kouran.co - robtex.com
kouran.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.7.189.70🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | users261.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@kouran.co serial=1783932498 | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759704429 | ||||||
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
○MXmail42.heteml.jp2015-07-18 → 2018-09-14 · 4 obs
● 2018-09-14 20:11:10
○ 2026-06-14 15:39:48
○ 2026-07-13 08:57:36
●MXmx-proxy501.heteml.jp2026-06-14 → 2026-07-13 · 3 obs
● 2026-06-14 15:39:48
● 2026-07-13 08:57:36
●MXmx-proxy502.heteml.jp2026-06-14 → 2026-07-13 · 3 obs
● 2026-06-14 15:39:48
● 2026-07-13 08:57:36
○A157.7.188.2112015-11-19 → 2018-09-14 · 5 obs
● 2015-11-19 08:36:00
● 2018-09-14 20:11:10
○ 2026-06-14 15:39:48
○ 2026-07-13 08:57:36
●A157.7.189.702026-06-14 → 2026-07-13 · 3 obs
● 2026-06-14 15:39:48
● 2026-07-13 08:57:36
○A210.188.195.352015-07-18 → 2015-07-18 · 3 obs
○ 2015-11-19 08:36:00
○ 2026-07-13 08:57:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | c.registrydns.co, b.registrydns.co, d.registrydns.co, a.registrydns.co | - |
| kouran.co | 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 kouran.co (unsigned zone)
⏱️ Timing
Total: 1004ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.7.189.70 |
| NS | 2 | dns0.heteml.jp, dns1.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.kouran.co |
Analysis
IP Addresses
kouran.co has exactly one IP address — 157.7.189.70.
le-in.net, figure-no-oni.com, banikudo.com plus two other host names have IP numbers in common with kouran.co.
Name Servers
Two name servers handle the delegation for kouran.co: dns0.heteml.jp and dns1.heteml.jp.
The name server configuration of kouran.co is shared with other domains, for instance acek.jp, bootdnaworks.com, aus-ryugaku.net and two others.
dns0.heteml.jp resolves to 157.7.44.53. dns1.heteml.jp resolves to 157.7.188.149. Both host names point to a single IP number.
Mail Servers
kouran.co uses two mail servers, mx-proxy501.heteml.jp and mx-proxy502.heteml.jp.
The mail server setup of kouran.co matches that of other domains such as total-f.co.jp, mo-hit.net, trace.jp and two others.
At least a portion of kouran.co's mail servers are also used by other domains, for example gincli.jp.
mx-proxy501.heteml.jp resolves to 157.7.189.17. mx-proxy502.heteml.jp resolves to 157.7.189.18. Both host names point to a single IP number.