j-bridge.jp - robtex.com
j-bridge.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 161.34.5.62🇯🇵 InfoSphere161.34.0.0/16 INFOSPHERE | ||||||
| PTR | j-bridge.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 | j-bridge.jp ⭐ | ||||||
| A | 161.34.5.62🇯🇵 InfoSphere161.34.0.0/16 INFOSPHERE | ||||||
| PTR | j-bridge.jp | ||||||
| TXT | v=spf1 include:fmx.etius.jp +ip4:161.34.5.2/32 +ip4:161.34.5.62/32 -all | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1568712486 | ||||||
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=1777053603 | ||||||
PTR for
MX for
j-bridge.jp |
Same first word
DNS History
7 records (4 active, 3 former)
○NSasns1.customer.ne.jp2015-08-15 → 2017-04-11 · 4 obs
● 2017-04-11 01:52:48
○ 2026-04-24 18:56:22
○ 2026-04-24 18:56:24
○NSasns2.customer.ne.jp2015-08-15 → 2017-04-11 · 4 obs
● 2017-04-11 01:52:48
○ 2026-04-24 18:56:22
○ 2026-04-24 18:56:24
●NSns3.sphere.ad.jp2026-04-24 → 2026-04-24 · 3 obs
● 2026-04-24 18:56:22
● 2026-04-24 18:56:24
●NSns4.sphere.ad.jp2026-04-24 → 2026-04-24 · 3 obs
● 2026-04-24 18:56:22
● 2026-04-24 18:56:24
●MXj-bridge.jp2015-08-15 → 2026-04-24 · 2 obs
● 2026-04-24 18:56:24
●A161.34.5.622026-04-24 → 2026-04-24 · 3 obs
● 2026-04-24 18:56:22
● 2026-04-24 18:56:24
○A60.43.184.2102015-08-15 → 2017-04-11 · 4 obs
● 2017-04-11 01:52:48
○ 2026-04-24 18:56:22
○ 2026-04-24 18:56:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| j-bridge.jp | ns4.sphere.ad.jp, ns3.sphere.ad.jp | - |
✅ Authoritative Response
Server:202.239.113.30
NS records: ns4.sphere.ad.jp, ns3.sphere.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for j-bridge.jp (unsigned zone)
⏱️ Timing
Total: 1963ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 161.34.5.62 |
| NS | 2 | ns4.sphere.ad.jp, ns3.sphere.ad.jp |
| MX | 1 | j-bridge.jp (pri: 10) |
| TXT | 1 | v=spf1 include:fmx.etius.jp +ip4:161.34. |
| SOA | 1 | ns3.sphere.ad.jp dns.sphere.ad.jp |
Analysis
Mail Server Role
j-bridge.jp serves as the mail server for j-bridge.jp.
IP Addresses
j-bridge.jp points to IP number: 161.34.5.62.
Name Servers
j-bridge.jp is delegated to two name servers: ns3.sphere.ad.jp and ns4.sphere.ad.jp.
j-bridge.jp shares the same name server setup as snow-bullet.com, jiyu-musashino.org, 223.125.143.in-addr.arpa, anansyakyo.or.jp and kanai.or.jp.
j-bridge.jp shares some name servers with other domains, for instance zero-x.co.jp.
Host names with a single IP:
ns3.sphere.ad.jp points to 202.239.113.22.
ns4.sphere.ad.jp points to 202.239.113.30.
Mail Servers
j-bridge.jp is handled by a single mail server, j-bridge.jp.
j-bridge.jp points to a single IP: 161.34.5.62.