thinktown.co.jp - robtex.com
thinktown.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.242.249.72🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www4162.sakura.ne.jp | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| A | 210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | master.dns.ne.jp | ||||||
| NS | ns1.dns.ne.jp | ||||||
| A | 61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| A | 133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | ns2.dns.ne.jp | ||||||
| MX | thinktown.co.jp ⭐ | ||||||
| A | 133.242.249.72🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www4162.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www4162.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2023-09-22 #1 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
MX for
thinktown.co.jp |
Same first word
thinktown.com |
thinktown.de |
thinktown.co.jp |
DNS History
15 records (5 active, 10 former)
●NSmaster.dns.ne.jp2026-02-18 → 2026-04-13 · 3 obs
● 2026-02-18 22:41:18
● 2026-04-13 00:47:26
○NSns-207.dns.jp-e1.cloudn-service.com2015-12-25 → 2018-06-09 · 5 obs
● 2015-12-25 13:36:40
● 2018-06-09 17:23:32
○ 2026-02-18 22:41:18
○ 2026-04-13 00:47:26
○NSns-208.dns.jp-w1.cloudn-service.com2015-12-25 → 2018-06-09 · 5 obs
● 2015-12-25 13:36:40
● 2018-06-09 17:23:32
○ 2026-02-18 22:41:18
○ 2026-04-13 00:47:26
○NSns-209.dns.us-e1.cloudn-service.com2015-12-25 → 2018-06-09 · 5 obs
● 2015-12-25 13:36:40
● 2018-06-09 17:23:32
○ 2026-02-18 22:41:18
○ 2026-04-13 00:47:26
●NSns1.dns.ne.jp2026-02-18 → 2026-04-13 · 3 obs
● 2026-02-18 22:41:18
● 2026-04-13 00:47:26
○NSns1.secure.net2015-05-28 → 2015-10-20 · 4 obs
● 2015-10-20 19:00:04
○ 2015-12-25 13:36:40
○ 2026-04-13 00:47:26
●NSns2.dns.ne.jp2026-02-18 → 2026-04-13 · 3 obs
● 2026-02-18 22:41:18
● 2026-04-13 00:47:26
○NSns2.secure.net2015-05-28 → 2015-10-20 · 4 obs
● 2015-10-20 19:00:04
○ 2015-12-25 13:36:40
○ 2026-04-13 00:47:26
○MXin.sjc.mx.trendmicro.com2015-05-28 → 2015-05-28 · 3 obs
○ 2015-10-20 19:00:04
○ 2026-04-13 00:47:26
○MXmwbgw1.ocn.ad.jp2015-10-20 → 2018-06-09 · 5 obs
● 2015-10-20 19:00:04
● 2018-06-09 17:23:32
○ 2026-02-18 22:41:18
○ 2026-04-13 00:47:26
○MXmwbgw2.ocn.ad.jp2015-10-20 → 2018-06-09 · 5 obs
● 2015-10-20 19:00:04
● 2018-06-09 17:23:32
○ 2026-02-18 22:41:18
○ 2026-04-13 00:47:26
●MXthinktown.co.jp2026-02-18 → 2026-04-13 · 3 obs
● 2026-02-18 22:41:18
● 2026-04-13 00:47:26
○A101.110.236.2032015-05-28 → 2015-05-28 · 3 obs
○ 2015-10-20 19:00:04
○ 2026-04-13 00:47:26
●A133.242.249.722026-02-18 → 2026-04-13 · 3 obs
● 2026-02-18 22:41:18
● 2026-04-13 00:47:26
○A61.112.0.1222015-10-20 → 2018-06-09 · 5 obs
● 2015-10-20 19:00:04
● 2018-06-09 17:23:32
○ 2026-02-18 22:41:18
○ 2026-04-13 00:47:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, f.dns.jp, a.dns.jp, h.dns.jp... | - |
| thinktown.co.jp | ns1.dns.ne.jp, ns2.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for thinktown.co.jp (unsigned zone)
⏱️ Timing
Total: 803ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.242.249.72 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | thinktown.co.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www4162.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)
Analysis
Mail Server Role
thinktown.co.jp serves as the mail server for thinktown.co.jp.
IP Addresses
thinktown.co.jp resolves to a single IP address: 133.242.249.72.
Other host names including www4162.sakura.ne.jp, paaaak.sakura.ne.jp, tsukumori.com, aonama.com and paaaak.com share IP numbers with thinktown.co.jp.
Name Servers
thinktown.co.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
thinktown.co.jp at least partially shares name servers with other domains, including tsukasa-kogyo.jp, dobochan.com, huse.co.jp, mka.co.jp and ekakiyahonpo.com.
These name servers are often used together with dns.sakura.ad.jp.
Hostnames with a single IP:
master.dns.ne.jp points to: 210.224.172.18.
ns1.dns.ne.jp points to: 61.211.236.1.
ns2.dns.ne.jp points to: 133.167.21.1.
Mail Servers
A single mail server handles thinktown.co.jp.
thinktown.co.jp points to a single IP: 133.242.249.72.