mgu-ps.jp - robtex.com
mgu-ps.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 124.146.219.55🇯🇵 InfoSphere124.146.128.0/17 INFOSPHERE | ||||||
| PTR | mgu-ps.jp | ||||||
| NS | ns3.sphere.ad.jp ⭐ | ||||||
| A | 202.239.113.22🇯🇵 InfoSphere202.239.64.0/18 INFOSPHERE | ||||||
| PTR | ns3.sphere.ad.jp | ||||||
| NS | ns4.sphere.ad.jp | ||||||
| A | 202.239.113.30🇯🇵 InfoSphere202.239.64.0/18 INFOSPHERE | ||||||
| PTR | ns4.sphere.ad.jp | ||||||
| MX | mgu-ps.jp ⭐ | ||||||
| A | 124.146.219.55🇯🇵 InfoSphere124.146.128.0/17 INFOSPHERE | ||||||
| PTR | mgu-ps.jp | ||||||
| TXT | v=spf1 include:fmx.etius.jp +ip4:124.146.218.2/32 +ip4:124.146.219.55/32 -all | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1576034148 | ||||||
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=1778763603 | ||||||
PTR for
MX for
mgu-ps.jp |
Same first word
mgu-ps.jp |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns3.sphere.ad.jp2015-08-07 → 2026-05-14 · 2 obs
● 2026-05-14 13:14:22
●NSns4.sphere.ad.jp2015-08-07 → 2026-05-14 · 2 obs
● 2026-05-14 13:14:22
●MXmgu-ps.jp2015-08-07 → 2026-05-14 · 2 obs
● 2026-05-14 13:14:22
●A124.146.219.552015-08-07 → 2026-05-14 · 2 obs
● 2026-05-14 13:14:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | g.dns.jp, c.dns.jp, e.dns.jp, h.dns.jp... | - |
| mgu-ps.jp | ns3.sphere.ad.jp, ns4.sphere.ad.jp | - |
✅ Authoritative Response
Server:202.239.113.22
NS records: ns3.sphere.ad.jp, ns4.sphere.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mgu-ps.jp (unsigned zone)
⏱️ Timing
Total: 1705ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 124.146.219.55 |
| NS | 2 | ns4.sphere.ad.jp, ns3.sphere.ad.jp |
| MX | 1 | mgu-ps.jp (pri: 10) |
| TXT | 1 | v=spf1 include:fmx.etius.jp +ip4:124.146 |
| SOA | 1 | ns3.sphere.ad.jp dns.sphere.ad.jp |
Analysis
Mail Server Role
mgu-ps.jp serves as a mail server for mgu-ps.jp.
IP Addresses
mgu-ps.jp points to a single IP: 124.146.219.55.
Other host names, for instance psy.meijigakuin.ac.jp, share IP numbers with mgu-ps.jp.
Name Servers
mgu-ps.jp's delegation is to two name servers ns3.sphere.ad.jp and ns4.sphere.ad.jp.
mgu-ps.jp shares the same name server configuration as other domains, such as 139.212.202.in-addr.arpa, hiraodenki.co.jp, sjfg.jp, www.jishujinja.or.jp and suite2-202-212-227-165.on.arena.ne.jp.
mgu-ps.jp shares name servers with other domains at least partially, for example fanet.co.jp.
Host names with a single IP:
ns3.sphere.ad.jp resolves to 202.239.113.22.
ns4.sphere.ad.jp resolves to 202.239.113.30.
Mail Servers
mgu-ps.jp is handled by a single mail server.
mgu-ps.jp points to IP number 124.146.219.55.