nac-co.net - robtex.com
nac-co.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.7.44.226🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | users263.vip.heteml.jp | ||||||
| NS | nac-co.net ⭐ | ||||||
| A | 157.7.44.226🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | users263.vip.heteml.jp | ||||||
| NS | dns01.muumuu-domain.com | ||||||
| A | 202.239.23.39🇯🇵 IDC202.239.23.0/24 Frontier Inc. | ||||||
| NS | dns02.muumuu-domain.com | ||||||
| A | 160.251.249.62🇯🇵 GMOOSK-NET160.251.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| MX | mail15.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=yJhNMUCI9WGeYyD-_T5w_CeP4GGORrglTOuYyYR_nQY | ||||||
| TXT | v=spf1 include:_spf.heteml.jp ~all | ||||||
| SOA | nac-co.netpostmaster@nac-co.net serial=1738001742 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786650639 | ||||||
NS for
nac-co.net |
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
○NSdns0.heteml.jp2017-01-03 → 2017-01-03 · 3 obs
○ 2026-04-23 17:11:04
○ 2026-08-13 19:59:54
●NSdns01.muumuu-domain.com2026-04-23 → 2026-08-13 · 3 obs
● 2026-04-23 17:11:04
● 2026-08-13 19:59:54
●NSdns02.muumuu-domain.com2026-04-23 → 2026-08-13 · 3 obs
● 2026-04-23 17:11:04
● 2026-08-13 19:59:54
○NSdns1.heteml.jp2017-01-03 → 2017-01-03 · 3 obs
○ 2026-04-23 17:11:04
○ 2026-08-13 19:59:54
●NSnac-co.net2026-04-23 → 2026-08-13 · 3 obs
● 2026-04-23 17:11:04
● 2026-08-13 19:59:54
○A157.7.188.262017-01-03 → 2017-01-03 · 3 obs
○ 2026-04-23 17:11:04
○ 2026-08-13 19:59:54
●A157.7.44.2262026-04-23 → 2026-08-13 · 3 obs
● 2026-04-23 17:11:04
● 2026-08-13 19:59:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | j.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net... | - |
| nac-co.net | dns01.muumuu-domain.com, dns02.muumuu-domain.com | - |
✅ Authoritative Response
Server:202.239.23.39
NS records: dns01.muumuu-domain.com, dns02.muumuu-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nac-co.net (unsigned zone)
⏱️ Timing
Total: 800ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.7.44.226 |
| NS | 2 | dns01.muumuu-domain.com, dns02.muumuu-domain.com |
| MX | 1 | mail15.heteml.jp (pri: 50) |
| TXT | 2 | google-site-verification=yJhNMUCI9WGeYyD, v=spf1 include:_spf.heteml.jp ~all |
| SOA | 1 | nac-co.net postmaster.nac-co.net |
Analysis
Name Server Role
nac-co.net is listed as a name server for nac-co.net — it is in-bailiwick, authoritative for its own domain.
It is common to find dns01.muumuu-domain.com and dns02.muumuu-domain.com serving as name servers together with nac-co.net.
IP Addresses
nac-co.net has exactly one IP address — 157.7.44.226.
unixjapan.com, sub.kctjp.com, ciels.jp plus two other host names have IP numbers in common with nac-co.net.
Name Servers
nac-co.net delegates authority to three name servers — nac-co.net, dns01.muumuu-domain.com and dns02.muumuu-domain.com.
There is at least partial name server overlap between nac-co.net and other domains — nanjo-kouki.com, tokyopiano-market.com, kenichianime.com and two more among them.
Three hostnames, one IP address apiece: nac-co.net resolves to 157.7.44.226, dns01.muumuu-domain.com resolves to 202.239.23.39 and dns02.muumuu-domain.com resolves to 160.251.249.62.
Mail Servers
nac-co.net uses one mail server — mail15.heteml.jp.
The mail server setup of nac-co.net matches that of other domains such as to-ne.co.jp, sophielagirafe.jp, unosawa.com and two others.
nac-co.net and other domains — wareportal.jp for instance — share at least some mail servers.
There is one IP number for mail15.heteml.jp: 157.7.189.15.