dutory.com - dns.ninja
dutory.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.255.154.107🇫🇷 OVH51.254.0.0/15 | ||||||
| PTR | ip107.ip-51-255-154.eu | ||||||
| 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.dutory.com ⭐ | ||||||
| A | 109.234.162.202🇫🇷 O2SWITCH109.234.162.0/24 o2switch Internet Routing | ||||||
| PTR | 109-234-162-202.reverse.odns.fr | ||||||
| TXT | v=spf1 ip4:109.234.162.202 +a +mx +include:spf.jabatus.fr ~all | ||||||
| SOA | ns1.o2switch.netsystemshl@o2switch.fr 2026-08-11 #1 | ||||||
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=1786952139 | ||||||
Subdomains
mail.dutory.com |
Same first word
dutory.com |
Similar names
DNS History
8 records (4 active, 4 former)
○NSns1.dns.com.cn2015-09-10 → 2016-08-24 · 5 obs
● 2015-09-10 19:24:44
● 2016-08-24 07:32:46
○ 2026-02-22 20:12:36
○ 2026-08-17 07:39:08
●NSns1.o2switch.net2026-02-22 → 2026-08-17 · 3 obs
● 2026-02-22 20:12:36
● 2026-08-17 07:39:08
○NSns2.dns.com.cn2015-07-19 → 2016-08-24 · 4 obs
● 2016-08-24 07:32:46
○ 2026-02-22 20:12:36
○ 2026-08-17 07:39:08
●NSns2.o2switch.net2026-02-22 → 2026-08-17 · 3 obs
● 2026-02-22 20:12:36
● 2026-08-17 07:39:08
●MXmail.dutory.com2026-02-22 → 2026-08-17 · 2 obs
● 2026-08-17 07:39:08
○A103.232.215.1572018-07-04 → 2018-07-04 · 4 obs
● 2018-07-04 04:07:20
○ 2026-02-22 20:12:36
○ 2026-08-17 07:39:08
○A216.158.80.1352015-07-19 → 2015-12-31 · 4 obs
● 2015-12-31 14:23:22
○ 2016-04-28 17:39:18
○ 2026-08-17 07:39:08
●A51.255.154.1072026-02-22 → 2026-08-17 · 3 obs
● 2026-02-22 20:12:36
● 2026-08-17 07:39:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net, i.gtld-servers.net... | - |
| dutory.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 dutory.com (unsigned zone)
⏱️ Timing
Total: 526ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.255.154.107 |
| NS | 2 | ns1.o2switch.net, ns2.o2switch.net |
| MX | 1 | mail.dutory.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:109.234.162.202 +a +mx +inclu |
| SOA | 1 | ns1.o2switch.net systemshl.o2switch.fr |
Analysis
Hierarchy
dutory.com is a parent domain of mail.dutory.com.
IP Addresses
dutory.com points to a single IP number: 51.255.154.107.
Additional host names — technospeed.com, elite-paintball.fr, ameublement-vitton.com and two others — share IP numbers with dutory.com.
Name Servers
dutory.com has two authoritative name servers — ns1.o2switch.net and ns2.o2switch.net.
dutory.com shares its name server setup with other domains, including atelierdulead.com, catherinelakatos.com, samphoto.fr and two others.
The name servers for dutory.com overlap at least partially with those of other domains — for example weekenda2.fr.
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
dutory.com has one mail server: mail.dutory.com.
mail.dutory.com points to one IP number — 109.234.162.202.