y-con.jp - robtex.com
y-con.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.94.163.188🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1548.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 | y-con.jp ⭐ | ||||||
| A | 219.94.163.188🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1548.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www1548.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2022-11-18 #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=1778670902 | ||||||
MX for
y-con.jp |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXy-con.jp2015-07-18 → 2026-05-13 · 2 obs
● 2026-05-13 11:36:48
●A219.94.163.1882015-07-18 → 2026-05-13 · 2 obs
● 2026-05-13 11:36:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| y-con.jp | ns2.dns.ne.jp, ns1.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns2.dns.ne.jp, ns1.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for y-con.jp (unsigned zone)
⏱️ Timing
Total: 2375ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.163.188 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | y-con.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www1548.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
y-con.jp serves as the mail server for y-con.jp.
IP Addresses
y-con.jp points to a single IP number: 219.94.163.188.
Other host names, for instance sunrhodes.sakura.ne.jp, yoshiula.net, mail.kisoen.com, fsight-s.sakura.ne.jp and usapo.sakura.ne.jp share IP numbers with y-con.jp.
Name Servers
The domain y-con.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
y-con.jp shares name servers with other domains at least partially, for instance narju.com, naniwa-ecostyle.net, samuraistudio.jp, pyg-chibacom.sakura.ne.jp and kknoah4.sakura.ne.jp.
these name servers are often used together with the name servers dns.sakura.ad.jp.
Host names with a single IP number:
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 y-con.jp and y-con.jp.
Host name y-con.jp resolves to IP 219.94.163.188.