o-first.com - robtex.com
o-first.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.118.222.239🇯🇵 ASJ219.118.192.0/19 INC. IPv4 CIDR-block NO.1 | ||||||
| NS | ns2.asj-hosting.net ⭐ | ||||||
| A | 219.118.212.6🇯🇵 ASJ219.118.192.0/19 INC. IPv4 CIDR-block NO.1 | ||||||
| PTR | ns2.asj-hosting.net | ||||||
| NS | ns.asj-hosting.net | ||||||
| A | 219.118.193.4🇯🇵 ASJ219.118.192.0/19 INC. IPv4 CIDR-block NO.1 | ||||||
| PTR | ns.asj-hosting.net | ||||||
| MX | imx36.asj-hosting.net ⭐ | ||||||
| A | 219.118.222.240🇯🇵 ASJ219.118.192.0/19 INC. IPv4 CIDR-block NO.1 | ||||||
| SOA | ns.asj-hosting.netadministrator@asj-hosting.net 2025-11-27 #0 | ||||||
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=1774711657 | ||||||
Same first word
o-first.com |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns.asj-hosting.net2015-08-21 → 2026-03-28 · 2 obs
● 2026-03-28 15:51:36
●NSns2.asj-hosting.net2015-08-21 → 2026-03-28 · 2 obs
● 2026-03-28 15:51:36
●MXimx36.asj-hosting.net2015-08-21 → 2026-03-28 · 2 obs
● 2026-03-28 15:51:36
●A219.118.222.2392015-08-21 → 2026-03-28 · 2 obs
● 2026-03-28 15:51:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| o-first.com | ns.asj-hosting.net, ns2.asj-hosting.net | - |
✅ Authoritative Response
Server:219.118.212.6
NS records: ns.asj-hosting.net, ns2.asj-hosting.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for o-first.com (unsigned zone)
⏱️ Timing
Total: 1047ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.118.222.239 |
| NS | 2 | ns2.asj-hosting.net, ns.asj-hosting.net |
| MX | 1 | imx36.asj-hosting.net (pri: 10) |
| SOA | 1 | ns.asj-hosting.net administrator.asj-hos |
Analysis
IP Addresses
o-first.com points to a single IP address: 219.118.222.239.
Other host names such as prolinks.co.jp, unipro-net.com, hirao.jp, sansuu.net and naraou.com share IP numbers with o-first.com.
Name Servers
o-first.com is delegated to two name servers: ns2.asj-hosting.net and ns.asj-hosting.net.
o-first.com uses the same name server setup as other domains, including tbc.ne.jp, twks.co.jp, sumiden.net, yuusuke.com and ilo.jp.
Hostnames with a single IP
ns2.asj-hosting.net resolves to: 219.118.212.6.
ns.asj-hosting.net resolves to: 219.118.193.4.
Mail Servers
The mail server for o-first.com is imx36.asj-hosting.net.
o-first.com uses the same mail server setup as other domains, for instance armlink.jp, ecokyoto.jp, ouiui.co.jp, aztic.jp and ecolas-inst.co.jp.
Host imx36.asj-hosting.net points to IP 219.118.222.240.