splus.jp - robtex.com
splus.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 143.125.254.240🇯🇵 InfoSphere143.125.224.0/19 INFOSPHERE | ||||||
| PTR | splus.jp | ||||||
| NS | fns01.mcnet.ad.jp ⭐ | ||||||
| A | 2001:350:2:16::4🇯🇵 MCNET2001:350::/32 NTT SmartConnect Corp. | ||||||
| A | 210.172.36.178🇯🇵 MCNET210.172.32.0/19 | ||||||
| PTR | fns01.mcnet.ad.jp | ||||||
| NS | fns02.mcnet.ad.jp | ||||||
| A | 2001:350:2:17::5🇯🇵 MCNET2001:350::/32 NTT SmartConnect Corp. | ||||||
| A | 210.172.36.186🇯🇵 MCNET210.172.32.0/19 | ||||||
| PTR | fns02.mcnet.ad.jp | ||||||
| NS | fns03.mcnet.ad.jp | ||||||
| A | 2001:350:2:18::4🇯🇵 MCNET2001:350::/32 NTT SmartConnect Corp. | ||||||
| A | 210.172.36.194🇯🇵 MCNET210.172.32.0/19 | ||||||
| PTR | fns03.mcnet.ad.jp | ||||||
| MX | mail.splus.jp ⭐ | ||||||
| A | 143.125.254.240🇯🇵 InfoSphere143.125.224.0/19 INFOSPHERE | ||||||
| PTR | splus.jp | ||||||
| TXT | v=spf1 include:splus.jp.spf.hosting-pf.net ~all | ||||||
| SOA | fns01.mcnet.ad.jppostmaster@mcnet.ad.jp 2026-02-06 #3 | ||||||
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=1778352303 | ||||||
PTR for
Subdomains
mail.splus.jp |
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSfns01.mcnet.ad.jp2026-04-11 → 2026-05-09 · 3 obs
● 2026-04-11 01:43:28
● 2026-05-09 19:10:24
●NSfns02.mcnet.ad.jp2026-04-11 → 2026-05-09 · 3 obs
● 2026-04-11 01:43:28
● 2026-05-09 19:10:24
●NSfns03.mcnet.ad.jp2026-04-11 → 2026-05-09 · 3 obs
● 2026-04-11 01:43:28
● 2026-05-09 19:10:24
○NSns4.mcnet.ad.jp2016-01-25 → 2017-05-22 · 4 obs
● 2017-05-22 20:27:16
○ 2026-04-11 01:43:28
○ 2026-05-09 19:10:24
○NSns5.mcnet.ad.jp2016-01-25 → 2017-05-22 · 4 obs
● 2017-05-22 20:27:16
○ 2026-04-11 01:43:28
○ 2026-05-09 19:10:24
●MXmail.splus.jp2016-01-25 → 2026-05-09 · 2 obs
● 2026-05-09 19:10:24
●A143.125.254.2402026-04-11 → 2026-05-09 · 3 obs
● 2026-04-11 01:43:28
● 2026-05-09 19:10:24
○A203.211.179.902016-01-25 → 2017-05-22 · 4 obs
● 2017-05-22 20:27:16
○ 2026-04-11 01:43:28
○ 2026-05-09 19:10:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| splus.jp | fns02.mcnet.ad.jp, fns01.mcnet.ad.jp, fns03.mcnet.ad.jp | - |
✅ Authoritative Response
Server:210.172.36.186
NS records: fns02.mcnet.ad.jp, fns01.mcnet.ad.jp, fns03.mcnet.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for splus.jp (unsigned zone)
⏱️ Timing
Total: 1458ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 143.125.254.240 |
| NS | 3 | fns03.mcnet.ad.jp, fns02.mcnet.ad.jp... |
| MX | 1 | mail.splus.jp (pri: 10) |
| TXT | 1 | v=spf1 include:splus.jp.spf.hosting-pf.n |
| SOA | 1 | fns01.mcnet.ad.jp postmaster.mcnet.ad.jp |
Analysis
Hierarchy
splus.jp is the parent of mail.splus.jp.
IP Addresses
splus.jp resolves to one IP number: 143.125.254.240.
Other host names, for instance mail.splus.jp, share IP numbers with splus.jp.
Name Servers
splus.jp is delegated to three name servers fns01.mcnet.ad.jp, fns02.mcnet.ad.jp and fns03.mcnet.ad.jp.
splus.jp at least partially shares name servers with other domains, for instance ideep.com, kumasan.co.jp, shinkohir.co.jp, lslms.jp and nishijyu.co.jp.
These name servers are commonly used alongside pdns1.nifty.ad.jp and pdns2.nifty.ad.jp.
Host names with two IP numbers:
fns01.mcnet.ad.jp points to: 2001:350:2:16::4 and 210.172.36.178.
fns02.mcnet.ad.jp points to: 2001:350:2:17::5 and 210.172.36.186.
fns03.mcnet.ad.jp points to: 2001:350:2:18::4 and 210.172.36.194.
Mail Servers
splus.jp is handled by a single mail server, mail.splus.jp.
mail.splus.jp resolves to IP 143.125.254.240.