j-network.net - robtex.com
j-network.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.235.236🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3496.sakura.ne.jp | ||||||
| NS | gdns1.interlink.or.jp ⭐ | ||||||
| A | 203.141.128.80🇯🇵 InfoSphere203.141.128.0/19 INTERLINK | ||||||
| PTR | gdns1.interlink.or.jp | ||||||
| NS | gdns2.interlink.or.jp | ||||||
| A | 163.43.158.165🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| MX | mail.j-network.net ⭐ | ||||||
| A | 49.212.235.236🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3496.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www3496.sakura.ne.jp mx ~all | ||||||
| SOA | gdns1.interlink.or.jproot@gdns1.interlink.or.jp 2021-01-15 #45 | ||||||
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=1776105142 | ||||||
Subdomains
mail.j-network.net |
Same first word
j-network.biz |
j-network.net |
DNS History
7 records (4 active, 3 former)
○NSa.ns.j-network.net2015-07-10 → 2020-02-22 · 4 obs
● 2020-02-22 12:31:10
○ 2026-03-17 11:23:44
○ 2026-04-13 18:38:24
○NSb.ns.j-network.net2015-11-18 → 2020-02-22 · 5 obs
● 2015-11-18 00:26:04
● 2020-02-22 12:31:10
○ 2026-03-17 11:23:44
○ 2026-04-13 18:38:24
●NSgdns1.interlink.or.jp2026-03-17 → 2026-04-13 · 3 obs
● 2026-03-17 11:23:44
● 2026-04-13 18:38:24
●NSgdns2.interlink.or.jp2026-03-17 → 2026-04-13 · 3 obs
● 2026-03-17 11:23:44
● 2026-04-13 18:38:24
○MXa.mx.j-network.net2015-07-10 → 2020-02-22 · 4 obs
● 2020-02-22 12:31:10
○ 2026-03-17 11:23:44
○ 2026-04-13 18:38:24
●MXmail.j-network.net2026-03-17 → 2026-04-13 · 3 obs
● 2026-03-17 11:23:44
● 2026-04-13 18:38:24
●A49.212.235.2362026-03-17 → 2026-04-13 · 2 obs
● 2026-04-13 18:38:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| j-network.net | gdns1.interlink.or.jp, gdns2.interlink.or.jp | - |
✅ Authoritative Response
Server:163.43.158.165
NS records: gdns1.interlink.or.jp, gdns2.interlink.or.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for j-network.net (unsigned zone)
⏱️ Timing
Total: 1081ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.235.236 |
| NS | 2 | gdns1.interlink.or.jp, gdns2.interlink.or.jp |
| MX | 1 | mail.j-network.net (pri: 10) |
| TXT | 1 | v=spf1 a:www3496.sakura.ne.jp mx ~all |
| SOA | 1 | gdns1.interlink.or.jp root.gdns1.interli |
Analysis
Hierarchy
j-network.net is the parent of mail.j-network.net.
IP Addresses
j-network.net resolves to one IP number: 49.212.235.236.
other host names including ancels-colorbutter.com, zenshakyo.org, www3496.sakura.ne.jp, mail.j-network.net and sankyo-goto.co.jp share IP numbers with j-network.net.
Name Servers
j-network.net is delegated to two name servers gdns1.interlink.or.jp and gdns2.interlink.or.jp.
j-network.net shares the same name server setup as other domains, for instance itoen.com.cn, ginganet.gr.jp, kabata.net, howakor.com and shinko.cc.
j-network.net at least partially shares name servers with other domains, for instance geomedi.com.tw, hauer.co.jp, maebasi.com, ujp.jp and mahal.jp.
These name servers are commonly used alongside vdns1.interlink.or.jp and vdns2.interlink.or.jp.
Host names with one IP number:
gdns1.interlink.or.jp points to 203.141.128.80
gdns2.interlink.or.jp points to 163.43.158.165
Mail Servers
j-network.net is handled by a single mail server, mail.j-network.net.
mail.j-network.net resolves to IP 49.212.235.236.