coursgratuits.net - robtex.com
coursgratuits.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 109.234.164.203🇫🇷 O2SWITCH109.234.164.0/22 | ||||||
| PTR | 109-234-164-203.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 | coursgratuits.net ⭐ | ||||||
| A | 109.234.164.203🇫🇷 O2SWITCH109.234.164.0/22 | ||||||
| PTR | 109-234-164-203.reverse.odns.fr | ||||||
| TXT | v=spf1 ip4:109.234.164.203 +a +mx +include:spf.jabatus.fr ~all | ||||||
| SOA | ns1.o2switch.netsystemshl@o2switch.fr 2025-07-18 #4 | ||||||
net
| 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=1774625877 | ||||||
MX for
coursgratuits.net |
Subdomains
mail.coursgratuits.net |
Same first word
coursgratuits.net |
Similar names
DNS History
15 records (4 active, 11 former)
○NSns1.ispfr.net2015-06-27 → 2017-03-20 · 4 obs
● 2017-03-20 03:09:28
○ 2020-02-13 14:06:18
○ 2026-03-27 16:03:32
●NSns1.o2switch.net2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 04:56:54
● 2026-03-27 16:03:32
○NSns1.webmo.fr2020-02-13 → 2020-02-13 · 4 obs
● 2020-02-13 14:06:18
○ 2026-03-27 04:56:54
○ 2026-03-27 16:03:32
○NSns2.ispfr.net2015-06-27 → 2017-03-20 · 4 obs
● 2017-03-20 03:09:28
○ 2020-02-13 14:06:18
○ 2026-03-27 16:03:32
●NSns2.o2switch.net2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 04:56:54
● 2026-03-27 16:03:32
○NSns2.webmo.fr2020-02-13 → 2020-02-13 · 4 obs
● 2020-02-13 14:06:18
○ 2026-03-27 04:56:54
○ 2026-03-27 16:03:32
●MXcoursgratuits.net2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 04:56:54
● 2026-03-27 16:03:32
○MXmx.webmo.fr2020-02-13 → 2020-02-13 · 4 obs
● 2020-02-13 14:06:18
○ 2026-03-27 04:56:54
○ 2026-03-27 16:03:32
○MXmx3.ispfr.net2015-06-27 → 2017-03-20 · 4 obs
● 2017-03-20 03:09:28
○ 2020-02-13 14:06:18
○ 2026-03-27 16:03:32
○MXmx4.ispfr.net2015-06-27 → 2017-03-20 · 4 obs
● 2017-03-20 03:09:28
○ 2020-02-13 14:06:18
○ 2026-03-27 16:03:32
○MXmxsecondaire.webmo.fr2020-02-13 → 2020-02-13 · 4 obs
● 2020-02-13 14:06:18
○ 2026-03-27 04:56:54
○ 2026-03-27 16:03:32
●A109.234.164.2032026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 04:56:54
● 2026-03-27 16:03:32
○A188.130.25.1022020-02-13 → 2020-02-13 · 4 obs
● 2020-02-13 14:06:18
○ 2026-03-27 04:56:54
○ 2026-03-27 16:03:32
○A188.130.25.2022020-02-13 → 2020-02-13 · 4 obs
● 2020-02-13 14:06:18
○ 2026-03-27 04:56:54
○ 2026-03-27 16:03:32
○A195.114.18.1312015-06-27 → 2017-03-20 · 4 obs
● 2017-03-20 03:09:28
○ 2020-02-13 14:06:18
○ 2026-03-27 16:03:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| coursgratuits.net | ns1.o2switch.net, ns2.o2switch.net | 2 records |
✅ Authoritative Response
Server:109.234.160.5
NS records: ns1.o2switch.net, ns2.o2switch.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coursgratuits.net (unsigned zone)
⏱️ Timing
Total: 392ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 109.234.164.203 |
| NS | 2 | ns1.o2switch.net, ns2.o2switch.net |
| MX | 1 | coursgratuits.net (pri: 0) |
| TXT | 1 | v=spf1 ip4:109.234.164.203 +a +mx +inclu |
| SOA | 1 | ns1.o2switch.net systemshl.o2switch.fr |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.o2switch.net, ns2.o2switch.net)
Analysis
Hierarchy
The parent of mail.coursgratuits.net is coursgratuits.net.
Mail Server Role
coursgratuits.net serves as the mail server for coursgratuits.net.
IP Addresses
coursgratuits.net points to IP number: 109.234.164.203.
Other host names such as 109-234-164-203.reverse.odns.fr, sdis17.fr, dididom.com, dr-ohana-chpindel-florence.chirurgiens-dentistes.fr and sikoyo.cg share IPs with coursgratuits.net.
Name Servers
coursgratuits.net is delegated to two name servers: ns1.o2switch.net and ns2.o2switch.net.
coursgratuits.net shares the same name server setup as grainedeveil.com, oc-citanie.fr, lagauchematuer.fr, creation-web.pro and buffalo.o2switch.net.
coursgratuits.net shares name servers with other domains at least partially, for instance genevet.eu and altivea.fr.
Host names with a single IP:
ns1.o2switch.net points to 109.234.160.5.
ns2.o2switch.net points to 109.234.161.5.
Mail Servers
coursgratuits.net is handled by a single mail server, coursgratuits.net.
coursgratuits.net points to a single IP: 109.234.164.203.