optcable.net - dns.ninja
optcable.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 203.141.143.106🇯🇵 InfoSphere203.141.128.0/19 INTERLINK | ||||||
| PTR | web09.interlink.or.jp | ||||||
| NS | ddns1.interlink.or.jp ⭐ | ||||||
| A | 203.141.128.39🇯🇵 InfoSphere203.141.128.0/19 INTERLINK | ||||||
| NS | ddns2.interlink.or.jp | ||||||
| A | 163.43.140.44🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | ddns2.interlink.or.jp | ||||||
| MX | mail.optcable.net ⭐ | ||||||
| A | 203.141.143.113🇯🇵 InfoSphere203.141.128.0/19 INTERLINK | ||||||
| PTR | mail02.interlink.or.jp | ||||||
| TXT | v=spf1 include:_spf.eramail.interlink.or.jp ~all | ||||||
| SOA | ddns1.interlink.or.jproot@ddns1.interlink.or.jp serial=1 | ||||||
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=1781383898 | ||||||
Subdomains
mail.optcable.net |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSddns1.interlink.or.jp2015-06-19 → 2026-06-13 · 2 obs
● 2026-06-13 21:03:58
●NSddns2.interlink.or.jp2015-06-19 → 2026-06-13 · 4 obs
○ 2015-10-30 16:36:58
● 2017-10-02 17:48:22
● 2026-06-13 21:03:58
●MXmail.optcable.net2015-06-19 → 2026-06-13 · 2 obs
● 2026-06-13 21:03:58
●A203.141.143.1062015-06-19 → 2026-06-13 · 2 obs
● 2026-06-13 21:03:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| optcable.net | ddns1.interlink.or.jp, ddns2.interlink.or.jp | - |
✅ Authoritative Response
Server:203.141.128.39
NS records: ddns1.interlink.or.jp, ddns2.interlink.or.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optcable.net (unsigned zone)
⏱️ Timing
Total: 1662ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 203.141.143.106 |
| NS | 2 | ddns2.interlink.or.jp, ddns1.interlink.or.jp |
| MX | 1 | mail.optcable.net (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.eramail.interlink.or |
| SOA | 1 | ddns1.interlink.or.jp root.ddns1.interli |
Analysis
Hierarchy
The domain mail.optcable.net falls under the parent optcable.net.
IP Addresses
optcable.net has exactly one IP address — 203.141.143.106.
angel-ring.cc, lovelove.cat, web09.interlink.or.jp plus two other host names have IP numbers in common with optcable.net.
Name Servers
The NS records for optcable.net delegate to ddns1.interlink.or.jp and ddns2.interlink.or.jp.
The name server configuration of optcable.net is shared with other domains, for instance tomofujita.com, 1.143.120.in-addr.arpa, hi-t.co.jp and two others.
At least some of optcable.net's name servers are shared with other domains, for example ghd.co.jp, hanayomewata.co.jp, office330.co.jp and two more.
Each of ddns1.interlink.or.jp and ddns2.interlink.or.jp has one IP address: ddns1.interlink.or.jp uses 203.141.128.39 and ddns2.interlink.or.jp uses 163.43.140.44.
Mail Servers
optcable.net uses one mail server — mail.optcable.net.
mail.optcable.net resolves to 203.141.143.113 and no other IP number.