bc-osk.com - robtex.com
bc-osk.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.140.118.72🇯🇵 IDC210.140.96.0/19 Frontier Inc. | ||||||
| NS | prvh1022.presinet.ne.jp ⭐ | ||||||
| A | 210.140.118.72🇯🇵 IDC210.140.96.0/19 Frontier Inc. | ||||||
| NS | ns2.bc-osk.com | ||||||
| A | 210.140.118.72🇯🇵 IDC210.140.96.0/19 Frontier Inc. | ||||||
| MX | mail.bc-osk.com ⭐ | ||||||
| A | 210.140.118.72🇯🇵 IDC210.140.96.0/19 Frontier Inc. | ||||||
| TXT | v=spf1 +a +mx +a:prvh1022.presinet.ne.jp -all | ||||||
| SOA | prvh1022.presinet.ne.jpinfo@presinet.ne.jp 2026-03-09 #7 | ||||||
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=1776629112 | ||||||
Subdomains
Same first word
bc-osk.com |
Similar names
DNS History
5 records (4 active, 1 former)
●NSns2.bc-osk.com2018-05-09 → 2026-04-19 · 2 obs
● 2026-04-19 20:11:52
●NSprvh1022.presinet.ne.jp2018-05-09 → 2026-04-19 · 2 obs
● 2026-04-19 20:11:52
●MXmail.bc-osk.com2018-05-09 → 2026-04-19 · 2 obs
● 2026-04-19 20:11:52
○A119.75.238.222018-05-09 → 2026-02-17 · 4 obs
● 2026-02-17 18:10:54
○ 2026-03-12 12:28:58
○ 2026-04-19 20:11:52
●A210.140.118.722026-03-12 → 2026-04-19 · 3 obs
● 2026-03-12 12:28:58
● 2026-04-19 20:11:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net... | - |
| bc-osk.com | prvh1022.presinet.ne.jp, ns2.bc-osk.com | 1 record |
✅ Authoritative Response
Server:119.75.238.22
NS records: prvh1022.presinet.ne.jp, ns2.bc-osk.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bc-osk.com (unsigned zone)
⏱️ Timing
Total: 759ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.140.118.72 |
| NS | 2 | prvh1022.presinet.ne.jp, ns2.bc-osk.com |
| MX | 1 | mail.bc-osk.com (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +a:prvh1022.presinet.ne.jp |
| SOA | 1 | prvh1022.presinet.ne.jp info.presinet.ne |
📌 Glue Records Collected
Total: 1
In-bailiwick: 1 (ns2.bc-osk.com)
Analysis
Hierarchy
bc-osk.com is a parent of ns2.bc-osk.com and mail.bc-osk.com.
IP Addresses
bc-osk.com points to a single IP number: 210.140.118.72.
Other host names, for instance unicohome.com, ns2.n2d.co.jp, ns2.kazusetubikougyou.com, imai-tosouten.com and ns2.a-gcompany.com share IP numbers with bc-osk.com.
Name Servers
Delegation for bc-osk.com rests with two name servers, ns2.bc-osk.com and prvh1022.presinet.ne.jp.
bc-osk.com at least partially shares name servers with other domains, for instance pack-system.co.jp, watanabe-kenchikuten.com, hoyano-kawara.com, yuu-kenchiku-yokohama.co.jp and active-coating.co.jp.
These name servers are commonly used together with the name servers ns2.pack-system.co.jp, ns2.watanabe-kenchikuten.com, ns2.hoyano-kawara.com, ns2.yuu-kenchiku-yokohama.co.jp, ns2.active-coating.co.jp, ns2.mi-ku-ra.com, ns2.sakaitosou.com, ns2.takuto37.com, ns2.fujiikoumuten.net and ns2.presinet.ne.jp.
Host names sharing a single IP:
ns2.bc-osk.com points to 210.140.118.72
prvh1022.presinet.ne.jp points to 210.140.118.72
Host names that point to 210.140.118.72: ns2.bc-osk.com and prvh1022.presinet.ne.jp
Mail Servers
bc-osk.com is handled by a single mail server, mail.bc-osk.com.
mail.bc-osk.com points to a single IP: 210.140.118.72.