os-labo.com - robtex.com
os-labo.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.157.236.142🇯🇵 STCN210.157.224.0/19 | ||||||
| NS | dns2.fitsite.ne.jp ⭐ | ||||||
| A | 203.139.196.26🇯🇵 STCN203.139.192.0/19 | ||||||
| PTR | ca-bi.fitsite.ne.jp | ||||||
| NS | dns.fitsite.ne.jp | ||||||
| A | 210.157.236.130🇯🇵 STCN210.157.224.0/19 | ||||||
| MX | mail.os-labo.com ⭐ | ||||||
| A | 210.157.236.132🇯🇵 STCN210.157.224.0/19 | ||||||
| TXT | v=spf1 ip4:210.157.236.0/24 -all | ||||||
| SOA | dns.fitsite.ne.jpmakkengy@dns.fitsite.ne.jp 2016-06-29 #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=1784879092 | ||||||
Subdomains
mail.os-labo.com |
Same first word
os-labo.com |
Similar names
DNS History
4 records (4 active, 0 former)
●NSdns.fitsite.ne.jp2016-12-14 → 2026-07-24 · 2 obs
● 2026-07-24 07:52:14
●NSdns2.fitsite.ne.jp2016-12-14 → 2026-07-24 · 2 obs
● 2026-07-24 07:52:14
●MXmail.os-labo.com2016-12-14 → 2026-07-24 · 2 obs
● 2026-07-24 07:52:14
●A210.157.236.1422016-12-14 → 2026-07-24 · 2 obs
● 2026-07-24 07:52:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net... | - |
| os-labo.com | dns2.fitsite.ne.jp, dns.fitsite.ne.jp | - |
✅ Authoritative Response
Server:203.139.196.26
NS records: dns2.fitsite.ne.jp, dns.fitsite.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for os-labo.com (unsigned zone)
⏱️ Timing
Total: 1360ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.157.236.142 |
| NS | 2 | dns.fitsite.ne.jp, dns2.fitsite.ne.jp |
| MX | 1 | mail.os-labo.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:210.157.236.0/24 -all |
| SOA | 1 | dns.fitsite.ne.jp makkengy.dns.fitsite.n |
Analysis
Hierarchy
os-labo.com is a parent domain of mail.os-labo.com.
IP Addresses
os-labo.com has exactly one IP address — 210.157.236.142.
Host names such as sanko-kk.net and de030.fitsite.ne.jp share IP numbers with os-labo.com.
Name Servers
os-labo.com uses two name servers for its delegation: dns2.fitsite.ne.jp and dns.fitsite.ne.jp.
The name server configuration of os-labo.com is shared with other domains, for instance tokuo-ah.com, shimanohikari.or.jp, otknet.jp and two others.
os-labo.com shares at least some of its name servers with other domains, including sanko-kk.net, cityjob.jp, alpha-club.net and two others.
These name servers are frequently seen alongside the name servers sv.alpha-club.net.
dns2.fitsite.ne.jp and dns.fitsite.ne.jp each resolve to one IP number: dns2.fitsite.ne.jp points to 203.139.196.26 and dns.fitsite.ne.jp points to 210.157.236.130.
Mail Servers
os-labo.com uses one mail server — mail.os-labo.com.
mail.os-labo.com directs to just one IP number, 210.157.236.132.