301dev.com - dns.ninja
301dev.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 109.234.161.228🇫🇷 O2SWITCH109.234.161.0/24 o2switch Internet Routing | ||||||
| PTR | 109-234-161-228.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-3270.301dev.com ⭐ | ||||||
| A | 109.234.161.228🇫🇷 O2SWITCH109.234.161.0/24 o2switch Internet Routing | ||||||
| PTR | 109-234-161-228.reverse.odns.fr | ||||||
| TXT | v=spf1 ip4:109.234.161.228 +a +mx +include:spf.jabatus.fr ~all | ||||||
| TXT | google-site-verification=z8ID-D28Bng4nGQkcKgawc3Wz0PbrSy6GOoLfIRmTjY | ||||||
| SOA | ns1.o2switch.netsystemshl@o2switch.fr 2026-10-14 #48 | ||||||
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=1792508839 | ||||||
Subdomains
mail-3270.301dev.com |
Same first word
Similar names
dev130.vercel.app |
dev301.com |
dev103.now.sh |
103dev.com |
dev301.dev |
de30v1.com |
dev130.ph |
dev130.com.mx |
310dev.com |
dev301.pages.dev |
dev103.vercel.app |
103dev.live |
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●NSns1.o2switch.net2026-08-29 → 2026-10-20 · 2 obs
● 2026-10-20 15:35:18
●NSns2.o2switch.net2026-08-29 → 2026-10-20 · 2 obs
● 2026-10-20 15:35:18
●MXmail-3270.301dev.com2026-08-29 → 2026-10-20 · 2 obs
● 2026-10-20 15:35:18
●A109.234.161.2282026-08-29 → 2026-10-20 · 2 obs
● 2026-10-20 15:35:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 301dev.com | 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)
Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)
⏱️ Timing
Total: 1067ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 109.234.161.228 |
| NS | 2 | ns2.o2switch.net, ns1.o2switch.net |
| MX | 1 | mail-3270.301dev.com (pri: 0) |
| TXT | 2 | v=spf1 ip4:109.234.161.228 +a +mx +inclu, google-site-verification=z8ID-D28Bng4nGQ |
| SOA | 1 | ns1.o2switch.net systemshl.o2switch.fr |
Analysis
Hierarchy
The domain mail-3270.301dev.com falls under the parent 301dev.com.
IP Addresses
301dev.com points to a single IP number: 109.234.161.228.
Additional host names — marionbon-hypnose.com, christophe-guerin.com, osteopathesliege.be and two others — share IP numbers with 301dev.com.
Name Servers
301dev.com is served by two delegated name servers, ns1.o2switch.net and ns2.o2switch.net.
301dev.com shares its name server setup with other domains, including couvreur-91-couverture.fr, hameau-clos.fr, fascia-david-mezerette.fr and two others.
Each of ns1.o2switch.net and ns2.o2switch.net has one IP address: ns1.o2switch.net uses 109.234.160.5 and ns2.o2switch.net uses 109.234.161.5.
Mail Servers
301dev.com has one mail server: mail-3270.301dev.com.
There is one IP number for mail-3270.301dev.com: 109.234.161.228.