micdev.jp - dns.ninja
micdev.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.231.181.23🇯🇵 InfoSphere210.231.128.0/18 INFOSPHERE | ||||||
| PTR | micdev.jp | ||||||
| NS | 01.dnsv.jp ⭐ | ||||||
| A | 2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc. | ||||||
| PTR | 01.dnsv.jp | ||||||
| A | 157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 01.dnsv.jp | ||||||
| NS | 02.dnsv.jp | ||||||
| A | 157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 02.dnsv.jp | ||||||
| NS | 03.dnsv.jp | ||||||
| A | 2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc. | ||||||
| PTR | 03.dnsv.jp | ||||||
| A | 157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 03.dnsv.jp | ||||||
| NS | 04.dnsv.jp | ||||||
| A | 2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc. | ||||||
| PTR | 04.dnsv.jp | ||||||
| A | 157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 04.dnsv.jp | ||||||
| MX | micdev.jp ⭐ | ||||||
| A | 210.231.181.23🇯🇵 InfoSphere210.231.128.0/18 INFOSPHERE | ||||||
| PTR | micdev.jp | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1781231217 | ||||||
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=1781448302 | ||||||
PTR for
MX for
micdev.jp |
Subdomains
m7g.micdev.jp |
Same first word
Similar names
DNS History
7 records (6 active, 1 former)
●MXmicdev.jp2018-08-03 → 2026-06-14 · 2 obs
● 2026-06-14 15:08:24
○A153.127.251.1512018-08-03 → 2018-08-03 · 3 obs
○ 2026-02-27 21:51:38
○ 2026-06-14 15:08:24
●A210.231.181.232026-02-27 → 2026-06-14 · 3 obs
● 2026-02-27 21:51:38
● 2026-06-14 15:08:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| micdev.jp | 02.dnsv.jp, 04.dnsv.jp, 01.dnsv.jp, 03.dnsv.jp | 7 records |
✅ Authoritative Response
Server:157.7.33.53
NS records: 02.dnsv.jp, 04.dnsv.jp, 01.dnsv.jp, 03.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for micdev.jp (unsigned zone)
⏱️ Timing
Total: 1177ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.231.181.23 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | micdev.jp (pri: 10) |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
📌 Glue Records Collected
Total: 7
Out-of-bailiwick: 7 (04.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp...)
Analysis
Hierarchy
m7g.micdev.jp is a subdomain of micdev.jp.
Mail Server Role
The MX record for micdev.jp points back to micdev.jp — it is its own mail server.
IP Addresses
micdev.jp directs to one IP number, which is 210.231.181.23.
Name Servers
The domain micdev.jp is delegated to these four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
The name servers of micdev.jp overlap at least partially with those of other domains — among them akaruclub.jp, jobmyanmar.jp, scarpenb.top and two more.
Hosts with two IP numbers each:
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.
Hosts that resolve to one IP address:
02.dnsv.jp directs to 157.7.33.53.
Mail Servers
The MX record for micdev.jp points to a single mail server: micdev.jp.
micdev.jp has exactly one IP number: 210.231.181.23.