npinc.jp - robtex.com
npinc.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.7.44.177🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | users259.vip.heteml.jp | ||||||
| NS | 01.dnsv.jp ⭐ | ||||||
| A | 2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc. | ||||||
| PTR | 01.dnsv.jp | ||||||
| A | 157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 01.dnsv.jp | ||||||
| NS | 02.dnsv.jp | ||||||
| A | 157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 02.dnsv.jp | ||||||
| NS | 03.dnsv.jp | ||||||
| A | 2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc. | ||||||
| PTR | 03.dnsv.jp | ||||||
| A | 157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 03.dnsv.jp | ||||||
| NS | 04.dnsv.jp | ||||||
| A | 2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc. | ||||||
| PTR | 04.dnsv.jp | ||||||
| A | 157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 04.dnsv.jp | ||||||
| MX | mail26.heteml.jp ⭐ | ||||||
| A | 157.7.189.15🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | mail-proxy.heteml.jp | ||||||
| TXT | google-site-verification=cxVru82VU1svcJcbiyZCmw090XbA9H2GALTmfDwY1-o | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1763111544 | ||||||
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=1785429002 | ||||||
Subdomains
smtp.npinc.jp |
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NS01.dnsv.jp2026-04-08 → 2026-07-30 · 3 obs
● 2026-04-08 14:59:06
● 2026-07-30 17:33:48
●NS02.dnsv.jp2026-04-08 → 2026-07-30 · 3 obs
● 2026-04-08 14:59:06
● 2026-07-30 17:33:48
●NS03.dnsv.jp2026-04-08 → 2026-07-30 · 3 obs
● 2026-04-08 14:59:06
● 2026-07-30 17:33:48
●NS04.dnsv.jp2026-04-08 → 2026-07-30 · 3 obs
● 2026-04-08 14:59:06
● 2026-07-30 17:33:48
○NSdns0.heteml.jp2015-06-05 → 2017-08-07 · 4 obs
● 2017-08-07 10:35:36
○ 2026-04-08 14:59:06
○ 2026-07-30 17:33:48
○NSdns1.heteml.jp2015-06-05 → 2017-08-07 · 4 obs
● 2017-08-07 10:35:36
○ 2026-04-08 14:59:06
○ 2026-07-30 17:33:48
○A157.7.188.2392015-10-20 → 2017-08-07 · 5 obs
● 2015-10-20 01:30:12
● 2017-08-07 10:35:36
○ 2026-04-08 14:59:06
○ 2026-07-30 17:33:48
●A157.7.44.1772026-04-08 → 2026-07-30 · 3 obs
● 2026-04-08 14:59:06
● 2026-07-30 17:33:48
○A210.188.195.392015-06-05 → 2015-06-05 · 3 obs
○ 2015-10-20 01:30:12
○ 2026-07-30 17:33:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | h.dns.jp, c.dns.jp, d.dns.jp, e.dns.jp... | - |
| npinc.jp | 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp, 01.dnsv.jp | 7 records |
✅ Authoritative Response
Server:157.7.32.53
NS records: 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp, 01.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for npinc.jp (unsigned zone)
⏱️ Timing
Total: 715ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.7.44.177 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | mail26.heteml.jp (pri: 10) |
| TXT | 1 | google-site-verification=cxVru82VU1svcJc |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
📌 Glue Records Collected
Total: 7
Out-of-bailiwick: 7 (04.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp...)
Analysis
Hierarchy
The domain smtp.npinc.jp falls under the parent npinc.jp.
IP Addresses
npinc.jp has exactly one IP address — 157.7.44.177.
mail.crane-nasu.jp, kurashi-core.com, fuji-koatsu.com plus two other host names have IP numbers in common with npinc.jp.
Name Servers
Four name servers handle the delegation for npinc.jp: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
At least some of npinc.jp's name servers are shared with other domains, for example pitat-house.info, brush-stock.com, homes-hoya.com and two more.
Host names pointing to two IP addresses:
01.dnsv.jp points to 157.7.32.53 and 2400:8500:3300::53.
03.dnsv.jp points to 157.7.34.53 and 2400:8500:3000::53.
04.dnsv.jp points to 157.7.35.53 and 2400:8500:3fff::53.
Host names resolving to a single IP address:
02.dnsv.jp points to 157.7.33.53.
Mail Servers
npinc.jp uses one mail server — mail26.heteml.jp.
The mail server setup of npinc.jp matches that of other domains such as npo-m.org, karinto-guitarduo.com, shiorijp.net and two others.
npinc.jp shares mail servers with at least some other domains, such as morisita.or.jp, kajitaku.jp and kajitaku.com.
These mail servers are often deployed together with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and 5 other mail servers.
mail26.heteml.jp resolves to a single IP number: 157.7.189.15.