office-kosaka.com - robtex.com
office-kosaka.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=1776042002 | ||||||
Previously NS for
office-kosaka.com |
MX for
office-kosaka.com |
Same first word
office-kosaka.com |
DNS History
12 records (7 active, 5 former)
○NSdns01.muumuu-domain.com2018-11-02 → 2018-11-02 · 3 obs
○ 2026-03-13 09:42:06
○ 2026-04-13 01:21:34
○NSdns02.muumuu-domain.com2018-11-02 → 2018-11-02 · 3 obs
○ 2026-03-13 09:42:06
○ 2026-04-13 01:21:34
●NSns1.xserver.jp2026-04-09 → 2026-04-13 · 3 obs
● 2026-04-09 16:15:18
● 2026-04-13 01:21:34
●NSns2.xserver.jp2026-04-09 → 2026-04-13 · 3 obs
● 2026-04-09 16:15:18
● 2026-04-13 01:21:34
●NSns3.xserver.jp2026-04-09 → 2026-04-13 · 3 obs
● 2026-04-09 16:15:18
● 2026-04-13 01:21:34
●NSns4.xserver.jp2026-04-09 → 2026-04-13 · 3 obs
● 2026-04-09 16:15:18
● 2026-04-13 01:21:34
●NSns5.xserver.jp2026-04-09 → 2026-04-13 · 3 obs
● 2026-04-09 16:15:18
● 2026-04-13 01:21:34
○NSoffice-kosaka.com2018-11-02 → 2018-11-02 · 3 obs
○ 2026-03-13 09:42:06
○ 2026-04-13 01:21:34
○MXmx01.lolipop.jp2018-11-02 → 2018-11-02 · 3 obs
○ 2026-03-13 09:42:06
○ 2026-04-13 01:21:34
●MXoffice-kosaka.com2026-04-09 → 2026-04-13 · 3 obs
● 2026-04-09 16:15:18
● 2026-04-13 01:21:34
○A157.7.107.442018-11-02 → 2018-11-02 · 3 obs
○ 2026-03-13 09:42:06
○ 2026-04-13 01:21:34
●A85.131.213.372026-04-09 → 2026-04-13 · 3 obs
● 2026-04-09 16:15:18
● 2026-04-13 01:21:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net... | - |
| office-kosaka.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.170
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-kosaka.com (unsigned zone)
⏱️ Timing
Total: 516ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.131.213.37 |
| NS | 5 | ns2.xserver.jp, ns4.xserver.jp... |
| MX | 1 | office-kosaka.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv16656.xserver.jp +a:office-k |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
For office-kosaka.com, the mail server is office-kosaka.com.
IP Addresses
office-kosaka.com resolves to one IP number: 85.131.213.37.
other host names including cinux.net, www.breakfast.ink, www.thefish.co.jp, taenaka.com and berryjam.jp share IP numbers with office-kosaka.com.
Name Servers
office-kosaka.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
office-kosaka.com at least partially shares name servers with other domains, for instance chamako.net, sankyo-base.co.jp, website-photo.com, furuse-shika.com and u-ron.com.
Host names with 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 with one IP number:
ns2.xserver.jp points to: 35.72.43.26; ns3.xserver.jp points to: 202.226.36.247.
Mail Servers
office-kosaka.com is served by a single mail server, office-kosaka.com.
office-kosaka.com resolves to IP 85.131.213.37.