les-cours-lnb.com - robtex.com
les-cours-lnb.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 109.234.165.75🇫🇷 O2SWITCH109.234.164.0/22 | ||||||
| PTR | 109-234-165-75.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 | les-cours-lnb.com ⭐ | ||||||
| A | 109.234.165.75🇫🇷 O2SWITCH109.234.164.0/22 | ||||||
| PTR | 109-234-165-75.reverse.odns.fr | ||||||
| TXT | v=spf1 +a +mx +ip4:109.234.165.75 ~all | ||||||
| SOA | ns1.o2switch.netsupport@o2switch.fr 2019-05-26 #4 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778334661 | ||||||
MX for
les-cours-lnb.com |
Same first word
les-cours-lnb.com |
DNS History
4 records (4 active, 0 former)
●NSns1.o2switch.net2019-12-16 → 2026-05-09 · 5 obs
● 2026-04-02 08:47:34
○ 2026-04-05 04:23:40
● 2026-04-08 21:50:44
● 2026-05-09 13:51:56
●NSns2.o2switch.net2019-12-16 → 2026-05-09 · 5 obs
● 2026-04-02 08:47:34
○ 2026-04-05 04:23:40
● 2026-04-08 21:50:44
● 2026-05-09 13:51:56
●MXles-cours-lnb.com2019-12-16 → 2026-05-09 · 8 obs
● 2026-03-06 08:05:10
○ 2026-03-08 00:19:38
● 2026-03-30 00:29:36
● 2026-04-02 08:47:34
○ 2026-04-05 04:23:40
● 2026-04-08 21:50:44
● 2026-05-09 13:51:56
●A109.234.165.752019-12-16 → 2026-05-09 · 8 obs
● 2026-03-06 08:05:10
○ 2026-03-08 00:19:38
● 2026-03-30 00:29:36
● 2026-04-02 08:47:34
○ 2026-04-05 04:23:40
● 2026-04-08 21:50:44
● 2026-05-09 13:51:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| les-cours-lnb.com | 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 les-cours-lnb.com (unsigned zone)
⏱️ Timing
Total: 508ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 109.234.165.75 |
| NS | 2 | ns2.o2switch.net, ns1.o2switch.net |
| MX | 1 | les-cours-lnb.com (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:109.234.165.75 ~all |
| SOA | 1 | ns1.o2switch.net support.o2switch.fr |
Analysis
Mail Server Role
The mail server for les-cours-lnb.com is les-cours-lnb.com.
IP Addresses
les-cours-lnb.com points to a single IP address: 109.234.165.75.
Other host names such as ed-trans.fr, 109-234-165-75.reverse.odns.fr, planet-typography.com, semelle-moderne.fr and bestwestern-marseille-aeroport.com share IPs with les-cours-lnb.com.
Name Servers
Two name servers ns1.o2switch.net and ns2.o2switch.net handle the delegation for les-cours-lnb.com.
les-cours-lnb.com shares the same name server setup as other domains, for example pechemouche-eclimont.fr, snsplayer.com, learnpop.com, sylvettegaillard.fr and siflovi.fr.
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
One mail server handles les-cours-lnb.com; that server is les-cours-lnb.com.
les-cours-lnb.com points to a single IP number: 109.234.165.75.