office-oka.com - robtex.com
office-oka.com
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=1786678989 | ||||||
MX for
office-oka.com |
Subdomains
mail.office-oka.com |
Same first word
office-oka.com |
Similar names
DNS History
11 records (7 active, 4 former)
○NSdns0.heteml.jp2015-08-19 → 2017-03-15 · 5 obs
● 2015-08-19 01:46:34
● 2017-03-15 05:55:38
○ 2026-04-07 02:58:04
○ 2026-08-14 04:02:58
○NSdns1.heteml.jp2015-08-19 → 2017-03-15 · 5 obs
● 2015-08-19 01:46:34
● 2017-03-15 05:55:38
○ 2026-04-07 02:58:04
○ 2026-08-14 04:02:58
●NSns1.xserver.jp2026-04-07 → 2026-08-14 · 3 obs
● 2026-04-07 02:58:04
● 2026-08-14 04:02:58
●NSns2.xserver.jp2026-04-07 → 2026-08-14 · 3 obs
● 2026-04-07 02:58:04
● 2026-08-14 04:02:58
●NSns3.xserver.jp2026-04-07 → 2026-08-14 · 3 obs
● 2026-04-07 02:58:04
● 2026-08-14 04:02:58
●NSns4.xserver.jp2026-04-07 → 2026-08-14 · 3 obs
● 2026-04-07 02:58:04
● 2026-08-14 04:02:58
●NSns5.xserver.jp2026-04-07 → 2026-08-14 · 3 obs
● 2026-04-07 02:58:04
● 2026-08-14 04:02:58
○MXmail32.heteml.jp2015-08-19 → 2017-03-15 · 5 obs
● 2015-08-19 01:46:34
● 2017-03-15 05:55:38
○ 2026-04-07 02:58:04
○ 2026-08-14 04:02:58
●MXoffice-oka.com2026-04-07 → 2026-08-14 · 3 obs
● 2026-04-07 02:58:04
● 2026-08-14 04:02:58
●A103.141.96.1562026-04-07 → 2026-08-14 · 3 obs
● 2026-04-07 02:58:04
● 2026-08-14 04:02:58
○A157.7.188.1242015-08-19 → 2017-03-15 · 5 obs
● 2015-08-19 01:46:34
● 2017-03-15 05:55:38
○ 2026-04-07 02:58:04
○ 2026-08-14 04:02:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net... | - |
| office-oka.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.247
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for office-oka.com (unsigned zone)
⏱️ Timing
Total: 1804ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.141.96.156 |
| NS | 5 | ns3.xserver.jp, ns2.xserver.jp... |
| MX | 1 | office-oka.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv10795.xserver.jp +a:office-o |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Hierarchy
office-oka.com is a parent domain of mail.office-oka.com.
Mail Server Role
office-oka.com serves as a mail server for office-oka.com.
IP Addresses
office-oka.com has exactly one IP address — 103.141.96.156.
sentakuya.com, curecare.jp, utilite.jp plus two other host names have IP numbers in common with office-oka.com.
Name Servers
Five name servers handle delegation for office-oka.com: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
office-oka.com shares at least some of its name servers with other domains, including fmmie.jp, itwo.biz, ronronpao.com and two others.
These name servers are frequently paired with the name servers ns4.xserver.jp and ns5.xserver.jp.
Host names carrying three IP numbers:
ns1.xserver.jp points to 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp points to 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp points to 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names resolving to a single IP address:
ns2.xserver.jp points to 35.72.43.26.
ns3.xserver.jp points to 202.226.36.247.
Mail Servers
office-oka.com uses exactly one mail server, which is office-oka.com.
office-oka.com resolves to a single IP number: 103.141.96.156.