thinknet-lab.jp - robtex.com
thinknet-lab.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.140.64.217🇯🇵 IDC210.140.64.0/19 Frontier Inc. | ||||||
| PTR | 01.thinknet-lab.jp | ||||||
| NS | dns1.thinknet-lab.jp ⭐ | ||||||
| A | 210.140.64.217🇯🇵 IDC210.140.64.0/19 Frontier Inc. | ||||||
| PTR | 01.thinknet-lab.jp | ||||||
| NS | 2nd.dnsv.jp | ||||||
| A | 2400:8500:1301:2611:1001::142🇯🇵 GMO-INTERNET2400:8500:1000::/36 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | 2nd.dnsv.jp | ||||||
| A | 163.44.76.142🇯🇵 GMO-INTERNET163.44.64.0/19 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | 2nd.dnsv.jp | ||||||
| MX | mx.thinknet-lab.jp ⭐ | ||||||
| A | 210.140.71.249🇯🇵 IDC210.140.64.0/19 Frontier Inc. | ||||||
| PTR | 210-140-71-249.henry.jp-east.compute.idcfcloud.net | ||||||
| TXT | google-site-verification=iurfQKXBud93gFZ78PpfdJBXiPv7DE4h_juXmBm_huA | ||||||
| TXT | v=spf1 ip4:210.140.64.217/32 ip4:210.140.71.249/32 ~all | ||||||
| SOA | dns1.thinknet-lab.jproot@thinknet-lab.jp 2025-12-17 #1 | ||||||
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=1774374302 | ||||||
Subdomains
Same first word
thinknet-lab.jp |
DNS History
6 records (4 active, 2 former)
●NSdns1.thinknet-lab.jp2020-03-17 → 2026-03-24 · 2 obs
● 2026-03-24 18:52:52
○NSdns1.thinknetworks.jp2020-03-17 → 2020-03-17 · 3 obs
○ 2026-02-17 01:56:36
○ 2026-03-24 18:52:52
○MXmail.thinknet-lab.jp2020-03-17 → 2020-03-17 · 3 obs
○ 2026-02-17 01:56:36
○ 2026-03-24 18:52:52
●MXmx.thinknet-lab.jp2026-02-17 → 2026-03-24 · 3 obs
● 2026-02-17 01:56:36
● 2026-03-24 18:52:52
●A210.140.64.2172020-03-17 → 2026-03-24 · 2 obs
● 2026-03-24 18:52:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| thinknet-lab.jp | 2nd.dnsv.jp, dns1.thinknet-lab.jp | 1 record |
✅ Authoritative Response
Server:163.44.76.142
NS records: 2nd.dnsv.jp, dns1.thinknet-lab.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for thinknet-lab.jp (unsigned zone)
⏱️ Timing
Total: 1573ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.140.64.217 |
| NS | 2 | dns1.thinknet-lab.jp, 2nd.dnsv.jp |
| MX | 1 | mx.thinknet-lab.jp (pri: 10) |
| TXT | 2 | v=spf1 ip4:210.140.64.217/32 ip4:210.140, google-site-verification=iurfQKXBud93gFZ |
| SOA | 1 | dns1.thinknet-lab.jp root.thinknet-lab.j |
📌 Glue Records Collected
Total: 1
In-bailiwick: 1 (dns1.thinknet-lab.jp)
Analysis
Hierarchy
thinknet-lab.jp is parent of dns2.thinknet-lab.jp, mail.thinknet-lab.jp, dns1.thinknet-lab.jp, 01.thinknet-lab.jp and mx.thinknet-lab.jp.
IP Addresses
thinknet-lab.jp points to IP number: 210.140.64.217.
Other host names such as be-es.com, typer.jp, dns1.thinknetworks.jp, mail.mica-deal.com and mail.interior8.jp share IPs with thinknet-lab.jp.
Name Servers
thinknet-lab.jp is delegated to two name servers: 2nd.dnsv.jp and dns1.thinknet-lab.jp.
thinknet-lab.jp uses the same name server setup as other domains, including tokyokocherclub.com and mica-deal.com.
thinknet-lab.jp at least partially shares name servers with other domains, for instance sympa.community, f-dennou.jp, i-kahaku.jp, itf.bz and netwarehouse.jp.
these name servers are commonly used with sv.i-fan.jp, dns01.klink.co.jp, dns1.iyotetsu.co.jp, dns2.cosmosplus.co.jp, dns.cosmosplus.co.jp, inet6.tosis.co.jp and inet14.tosis.co.jp.
Host names with two IP numbers:
2nd.dnsv.jp points to 2400:8500:1301:2611:1001::142 and 163.44.76.142.
Host names with one IP number:
dns1.thinknet-lab.jp points to 210.140.64.217.
Mail Servers
thinknet-lab.jp is handled by a single mail server, mx.thinknet-lab.jp.
mx.thinknet-lab.jp points to a single IP: 210.140.71.249.