rowing.jp - dns.ninja
rowing.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 119.245.153.199🇯🇵 InfoSphere119.245.0.0/16 INFOSPHERE | ||||||
| PTR | rowing.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 | rowing.jp ⭐ | ||||||
| A | 119.245.153.199🇯🇵 InfoSphere119.245.0.0/16 INFOSPHERE | ||||||
| PTR | rowing.jp | ||||||
| TXT | v=spf1 include:fmx.etius.jp +ip4:119.245.152.2/32 +ip4:119.245.153.199/32 -all | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1674041611 | ||||||
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=1780781403 | ||||||
PTR for
MX for
rowing.jp |
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●NSns3.sphere.ad.jp2009-01-14 → 2026-06-06 · 2 obs
● 2026-06-06 22:01:04
●NSns4.sphere.ad.jp2009-01-14 → 2026-06-06 · 2 obs
● 2026-06-06 22:01:04
●MXrowing.jp2009-01-14 → 2026-06-06 · 2 obs
● 2026-06-06 22:01:04
●A119.245.153.1992015-06-21 → 2026-06-06 · 3 obs
● 2015-06-21 23:31:06
● 2026-06-06 22:01:04
○A202.212.227.282009-01-14 → 2009-01-14 · 3 obs
○ 2015-06-21 23:31:06
○ 2026-06-06 22:01:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | g.dns.jp, d.dns.jp, e.dns.jp, b.dns.jp... | - |
| rowing.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 rowing.jp (unsigned zone)
⏱️ Timing
Total: 1509ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 119.245.153.199 |
| NS | 2 | ns3.sphere.ad.jp, ns4.sphere.ad.jp |
| MX | 1 | rowing.jp (pri: 10) |
| TXT | 1 | v=spf1 include:fmx.etius.jp +ip4:119.245 |
| SOA | 1 | ns3.sphere.ad.jp dns.sphere.ad.jp |
Analysis
Mail Server Role
The MX record for rowing.jp points back to rowing.jp — it is its own mail server.
IP Addresses
rowing.jp directs to one IP number, which is 119.245.153.199.
Name Servers
rowing.jp is served by two delegated name servers, ns3.sphere.ad.jp and ns4.sphere.ad.jp.
rowing.jp has the same name server delegation as a number of other domains, such as 190.231.210.in-addr.arpa, ps55.test.suite2.arena.ne.jp, nodanamacon.co.jp and two more.
The DNS delegation for rowing.jp at least partly coincides with that of other domains, asuka.to being one example.
ns3.sphere.ad.jp and ns4.sphere.ad.jp each resolve to one IP number: ns3.sphere.ad.jp points to 202.239.113.22 and ns4.sphere.ad.jp points to 202.239.113.30.
Mail Servers
The MX record for rowing.jp points to a single mail server: rowing.jp.
There is one IP number for rowing.jp: 119.245.153.199.