optim-net.jp - dns.ninja
optim-net.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=1784884502 | ||||||
Same first word
optim-net.jp |
Similar names
DNS History
14 records (10 active, 4 former)
●NS01.dnsv.jp2026-03-09 → 2026-07-24 · 3 obs
● 2026-03-09 03:25:36
● 2026-07-24 09:41:34
●NS02.dnsv.jp2026-03-09 → 2026-07-24 · 3 obs
● 2026-03-09 03:25:36
● 2026-07-24 09:41:34
●NS03.dnsv.jp2026-03-09 → 2026-07-24 · 3 obs
● 2026-03-09 03:25:36
● 2026-07-24 09:41:34
●NS04.dnsv.jp2026-03-09 → 2026-07-24 · 3 obs
● 2026-03-09 03:25:36
● 2026-07-24 09:41:34
○NSns.optim-net.jp2015-07-07 → 2019-03-21 · 4 obs
● 2019-03-21 14:02:18
○ 2026-03-09 03:25:36
○ 2026-07-24 09:41:34
○NSns04.xbit.jp2015-07-07 → 2019-03-21 · 4 obs
● 2019-03-21 14:02:18
○ 2026-03-09 03:25:36
○ 2026-07-24 09:41:34
●MXalt1.aspmx.l.google.com2026-03-09 → 2026-07-24 · 3 obs
● 2026-03-09 03:25:36
● 2026-07-24 09:41:34
●MXalt2.aspmx.l.google.com2026-03-09 → 2026-07-24 · 3 obs
● 2026-03-09 03:25:36
● 2026-07-24 09:41:34
●MXalt3.aspmx.l.google.com2026-03-09 → 2026-07-24 · 3 obs
● 2026-03-09 03:25:36
● 2026-07-24 09:41:34
●MXalt4.aspmx.l.google.com2026-03-09 → 2026-07-24 · 3 obs
● 2026-03-09 03:25:36
● 2026-07-24 09:41:34
●MXaspmx.l.google.com2026-03-09 → 2026-07-24 · 3 obs
● 2026-03-09 03:25:36
● 2026-07-24 09:41:34
○MXmail.optim-net.jp2015-07-07 → 2019-03-21 · 4 obs
● 2019-03-21 14:02:18
○ 2026-03-09 03:25:36
○ 2026-07-24 09:41:34
○A59.106.119.782015-07-07 → 2019-03-21 · 4 obs
● 2019-03-21 14:02:18
○ 2026-03-09 03:25:36
○ 2026-07-24 09:41:34
●A85.131.209.552026-03-09 → 2026-07-24 · 3 obs
● 2026-03-09 03:25:36
● 2026-07-24 09:41:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| optim-net.jp | 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp | 7 records |
✅ Authoritative Response
Server:157.7.34.53
NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optim-net.jp (unsigned zone)
⏱️ Timing
Total: 888ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.131.209.55 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), alt2.aspmx.l.google.com (pri: 5)... |
| TXT | 3 | v=spf1 include:_spf.google.com ~all, 78b93fhsbihdbqrji7jjml00g5... |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
📌 Glue Records Collected
Total: 7
Out-of-bailiwick: 7 (01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp...)
Analysis
IP Addresses
optim-net.jp points to a single IP number: 85.131.209.55.
Additional host names — m-kamikura.com, so-mo.net, ns1.takamatsu-med.com and two others — share IP numbers with optim-net.jp.
Name Servers
optim-net.jp has four authoritative name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
At least some of optim-net.jp's name servers are shared with other domains, for example momojo.net, timespace24.com, kisoji.net and two more.
Host names with two IP numbers:
01.dnsv.jp has two IP addresses: 157.7.32.53 and 2400:8500:3300::53.
03.dnsv.jp has two IP addresses: 157.7.34.53 and 2400:8500:3000::53.
04.dnsv.jp has two IP addresses: 157.7.35.53 and 2400:8500:3fff::53.
Host names pointing to a single IP address:
02.dnsv.jp directs to 157.7.33.53.
Mail Servers
Five mail servers handle optim-net.jp: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
optim-net.jp shares mail servers — at least in part — with other domains, including rentokil-initial-hk.com, jammcs.com, raecrowther.com and two others.
These mail servers are frequently used alongside mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other.
Host names with two IP numbers:
aspmx.l.google.com has two IP addresses: 192.178.155.27 and 2607:f8b0:4004:c1b::1b.
alt1.aspmx.l.google.com has two IP addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com has two IP addresses: 172.253.157.26 and 2a00:1450:400c:c23::1a.