sa-mu.com - robtex.com
sa-mu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.7.44.240🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | users203.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 | mx.hetemail.jp ⭐ | ||||||
| A | 157.7.189.1🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | mx.heteml.jp | ||||||
| TXT | v=spf1 include:_spf.heteml.jp ~all | ||||||
| SOA | dns01.muumuu-domain.compostmaster@sa-mu.com serial=1782896629 | ||||||
com
| 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=1783661062 | ||||||
Same first word
sa-mu.com |
Similar names
DNS History
9 records (4 active, 5 former)
●NSdns01.muumuu-domain.com2026-07-03 → 2026-07-10 · 3 obs
● 2026-07-03 02:35:06
● 2026-07-10 05:51:14
●NSdns02.muumuu-domain.com2026-07-03 → 2026-07-10 · 3 obs
● 2026-07-03 02:35:06
● 2026-07-10 05:51:14
○NSdns27.servidoresdns.net2015-07-14 → 2017-04-30 · 4 obs
● 2017-04-30 07:45:40
○ 2026-03-26 18:50:30
○ 2026-07-10 05:51:14
○NSdns28.servidoresdns.net2015-07-14 → 2017-04-30 · 4 obs
● 2017-04-30 07:45:40
○ 2026-03-26 18:50:30
○ 2026-07-10 05:51:14
●MXmx.hetemail.jp2026-07-03 → 2026-07-10 · 3 obs
● 2026-07-03 02:35:06
● 2026-07-10 05:51:14
○MXsmtp-02.servidoresdns.net2015-07-14 → 2017-04-30 · 4 obs
● 2017-04-30 07:45:40
○ 2026-03-26 18:50:30
○ 2026-07-10 05:51:14
●A157.7.44.2402026-07-03 → 2026-07-10 · 3 obs
● 2026-07-03 02:35:06
● 2026-07-10 05:51:14
○A208.81.166.1552015-07-14 → 2015-07-14 · 3 obs
○ 2015-09-11 01:57:06
○ 2026-07-10 05:51:14
○A217.76.132.1832015-07-14 → 2017-04-30 · 4 obs
● 2017-04-30 07:45:40
○ 2026-03-26 18:50:30
○ 2026-07-10 05:51:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net... | - |
| sa-mu.com | dns01.muumuu-domain.com, dns02.muumuu-domain.com | 2 records |
✅ 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 sa-mu.com (unsigned zone)
⏱️ Timing
Total: 557ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.7.44.240 |
| NS | 2 | dns02.muumuu-domain.com, dns01.muumuu-domain.com |
| MX | 1 | mx.hetemail.jp (pri: 50) |
| TXT | 1 | v=spf1 include:_spf.heteml.jp ~all |
| SOA | 1 | dns01.muumuu-domain.com postmaster.sa-mu |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns01.muumuu-domain.com, dns02.muumuu-domain.com)
Analysis
IP Addresses
sa-mu.com has exactly one IP address — 157.7.44.240.
www.hao-net.com, da-soft.net, ato-works.com plus two other host names have IP numbers in common with sa-mu.com.
Name Servers
DNS delegation for sa-mu.com points to two name servers: dns01.muumuu-domain.com and dns02.muumuu-domain.com.
The name server configuration of sa-mu.com is shared with other domains, for instance pushe-niigata.com, acrycl.com, moc-bikes.com and two others.
There is at least partial name server overlap between sa-mu.com and other domains — ah0.org, zenlabo.com, initial-soft.com and two more among them.
dns01.muumuu-domain.com → 202.239.23.39 and dns02.muumuu-domain.com → 160.251.249.62: one IP number per host name.
Mail Servers
sa-mu.com uses one mail server — mx.hetemail.jp.
The mail server setup of sa-mu.com matches that of other domains such as hanbunco.com, icv-s.org, tms-jp.com and two others.
sa-mu.com and other domains — ba2ne.com for instance — share at least some mail servers.
mx.hetemail.jp has exactly one IP number: 157.7.189.1.