kosotsu.com - robtex.com
kosotsu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.7.44.238🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | users201.vip.heteml.jp | ||||||
| NS | dns0.heteml.jp ⭐ | ||||||
| A | 157.7.44.53🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | dns510.heteml.jp | ||||||
| NS | dns1.heteml.jp | ||||||
| A | 157.7.188.149🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | dns711.phy.heteml.jp | ||||||
| MX | mx-proxy501.heteml.jp ⭐ | ||||||
| A | 157.7.189.17🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| MX | mx-proxy502.heteml.jp(20) | ||||||
| A | 157.7.189.18🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| TXT | v=spf1 include:_spf.heteml.jp ~all | ||||||
| SOA | dns0.heteml.jphostmaster@kosotsu.com serial=1774589058 | ||||||
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=1774589672 | ||||||
Same first word
kosotsu.com |
Similar names
DNS History
8 records (5 active, 3 former)
○MXmail8.heteml.jp2015-08-17 → 2020-01-07 · 4 obs
● 2020-01-07 14:23:52
○ 2026-02-27 04:11:56
○ 2026-03-27 05:41:52
●MXmx-proxy501.heteml.jp2026-02-27 → 2026-03-27 · 3 obs
● 2026-02-27 04:11:56
● 2026-03-27 05:41:52
●MXmx-proxy502.heteml.jp2026-02-27 → 2026-03-27 · 3 obs
● 2026-02-27 04:11:56
● 2026-03-27 05:41:52
○A157.7.188.2262015-12-23 → 2020-01-07 · 5 obs
● 2015-12-23 03:09:44
● 2020-01-07 14:23:52
○ 2026-02-27 04:11:56
○ 2026-03-27 05:41:52
●A157.7.44.2382026-02-27 → 2026-03-27 · 3 obs
● 2026-02-27 04:11:56
● 2026-03-27 05:41:52
○A210.188.199.2292015-08-17 → 2015-08-17 · 3 obs
○ 2015-12-23 03:09:44
○ 2026-03-27 05:41:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| kosotsu.com | dns0.heteml.jp, dns1.heteml.jp | - |
✅ Authoritative Response
Server:157.7.44.53
NS records: dns0.heteml.jp, dns1.heteml.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kosotsu.com (unsigned zone)
⏱️ Timing
Total: 1145ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.7.44.238 |
| NS | 2 | dns1.heteml.jp, dns0.heteml.jp |
| MX | 2 | mx-proxy502.heteml.jp (pri: 20), mx-proxy501.heteml.jp (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.heteml.jp ~all |
| SOA | 1 | dns0.heteml.jp hostmaster.kosotsu.com |
Analysis
IP Addresses
kosotsu.com maps to IP address 157.7.44.238.
Other host names, for instance interarrows.com, mail.allotsu.com, santeclinic.com, monotype.co.jp and www.gallery-kaikaikiki.com share IP numbers with kosotsu.com.
Name Servers
Two name servers dns0.heteml.jp and dns1.heteml.jp are delegated to kosotsu.com.
kosotsu.com uses the same name server configuration as other domains, such as otomaripon.com, k-nichiwa.com, recolte-jp.com, shinbashi-js.com and mgkensou.com.
Host names with a single IP address:
dns0.heteml.jp points to 157.7.44.53
dns1.heteml.jp points to 157.7.188.149
Mail Servers
Two mail servers handle kosotsu.com: mx-proxy501.heteml.jp and mx-proxy502.heteml.jp.
kosotsu.com shares the same mail server setup as other domains, including bodwell.biz, love-bears.com, pams-professional.com, kokubunji-mitakai.net and f3w.jp.
kosotsu.com shares some mail servers with other domains, for instance konishiki.net and tokyotakamatsuya.co.jp.
Host names with a single IP address:
mx-proxy501.heteml.jp points to 157.7.189.17
mx-proxy502.heteml.jp points to 157.7.189.18