l-study.net - robtex.com
l-study.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.7.44.237🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | users271.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.hetemail.jp ⭐ | ||||||
| A | 157.7.189.1🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | mx.heteml.jp | ||||||
| TXT | v=spf1 include:_spf.heteml.jp ~all | ||||||
| SOA | dns0.heteml.jphostmaster@l-study.net serial=1774498097 | ||||||
net
| 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=1774499107 | ||||||
Same first word
l-study.net |
DNS History
4 records (4 active, 0 former)
●MXmx.hetemail.jp2026-03-12 → 2026-03-26 · 2 obs
● 2026-03-26 04:42:22
●A157.7.44.2372026-03-12 → 2026-03-26 · 2 obs
● 2026-03-26 04:42:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | i.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net... | - |
| l-study.net | dns0.heteml.jp, dns1.heteml.jp | - |
✅ Authoritative Response
Server:157.7.188.149
NS records: dns0.heteml.jp, dns1.heteml.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for l-study.net (unsigned zone)
⏱️ Timing
Total: 1025ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.7.44.237 |
| NS | 2 | dns0.heteml.jp, dns1.heteml.jp |
| MX | 1 | mx.hetemail.jp (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.heteml.jp ~all |
| SOA | 1 | dns0.heteml.jp hostmaster.l-study.net |
Analysis
IP Addresses
l-study.net points to a single IP: 157.7.44.237.
Other host names, for instance www.ager.jp, sasakidenki.com, mail.cataract.co.jp, www.parksider.com and ts-power.net share IP numbers with l-study.net.
Name Servers
Two name servers dns0.heteml.jp and dns1.heteml.jp handle delegation for l-study.net.
l-study.net uses the same name server setup as other domains, for example b2bsaas.net, orztest.com, nihei-densetsu.co.jp, qooop.info and ishigami-const.co.jp.
Host names with one IP number: The host name dns0.heteml.jp points to 157.7.44.53 and the host name dns1.heteml.jp points to 157.7.188.149.
Mail Servers
l-study.net is handled by a single mail server, mx.hetemail.jp.
l-study.net has the same mail server setup as other domains, including wayfinders.ltd, kkenko.com, koga-akayama.com, ei-shin.co.jp and fundaciondosdemayo.com.
Some mail servers are shared between l-study.net and other domains, for example yotsuyalotus.com.
mx.hetemail.jp points to a single IP: 157.7.189.1.