groundzero.fr - dns.ninja
groundzero.fr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 78.40.11.128🇫🇷 O2SWITCH78.40.8.0/22 o2switch Internet Routing | ||||||
| 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.groundzero.fr ⭐ | ||||||
| A | 109.234.166.23🇫🇷 O2SWITCH109.234.164.0/22 | ||||||
| PTR | 109-234-166-23.reverse.odns.fr | ||||||
| TXT | v=spf1 +mx +a +ip4:109.234.166.23 +include:spf.mailjet.com +include:mx.ovh.co... | ||||||
| SOA | ns1.o2switch.netsysadmin@o2switch.fr 2026-06-08 #1 | ||||||
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 | 109 RRs processed [26/06/2026 19H20:50] | ||||||
| SOA | a.nic.frdnsmaster@afnic.fr serial=2245593728 | ||||||
Subdomains
mail.groundzero.fr |
Same first word
Similar names
DNS History
12 records (4 active, 8 former)
○NSdns.ovh.net2016-07-02 → 2017-05-12 · 5 obs
● 2016-07-02 03:31:52
● 2017-05-12 18:13:30
○ 2026-02-21 21:23:38
○ 2026-06-26 19:42:02
○NSdns200.anycast.me2015-06-17 → 2016-02-02 · 4 obs
● 2016-02-02 13:32:10
○ 2016-07-02 03:31:52
○ 2026-06-26 19:42:02
○NSns.ovh.net2016-07-02 → 2017-05-12 · 5 obs
● 2016-07-02 03:31:52
● 2017-05-12 18:13:30
○ 2026-02-21 21:23:38
○ 2026-06-26 19:42:02
●NSns1.o2switch.net2026-02-21 → 2026-06-26 · 3 obs
● 2026-02-21 21:23:38
● 2026-06-26 19:42:02
●NSns2.o2switch.net2026-02-21 → 2026-06-26 · 3 obs
● 2026-02-21 21:23:38
● 2026-06-26 19:42:02
○NSns200.anycast.me2015-06-17 → 2016-02-02 · 4 obs
● 2016-02-02 13:32:10
○ 2016-07-02 03:31:52
○ 2026-06-26 19:42:02
●MXmail.groundzero.fr2026-02-21 → 2026-06-26 · 6 obs
● 2026-02-21 21:23:38
● 2026-03-06 01:35:32
○ 2026-03-08 00:19:46
● 2026-03-11 17:51:30
● 2026-06-26 19:42:02
○MXmx1.ovh.net2015-06-17 → 2017-05-12 · 4 obs
● 2017-05-12 18:13:30
○ 2026-02-21 21:23:38
○ 2026-06-26 19:42:02
○MXmx2.ovh.net2015-06-17 → 2017-05-12 · 4 obs
● 2017-05-12 18:13:30
○ 2026-02-21 21:23:38
○ 2026-06-26 19:42:02
○A109.234.166.232026-02-21 → 2026-04-18 · 8 obs
● 2026-02-21 21:23:38
● 2026-03-06 01:35:32
○ 2026-03-08 00:19:46
● 2026-03-11 17:51:30
● 2026-04-18 03:08:54
○ 2026-04-21 07:46:10
○ 2026-06-26 19:42:02
○A213.186.33.682015-06-17 → 2017-05-12 · 4 obs
● 2017-05-12 18:13:30
○ 2026-02-21 21:23:38
○ 2026-06-26 19:42:02
●A78.40.11.1282026-04-21 → 2026-06-26 · 3 obs
● 2026-04-21 07:46:10
● 2026-06-26 19:42:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| fr | g.ext.nic.fr, d.nic.fr, f.ext.nic.fr | - |
| groundzero.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 groundzero.fr (unsigned zone)
⏱️ Timing
Total: 869ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 78.40.11.128 |
| NS | 2 | ns1.o2switch.net, ns2.o2switch.net |
| MX | 1 | mail.groundzero.fr (pri: 0) |
| TXT | 1 | v=spf1 +mx +a +ip4:109.234.166.23 +inclu |
| SOA | 1 | ns1.o2switch.net sysadmin.o2switch.fr |
Analysis
Hierarchy
mail.groundzero.fr is delegated beneath groundzero.fr.
IP Addresses
groundzero.fr directs to one IP number, which is 78.40.11.128.
Among the host names that share IP numbers with groundzero.fr are explorcom.com, deco-decoration.com, artisanpartenaire.fr and two others.
Name Servers
The NS records for groundzero.fr delegate to ns1.o2switch.net and ns2.o2switch.net.
groundzero.fr has the same name server delegation as a number of other domains, such as gooding-sudouest.fr, bogaert-architecture.com, almeria-oran.com and two more.
groundzero.fr and other domains like mon-devis-alarme.fr share at least a portion of their name servers.
ns1.o2switch.net → 109.234.160.5 and ns2.o2switch.net → 109.234.161.5: one IP number per host name.
Mail Servers
groundzero.fr routes its mail through a single mail server, mail.groundzero.fr.
mail.groundzero.fr resolves to 109.234.166.23 and no other IP number.