yui-system.jp - robtex.com
yui-system.jp
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1775943902 | ||||||
Subdomains
Same first word
yui-system.jp |
DNS History
5 records (4 active, 1 former)
●NSdns.yui-system.jp2015-07-07 → 2026-04-11 · 2 obs
● 2026-04-11 21:52:40
●NSns1.stnet.ad.jp2026-04-07 → 2026-04-11 · 3 obs
● 2026-04-07 15:36:50
● 2026-04-11 21:52:40
●NSstnet.yui-system.jp2015-07-07 → 2026-04-11 · 2 obs
● 2026-04-11 21:52:40
○MXmx.yui-system.jp2015-07-07 → 2018-12-11 · 4 obs
● 2018-12-11 21:41:24
○ 2026-04-07 15:36:50
○ 2026-04-11 21:52:40
●MXyuisystem-jp0i.mail.protection.outlook.com2026-04-07 → 2026-04-11 · 3 obs
● 2026-04-07 15:36:50
● 2026-04-11 21:52:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | c.dns.jp, a.dns.jp, g.dns.jp, e.dns.jp... | - |
| yui-system.jp | dns.yui-system.jp, ns1.stnet.ad.jp | 2 records |
✅ Authoritative Response
Server:219.166.149.106
NS records: dns.yui-system.jp, ns1.stnet.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for yui-system.jp (unsigned zone)
⏱️ Timing
Total: 546ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | stnet.yui-system.jp, dns.yui-system.jp |
| MX | 1 | yuisystem-jp0i.mail.protection.outlook.c |
| TXT | 2 | MS=F10607D00DE116C88DDC0C64E638C590AAAC4, v=spf1 +ip4:219.166.149.110 include:spf. |
| SOA | 1 | dns.yui-system.jp it.yui-sysytem.jp |
📌 Glue Records Collected
Total: 2
In-bailiwick: 1 (dns.yui-system.jp)
Out-of-bailiwick: 1 (ns1.stnet.ad.jp)
Analysis
Hierarchy
yui-system.jp is a parent of dns.yui-system.jp, www.yui-system.jp and stnet.yui-system.jp.
Name Servers
yui-system.jp is delegated to three name servers: dns.yui-system.jp, stnet.yui-system.jp and ns1.stnet.ad.jp.
yui-system.jp partially shares name servers with other domains; examples include vill.mihara.kochi.jp, 040a.12.206.61.in-addr.arpa, ymw.ne.jp, 230.142.210.in-addr.arpa and ninjin.co.jp.
These name servers are commonly used alongside ns2.stnet.ad.jp, ns.hearts.ne.jp, ns1.baobab.or.jp, ns2.baobab.or.jp, ns4.neobb.ne.jp, ns.awaikeda.net, ns1.mss.stnet.co.jp, ns.ymw.co.jp, is.aikendenko.co.jp and dns1.ninjin.co.jp.
Hostnames with a single IP address:
dns.yui-system.jp points to 219.166.149.106
stnet.yui-system.jp points to 210.157.224.7
ns1.stnet.ad.jp points to 210.157.224.7
Hostnames pointing to 210.157.224.7: stnet.yui-system.jp and ns1.stnet.ad.jp
Mail Servers
yui-system.jp is handled by a single mail server, yuisystem-jp0i.mail.protection.outlook.com.
Hostname yuisystem-jp0i.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:cc1a::1, 2a01:111:f403:cc1a::2, 2a01:111:f403:cc1a::3, 2a01:111:f403:cc1f::, 52.101.124.0, 52.101.124.5, 52.101.124.6 and 52.101.157.11.