s-comtec.co.jp - robtex.com
s-comtec.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.242.204.61🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | host001.ttmsv.jp | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| A | 210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | master.dns.ne.jp | ||||||
| NS | ns1.dns.ne.jp | ||||||
| A | 61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| A | 133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | ns2.dns.ne.jp | ||||||
| MX | mail.s-comtec.co.jp ⭐ | ||||||
| A | 133.242.204.61🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | host001.ttmsv.jp | ||||||
| TXT | v=spf1 +ip4:164.70.13.137 +ip4:133.242.204.61 +ip4:133.130.73.117 +ip4:119.27... | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-01-31 #1 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Subdomains
mail.s-comtec.co.jp |
Same first word
s-comtec.co.jp |
Similar names
DNS History
6 records (5 active, 1 former)
●MXmail.s-comtec.co.jp2015-05-30 → 2026-04-14 · 2 obs
● 2026-04-14 14:49:54
○A133.130.73.1172015-12-14 → 2017-04-02 · 5 obs
● 2015-12-14 22:18:26
● 2017-04-02 15:28:02
○ 2026-04-09 13:23:48
○ 2026-04-14 14:49:54
●A133.242.204.612015-05-30 → 2026-04-14 · 6 obs
● 2015-10-24 03:45:46
○ 2015-12-14 22:18:26
○ 2017-04-02 15:28:02
● 2026-04-09 13:23:48
● 2026-04-14 14:49:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, g.dns.jp, e.dns.jp, d.dns.jp... | - |
| s-comtec.co.jp | ns2.dns.ne.jp, ns1.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns2.dns.ne.jp, ns1.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for s-comtec.co.jp (unsigned zone)
⏱️ Timing
Total: 724ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.242.204.61 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | mail.s-comtec.co.jp (pri: 10) |
| TXT | 1 | v=spf1 +ip4:164.70.13.137 +ip4:133.242.2 |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)
Analysis
Hierarchy
s-comtec.co.jp is the parent of mail.s-comtec.co.jp.
IP Addresses
s-comtec.co.jp resolves to one IP number: 133.242.204.61.
other host names including mail.ttmsv.jp, issei-suzuki.com, host001.ttmsv.jp, mail.liveit-school.net and liveit-school.net share IP numbers with s-comtec.co.jp.
Name Servers
s-comtec.co.jp is delegated to three name servers master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
s-comtec.co.jp at least partially shares name servers with other domains, for instance 1.city.kasai.hyogo.jp, rising-sun-hotel.com, kkup.sakura.ne.jp, naeba-tiens.com and guide.pmet.jp.
these name servers are commonly used alongside dns.sakura.ad.jp.
Host names with one IP number: master.dns.ne.jp points to 210.224.172.18; ns1.dns.ne.jp points to 61.211.236.1; ns2.dns.ne.jp points to 133.167.21.1.
Mail Servers
s-comtec.co.jp is handled by a single mail server, mail.s-comtec.co.jp.
mail.s-comtec.co.jp resolves to IP 133.242.204.61.