grpmail.jp - robtex.com
grpmail.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 113.43.246.38🇯🇵 UCOM113.40.0.0/14 ARTERIA Networks Corporation(UCOM) | ||||||
| PTR | 113x43x246x38.ap113.ftth.arteria-hikari.net | ||||||
| NS | ns01.key-p.co.jp ⭐ | ||||||
| A | 121.83.217.174🇯🇵 eo121.80.0.0/14 K-OPTI.COM | ||||||
| NS | ns02.key-p.co.jp | ||||||
| A | 122.218.100.83🇯🇵 UCOM122.216.0.0/14 ARTERIA Networks Corporation(UCOM) | ||||||
| PTR | 122x218x100x83.ap122.ftth.ucom.ne.jp | ||||||
| MX | grp.grpmail.jp ⭐ | ||||||
| A | 59.190.130.231🇯🇵 eo59.190.0.0/16 OPTAGE Inc. | ||||||
| MX | mx2.key-p.com(50) | ||||||
| A | 121.83.217.174🇯🇵 eo121.80.0.0/14 K-OPTI.COM | ||||||
| TXT | google-site-verification=EjS4SHFdOTeY7AHdkTGuRlbgcq60PZkBHz_wP7q6AbE | ||||||
| SOA | ns01.key-p.co.jproot@ns01.key-p.co.jp 2026-02-26 #2 | ||||||
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=1774662303 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns01.key-p.co.jp2026-02-23 → 2026-03-28 · 2 obs
● 2026-03-28 02:19:28
●NSns02.key-p.co.jp2026-02-23 → 2026-03-28 · 2 obs
● 2026-03-28 02:19:28
●MXgrp.grpmail.jp2026-02-23 → 2026-03-28 · 2 obs
● 2026-03-28 02:19:28
●A113.43.246.382026-02-23 → 2026-03-28 · 2 obs
● 2026-03-28 02:19:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, c.dns.jp, b.dns.jp, d.dns.jp... | - |
| grpmail.jp | ns01.key-p.co.jp, ns02.key-p.co.jp | 2 records |
✅ Authoritative Response
Server:122.218.100.83
NS records: ns01.key-p.co.jp, ns02.key-p.co.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for grpmail.jp (unsigned zone)
⏱️ Timing
Total: 876ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 113.43.246.38 |
| NS | 2 | ns02.key-p.co.jp, ns01.key-p.co.jp |
| MX | 2 | mx2.key-p.com (pri: 50), grp.grpmail.jp (pri: 30) |
| TXT | 1 | google-site-verification=EjS4SHFdOTeY7AH |
| SOA | 1 | ns01.key-p.co.jp root.ns01.key-p.co.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns01.key-p.co.jp, ns02.key-p.co.jp)
Analysis
IP Addresses
grpmail.jp points to a single IP address: 113.43.246.38.
Name Servers
Two name servers ns01.key-p.co.jp and ns02.key-p.co.jp handle the delegation for grpmail.jp.
grpmail.jp shares the same name server setup as other domains, for example e-grp.jp, uni-b.jp, nishipla.or.jp, 144.217.78.202.in-addr.arpa and hpasurvey.jp.
Host names with one IP number:
ns01.key-p.co.jp points to 121.83.217.174; ns02.key-p.co.jp points to 122.218.100.83.
Mail Servers
Two mail servers handle grpmail.jp: mx2.key-p.com and grp.grpmail.jp.
grpmail.jp shares at least partially some mail servers with other domains, for instance mx2.key-p.com, takagi-ele.co.jp, key-p.com, key-p.co.jp and webfile.jp.
these mail servers are often used together with barracuda02.key-p.com, barracuda.key-p.com, wish.webfile.jp and grp.e-grp.jp.
Host names with one IP number:
mx2.key-p.com points to 121.83.217.174; grp.grpmail.jp points to 59.190.130.231.