opus-3.net - robtex.com
opus-3.net
net
| 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=1775950472 | ||||||
MX for
opus-3.net |
Same first word
DNS History
8 records (7 active, 1 former)
●NSns1.xserver.jp2015-06-13 → 2026-04-11 · 2 obs
● 2026-04-11 23:52:34
●NSns2.xserver.jp2015-06-13 → 2026-04-11 · 2 obs
● 2026-04-11 23:52:34
●NSns3.xserver.jp2015-06-13 → 2026-04-11 · 2 obs
● 2026-04-11 23:52:34
●NSns4.xserver.jp2015-06-13 → 2026-04-11 · 2 obs
● 2026-04-11 23:52:34
●NSns5.xserver.jp2015-06-13 → 2026-04-11 · 2 obs
● 2026-04-11 23:52:34
●MXopus-3.net2015-06-13 → 2026-04-11 · 2 obs
● 2026-04-11 23:52:34
○A157.112.152.512015-06-13 → 2017-06-18 · 4 obs
● 2017-06-18 16:00:14
○ 2026-02-25 01:59:58
○ 2026-04-11 23:52:34
●A162.43.121.292026-02-25 → 2026-04-11 · 3 obs
● 2026-02-25 01:59:58
● 2026-04-11 23:52:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| opus-3.net | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:157.112.182.218
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 opus-3.net (unsigned zone)
⏱️ Timing
Total: 950ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.121.29 |
| NS | 5 | ns5.xserver.jp, ns4.xserver.jp... |
| MX | 1 | opus-3.net (pri: 0) |
| TXT | 1 | v=spf1 +a:sv14228.xserver.jp +a:opus-3.n |
| SOA | 1 | ns1.xserver.jp root.sv0.xserver.jp |
Analysis
Mail Server Role
opus-3.net serves as a mail server for opus-3.net.
IP Addresses
opus-3.net points to a single IP: 162.43.121.29.
Other host names, for instance lp2.m-kun.com, www.office-km-plus.com, _dc-mx.ef1316a6a3bb.lightwebai.xyz, npo-glea.org and www.ccca.gr.jp share IP numbers with opus-3.net.
Name Servers
opus-3.net is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
opus-3.net at least partially shares its name servers with other domains, for instance maru-chiro.com, shuris.com, nishiokanko.com, adox-fukuoka.jp and sr-onetop.xsrv.jp.
Host names with three IP numbers:
The host name ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246.
The host name ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247.
The host name ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names with one IP number:
The host name ns2.xserver.jp points to: 35.72.43.26.
The host name ns3.xserver.jp points to: 202.226.36.247.
Mail Servers
opus-3.net is handled by a single mail server.
opus-3.net points to IP number 162.43.121.29.