jslug.jp - robtex.com
jslug.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 192.30.252.153🇺🇸 GITHUB192.30.252.0/24 GitHub Build software better, together. https://github.com || https://github.com/about | ||||||
| PTR | lb-192-30-252-153-iad.github.com | ||||||
| A | 192.30.252.154🇺🇸 GITHUB192.30.252.0/24 GitHub Build software better, together. https://github.com || https://github.com/about | ||||||
| NS | ns1.jslug.jp ⭐ | ||||||
| A | 153.121.40.37🇯🇵 SAKURA-B153.121.32.0/19 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | sakura1.pocketstudio.net | ||||||
| NS | sakura1.pocketstudio.net | ||||||
| A | 153.121.40.37🇯🇵 SAKURA-B153.121.32.0/19 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | sakura1.pocketstudio.net | ||||||
| NS | sakura3.pocketstudio.net | ||||||
| A | 153.121.46.159🇯🇵 SAKURA-B153.121.32.0/19 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | sakura3.pocketstudio.net | ||||||
| MX | mail.jslug.jp ⭐ | ||||||
| A | 192.155.212.226 | ||||||
| PTR | e2.d4.9bc0.ip4.static.sl-reverse.com | ||||||
| SOA | ns1.jslug.jppostmaster@jslug.jp 2017-02-05 #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=1777008603 | ||||||
Subdomains
Same first word
jslug.jp |
Similar names
DNS History
8 records (6 active, 2 former)
●NSns1.jslug.jp2015-07-13 → 2026-04-24 · 2 obs
● 2026-04-24 05:51:50
●NSsakura1.pocketstudio.net2015-07-13 → 2026-04-24 · 2 obs
● 2026-04-24 05:51:50
●NSsakura3.pocketstudio.net2015-07-13 → 2026-04-24 · 2 obs
● 2026-04-24 05:51:50
●MXmail.jslug.jp2015-07-13 → 2026-04-24 · 2 obs
● 2026-04-24 05:51:50
○A161.202.82.1052016-02-11 → 2017-02-01 · 5 obs
● 2016-02-11 00:08:26
● 2017-02-01 21:23:22
○ 2018-10-17 23:28:26
○ 2026-04-24 05:51:50
○A184.172.102.1102015-07-13 → 2015-11-13 · 4 obs
● 2015-11-13 14:26:34
○ 2016-02-11 00:08:26
○ 2026-04-24 05:51:50
●A192.30.252.1532018-10-17 → 2026-04-24 · 3 obs
● 2018-10-17 23:28:26
● 2026-04-24 05:51:50
●A192.30.252.1542018-10-17 → 2026-04-24 · 3 obs
● 2018-10-17 23:28:26
● 2026-04-24 05:51:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | b.dns.jp, f.dns.jp, d.dns.jp, a.dns.jp... | - |
| jslug.jp | sakura3.pocketstudio.net, sakura1.pocketstudio.net | - |
✅ Authoritative Response
Server:153.121.40.37
NS records: sakura3.pocketstudio.net, sakura1.pocketstudio.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jslug.jp (unsigned zone)
⏱️ Timing
Total: 1273ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 192.30.252.154, 192.30.252.153 |
| NS | 2 | sakura1.pocketstudio.net, sakura3.pocketstudio.net |
| MX | 1 | mail.jslug.jp (pri: 10) |
| SOA | 1 | ns1.jslug.jp postmaster.jslug.jp |
Analysis
Hierarchy
jslug.jp is the parent of ns1.jslug.jp and mail.jslug.jp.
IP Addresses
Two IP numbers are pointed to by jslug.jp: 192.30.252.153 and 192.30.252.154.
other host names include host.laufwerkc.de, claireosburn.com, 130easton.com, www.moonmoon.org and lipscomb.ca; they share IP numbers with jslug.jp.
Name Servers
jslug.jp is delegated to three name servers ns1.jslug.jp, sakura1.pocketstudio.net and sakura3.pocketstudio.net.
jslug.jp at least partially shares name servers with other domains, for instance x29.jp, dkbk.jp, spten.jp, cloudstack.jp and docker.jp.
These name servers are commonly used with ns.x29.jp, ns.dkbk.jp, ns.spten.jp, ns.cloudstack.jp, ns.docker.jp and ns.cloudcomputing.jp.
Host names with a single IP:
ns1.jslug.jp points to: 153.121.40.37
sakura1.pocketstudio.net points to: 153.121.40.37
sakura3.pocketstudio.net points to: 153.121.46.159
Names pointing to 153.121.40.37: ns1.jslug.jp, sakura1.pocketstudio.net
Mail Servers
jslug.jp is handled by a single mail server, mail.jslug.jp.
The host name mail.jslug.jp points to IP 192.155.212.226.