stmcu.jp - robtex.com
stmcu.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 27.133.156.132🇯🇵 SAKURA-B27.133.128.0/19 SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | stmcu.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 | mail.stmcu.jp ⭐ | ||||||
| A | 133.167.212.28🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | www5318.sakura.ne.jp | ||||||
| TXT | v=spf1 +ip4:27.133.156.132 +ip4:27.133.156.134 +a:www5318.sakura.ne.jp +mx ~all | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1660462890 | ||||||
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=1774377903 | ||||||
PTR for
Subdomains
mail.stmcu.jp |
Same first word
Similar names
DNS History
7 records (6 active, 1 former)
●MXmail.stmcu.jp2018-05-07 → 2026-03-24 · 2 obs
● 2026-03-24 19:54:36
○A150.60.175.352018-05-07 → 2018-05-07 · 3 obs
○ 2026-03-07 19:20:44
○ 2026-03-24 19:54:36
●A27.133.156.1322026-03-07 → 2026-03-24 · 3 obs
● 2026-03-07 19:20:44
● 2026-03-24 19:54:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| stmcu.jp | 02.dnsv.jp, 03.dnsv.jp, 01.dnsv.jp, 04.dnsv.jp | 7 records |
✅ Authoritative Response
Server:157.7.33.53
NS records: 02.dnsv.jp, 03.dnsv.jp, 01.dnsv.jp, 04.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stmcu.jp (unsigned zone)
⏱️ Timing
Total: 1663ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 27.133.156.132 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | mail.stmcu.jp (pri: 10) |
| TXT | 1 | v=spf1 +ip4:27.133.156.132 +ip4:27.133.1 |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
📌 Glue Records Collected
Total: 7
Out-of-bailiwick: 7 (01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp...)
Analysis
Hierarchy
The parent of mail.stmcu.jp is stmcu.jp.
IP Addresses
stmcu.jp points to an IP address: 27.133.156.132.
Name Servers
stmcu.jp delegates to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
stmcu.jp at least partially shares name servers with other domains, for instance higa.jp, j-sct.net, foyer.co.jp, acquamodels.com and minari.me.
Hosts with two IP numbers:
01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53.
03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53.
04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53.
Host with one IP number:
02.dnsv.jp points to 157.7.33.53.
Mail Servers
stmcu.jp is handled by a single mail server, mail.stmcu.jp.
The host name mail.stmcu.jp points to IP 133.167.212.28.