plus-system.co.jp - robtex.com
plus-system.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 143.125.245.107🇯🇵 InfoSphere143.125.224.0/19 INFOSPHERE | ||||||
| PTR | plus-system.co.jp | ||||||
| NS | ns4.mcnet.ad.jp ⭐ | ||||||
| A | 210.172.36.182🇯🇵 MCNET210.172.32.0/19 | ||||||
| NS | ns5.mcnet.ad.jp | ||||||
| A | 210.172.36.198🇯🇵 MCNET210.172.32.0/19 | ||||||
| MX | mail.plus-system.co.jp ⭐ | ||||||
| A | 143.125.245.107🇯🇵 InfoSphere143.125.224.0/19 INFOSPHERE | ||||||
| PTR | plus-system.co.jp | ||||||
| TXT | v=spf1 include:plus-system.co.jp.spf.hosting-pf.net ~all | ||||||
| SOA | ns4.mcnet.ad.jppostmaster@mcnet.ad.jp 2010-09-02 #3 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
PTR for
Subdomains
mail.plus-system.co.jp |
Same first word
plus-system.de |
plus-system.co.jp |
Similar names
system-plus.ro |
sys-plustem.com |
system-plus.at |
system-plus.net |
lups-system.de |
system-plus.co.uk |
system-plus.eu |
DNS History
5 records (4 active, 1 former)
●NSns4.mcnet.ad.jp2015-08-16 → 2026-04-28 · 2 obs
● 2026-04-28 04:45:10
●NSns5.mcnet.ad.jp2015-08-16 → 2026-04-28 · 2 obs
● 2026-04-28 04:45:10
●MXmail.plus-system.co.jp2015-08-16 → 2026-04-28 · 2 obs
● 2026-04-28 04:45:10
●A143.125.245.1072026-04-16 → 2026-04-28 · 3 obs
● 2026-04-16 07:16:02
● 2026-04-28 04:45:10
○A203.211.175.1782015-08-16 → 2017-03-23 · 4 obs
● 2017-03-23 17:16:30
○ 2026-04-16 07:16:02
○ 2026-04-28 04:45:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | d.dns.jp, h.dns.jp, a.dns.jp, g.dns.jp... | - |
| plus-system.co.jp | ns4.mcnet.ad.jp, ns5.mcnet.ad.jp | - |
✅ Authoritative Response
Server:210.172.36.182
NS records: ns4.mcnet.ad.jp, ns5.mcnet.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for plus-system.co.jp (unsigned zone)
⏱️ Timing
Total: 1518ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 143.125.245.107 |
| NS | 2 | ns5.mcnet.ad.jp, ns4.mcnet.ad.jp |
| MX | 1 | mail.plus-system.co.jp (pri: 10) |
| TXT | 1 | v=spf1 include:plus-system.co.jp.spf.hos |
| SOA | 1 | ns4.mcnet.ad.jp postmaster.mcnet.ad.jp |
Analysis
Hierarchy
The parent of mail.plus-system.co.jp is plus-system.co.jp.
IP Addresses
plus-system.co.jp points to a single IP: 143.125.245.107.
Other host names, such as mail.plus-system.co.jp, share IP numbers with plus-system.co.jp.
Name Servers
Two name servers ns4.mcnet.ad.jp and ns5.mcnet.ad.jp handle delegation for plus-system.co.jp.
plus-system.co.jp uses the same name server setup as other domains, for example asami.or.jp, ensembleamicus.com, z-service.jp, atari-eng.com and hamarichemicals.com.
Host names with one IP number: The host name ns4.mcnet.ad.jp points to 210.172.36.182 and the host name ns5.mcnet.ad.jp points to 210.172.36.198.
Mail Servers
plus-system.co.jp is handled by a single mail server, mail.plus-system.co.jp.
mail.plus-system.co.jp points to a single IP: 143.125.245.107.