coursdecode.com - dns.ninja
coursdecode.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 109.234.166.101🇫🇷 O2SWITCH109.234.164.0/22 | ||||||
| PTR | 109-234-166-101.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.coursdecode.com ⭐ | ||||||
| A | 109.234.166.101🇫🇷 O2SWITCH109.234.164.0/22 | ||||||
| PTR | 109-234-166-101.reverse.odns.fr | ||||||
| TXT | google-site-verification=OsjLMhrupCAQZghzIXmadFtlXF5Rl1vOFVYgiiAo5sY | ||||||
| TXT | v=spf1 ip4:109.234.166.101 +a +mx +include:spf.jabatus.fr ~all | ||||||
| SOA | ns1.o2switch.netsysadmin@o2switch.fr 2024-12-30 #0 | ||||||
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=1782717755 | ||||||
📈 Tranco rank: #213,165
Subdomains
mail.coursdecode.com |
Same first word
coursdecode.fr |
coursdecode.com |
Similar names
DNS History
12 records (4 active, 8 former)
○NSdns12.ovh.net2016-04-25 → 2017-02-04 · 5 obs
● 2016-04-25 22:36:30
● 2017-02-04 16:04:30
○ 2026-05-21 17:38:06
○ 2026-06-29 07:30:02
●NSns1.o2switch.net2026-05-21 → 2026-06-29 · 3 obs
● 2026-05-21 17:38:06
● 2026-06-29 07:30:02
○NSns12.ovh.net2016-04-25 → 2017-02-04 · 5 obs
● 2016-04-25 22:36:30
● 2017-02-04 16:04:30
○ 2026-05-21 17:38:06
○ 2026-06-29 07:30:02
●NSns2.o2switch.net2026-05-21 → 2026-06-29 · 3 obs
● 2026-05-21 17:38:06
● 2026-06-29 07:30:02
○NSns303959.ip-94-23-209.eu2015-06-25 → 2016-01-25 · 4 obs
● 2016-01-25 11:58:08
○ 2016-04-25 22:36:30
○ 2026-06-29 07:30:02
●MXmail.coursdecode.com2026-05-21 → 2026-06-29 · 3 obs
● 2026-05-21 17:38:06
● 2026-06-29 07:30:02
○MXmx1.ovh.net2016-04-25 → 2017-02-04 · 4 obs
● 2017-02-04 16:04:30
○ 2026-05-21 17:38:06
○ 2026-06-29 07:30:02
○MXmx2.ovh.net2016-04-25 → 2017-02-04 · 4 obs
● 2017-02-04 16:04:30
○ 2026-05-21 17:38:06
○ 2026-06-29 07:30:02
○MXmxb.ovh.net2016-04-25 → 2017-02-04 · 4 obs
● 2017-02-04 16:04:30
○ 2026-05-21 17:38:06
○ 2026-06-29 07:30:02
●A109.234.166.1012026-05-21 → 2026-06-29 · 3 obs
● 2026-05-21 17:38:06
● 2026-06-29 07:30:02
○A213.186.33.692016-04-25 → 2017-02-04 · 5 obs
● 2016-04-25 22:36:30
● 2017-02-04 16:04:30
○ 2026-05-21 17:38:06
○ 2026-06-29 07:30:02
○A94.23.209.812015-06-25 → 2016-01-25 · 4 obs
● 2016-01-25 11:58:08
○ 2016-04-25 22:36:30
○ 2026-06-29 07:30:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net... | - |
| coursdecode.com | 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 coursdecode.com (unsigned zone)
⏱️ Timing
Total: 947ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 109.234.166.101 |
| NS | 2 | ns1.o2switch.net, ns2.o2switch.net |
| MX | 1 | mail.coursdecode.com (pri: 0) |
| TXT | 2 | v=spf1 ip4:109.234.166.101 +a +mx +inclu, google-site-verification=OsjLMhrupCAQZgh |
| SOA | 1 | ns1.o2switch.net sysadmin.o2switch.fr |
Analysis
Hierarchy
coursdecode.com is a parent domain of mail.coursdecode.com.
IP Addresses
coursdecode.com points to a single IP number: 109.234.166.101.
Additional host names — eoprod.com, dianemorel.com, fdusinage.fr and two others — share IP numbers with coursdecode.com.
Name Servers
coursdecode.com is served by two delegated name servers, ns1.o2switch.net and ns2.o2switch.net.
coursdecode.com shares its name server setup with other domains, including onewayconcept.com, 44.immo, photovoltaique07.fr and two others.
The DNS delegation for coursdecode.com at least partly coincides with that of other domains, pact-habitat.org being one example.
ns1.o2switch.net and ns2.o2switch.net each resolve to one IP number: ns1.o2switch.net points to 109.234.160.5 and ns2.o2switch.net points to 109.234.161.5.
Mail Servers
coursdecode.com has one mail server: mail.coursdecode.com.
There is one IP number for mail.coursdecode.com: 109.234.166.101.