2sys.fr - dns.ninja
2sys.fr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 109.234.166.138🇫🇷 O2SWITCH109.234.164.0/22 | ||||||
| PTR | 109-234-166-138.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.2sys.fr ⭐ | ||||||
| A | 109.234.166.138🇫🇷 O2SWITCH109.234.164.0/22 | ||||||
| PTR | 109-234-166-138.reverse.odns.fr | ||||||
| TXT | v=spf1 ip4:109.234.166.138 +a +mx +include:spf.jabatus.fr ~all | ||||||
| SOA | ns1.o2switch.netsysadmin@o2switch.fr 2026-02-28 #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 | 163 RRs processed [08/08/2026 11H31:01] | ||||||
| SOA | a.nic.frdnsmaster@afnic.fr serial=2246134848 | ||||||
Previously MX for
2sys.fr |
Subdomains
mail.2sys.fr |
Same first word
Similar names
y2ss.net |
ssy2.com |
sys2.com |
sys2.eu |
sy2s.com |
sys2.org |
sys2.win |
sys2.biz |
2yss.com |
sys2.de |
sys2.be |
s2sy.com |
sys2.net |
sys2.pt |
2ssy.cn |
y2ss.com |
sys2.ru |
DNS History
6 records (4 active, 2 former)
●NSns1.o2switch.net2015-06-22 → 2026-08-08 · 2 obs
● 2026-08-08 11:43:08
●NSns2.o2switch.net2015-06-22 → 2026-08-08 · 2 obs
● 2026-08-08 11:43:08
○MX2sys.fr2015-06-22 → 2026-02-22 · 4 obs
● 2026-02-22 21:32:10
○ 2026-03-03 06:25:18
○ 2026-08-08 11:43:08
●MXmail.2sys.fr2026-03-03 → 2026-08-08 · 3 obs
● 2026-03-03 06:25:18
● 2026-08-08 11:43:08
○A109.234.160.132015-06-22 → 2026-02-22 · 4 obs
● 2026-02-22 21:32:10
○ 2026-03-03 06:25:18
○ 2026-08-08 11:43:08
●A109.234.166.1382026-03-03 → 2026-08-08 · 3 obs
● 2026-03-03 06:25:18
● 2026-08-08 11:43:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| fr | f.ext.nic.fr, d.nic.fr, g.ext.nic.fr | - |
| 2sys.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 2sys.fr (unsigned zone)
⏱️ Timing
Total: 1052ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 109.234.166.138 |
| NS | 2 | ns2.o2switch.net, ns1.o2switch.net |
| MX | 1 | mail.2sys.fr (pri: 0) |
| TXT | 1 | v=spf1 ip4:109.234.166.138 +a +mx +inclu |
| SOA | 1 | ns1.o2switch.net sysadmin.o2switch.fr |
Analysis
Hierarchy
2sys.fr serves as the parent of mail.2sys.fr.
IP Addresses
2sys.fr has exactly one IP address — 109.234.166.138.
mail.davidhaddad.com, recambiosberengeno.com, mail.2sys.fr plus two other host names have IP numbers in common with 2sys.fr.
Name Servers
2sys.fr has two authoritative name servers — ns1.o2switch.net and ns2.o2switch.net.
The name server configuration of 2sys.fr is shared with other domains, for instance training-therapie.fr, randonova.com, wang-technologies.com and two others.
ns1.o2switch.net directs to 109.234.160.5 and ns2.o2switch.net directs to 109.234.161.5; each host name points to exactly one IP number.
Mail Servers
2sys.fr uses one mail server — mail.2sys.fr.
mail.2sys.fr points to one IP number — 109.234.166.138.