www.usr.jp - robtex.com
www.usr.jp
| CNAME | sv5.usr.jp | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.242.205.43🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www12269uj.sakura.ne.jp | ||||||
usr.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.242.205.43🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| NS | dns.usr.jp ⭐ | ||||||
| NS | dns.workship.jp ⚠️ Not in zone NS records | ||||||
| NS | dns2.workship.jp ⚠️ Not in zone NS records | ||||||
| NS | sv1.usr.jp ⚠️ Not in parent delegation | ||||||
| NS | usr.jp ⚠️ Not in parent delegation | ||||||
| MX | sv5.usr.jp ⭐ | ||||||
| MX | sv6.usr.jp ⭐ | ||||||
| TXT | v=spf1 +a:mail.usr.jp +a:mail.mgate.org +ip4:49.212.155.249 +ip4:133.242.205.... | ||||||
| SOA | dns.usr.jproot@dns.usr.jp 2024-06-24 #1 | ||||||
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
○A133.242.205.432016-12-26 → 2016-12-26 · 3 obs
● 2016-12-26 08:14:30
○ 2017-08-15 18:42:12
○ 2026-05-13 18:14:24
○ 2017-08-15 18:42:12
○ 2026-05-13 18:14:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| usr.jp | dns.workship.jp, dns2.workship.jp | 2 records |
✅ Authoritative Response
Server:160.16.147.173
NS records: dns.workship.jp, dns2.workship.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usr.jp (unsigned zone)
⏱️ Timing
Total: 3877ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | sv5.usr.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns2.workship.jp, dns.workship.jp)
Analysis
IP Addresses
www.usr.jp maps to IP address 133.242.205.43.
Other host names, for instance sv5.usr.jp, dns.e-it.jp, dmodel.info, mail.mgate.org and www12269uj.sakura.ne.jp share IP numbers with www.usr.jp.