rtkk.jp - robtex.com
rtkk.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.7.189.156🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | users214.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@rtkk.jp serial=1774241297 | ||||||
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=1773558003 | ||||||
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
○MXmail48.heteml.jp2015-08-16 → 2020-03-29 · 4 obs
● 2020-03-29 21:27:02
○ 2026-02-18 08:24:58
○ 2026-03-23 04:50:24
●MXmx-proxy501.heteml.jp2026-02-18 → 2026-03-23 · 3 obs
● 2026-02-18 08:24:58
● 2026-03-23 04:50:24
●MXmx-proxy502.heteml.jp2026-02-18 → 2026-03-23 · 3 obs
● 2026-02-18 08:24:58
● 2026-03-23 04:50:24
○A112.78.219.1532015-08-16 → 2015-08-16 · 3 obs
○ 2015-10-11 14:46:10
○ 2026-03-23 04:50:24
○A157.7.188.2422015-10-11 → 2020-03-29 · 5 obs
● 2015-10-11 14:46:10
● 2020-03-29 21:27:02
○ 2026-02-18 08:24:58
○ 2026-03-23 04:50:24
●A157.7.189.1562026-02-18 → 2026-03-23 · 3 obs
● 2026-02-18 08:24:58
● 2026-03-23 04:50:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| rtkk.jp | dns1.heteml.jp, dns0.heteml.jp | 2 records |
✅ Authoritative Response
Server:157.7.44.53
NS records: dns1.heteml.jp, dns0.heteml.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtkk.jp (unsigned zone)
⏱️ Timing
Total: 748ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.7.189.156 |
| 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.rtkk.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns0.heteml.jp, dns1.heteml.jp)
Analysis
IP Addresses
rtkk.jp resolves to a single IP address: 157.7.189.156.
Other host names including jpdo.jp, kaiunji.com, spaceage.info, hostmaster.djyuya.com and fx-mt4.com share IP numbers with rtkk.jp.
Name Servers
rtkk.jp's delegation uses two name servers, dns0.heteml.jp and dns1.heteml.jp.
rtkk.jp shares the same name server setup as other domains, for example naritabisou.com, ecolife-recycle.jp, qol-kk.com, kofa.jp and retrogamenews.com.
Host names with a single IP:
dns0.heteml.jp points to 157.7.44.53.
dns1.heteml.jp points to 157.7.188.149.
Mail Servers
rtkk.jp is handled by two mail servers: mx-proxy501.heteml.jp and mx-proxy502.heteml.jp.
rtkk.jp shares its mail server setup with other domains, including pa-course.com, cycracy.com, dv4.jp, mojar.jp and takamitsu-camera.com.
rtkk.jp shares at least partially some mail servers with other domains, for instance quq.jp, cbctowel.com and xenorex.co.jp.
these mail servers are commonly used alongside the mail servers smtp.google.com.
Host names with a single IP:
mx-proxy501.heteml.jp points to 157.7.189.17.
mx-proxy502.heteml.jp points to 157.7.189.18.