.139.
109-234-162-139.reverse.odns.fr, mail.snsgroupe.fr, totoom.org plus two other host names have IP numbers in common with duweb.fr.
Name Servers
duweb.fr uses two name servers for its delegation: ns1.o2switch.net and ns2.o2switch.net.
The name server configuration of duweb.fr is shared with other domains, for instance alainclaudelejeune.fr, pleindeblog.com, jmoins.fr and two others.
At least some of duweb.fr's name servers are also used by other domains, among them mps.dz.
ns1.o2switch.net resolves to 109.234.160.5. ns2.o2switch.net resolves to 109.234.161.5. Both host names point to a single IP number.
Mail Servers
duweb.fr uses exactly one mail server, which is duweb.fr.
duweb.fr directs to just one IP number, 109.234.162.139.