yynet.jp - robtex.com
yynet.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.207.226🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3186.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 | yynet.jp ⭐ | ||||||
| A | 49.212.207.226🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3186.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www3186.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2022-08-20 #0 | ||||||
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=1777271403 | ||||||
MX for
yynet.jp |
Subdomains
www.yynet.jp |
Same first word
yynet.com |
yynet.biz |
yynet.gen.tr |
yynet.jp |
yynet.tama.tokyo.jp |
yynet.ne.jp |
yynet.cn |
yynet.de |
yynet.eu |
yynet.fi |
Similar names
DNS History
8 records (5 active, 3 former)
●NSmaster.dns.ne.jp2026-03-27 → 2026-04-27 · 3 obs
● 2026-03-27 03:57:08
● 2026-04-27 07:15:32
○NSns.yynet.jp2015-07-16 → 2016-09-24 · 4 obs
● 2016-09-24 08:35:44
○ 2026-03-27 03:57:08
○ 2026-04-27 07:15:32
○NSns.yynet.org2015-07-16 → 2016-09-24 · 4 obs
● 2016-09-24 08:35:44
○ 2026-03-27 03:57:08
○ 2026-04-27 07:15:32
●NSns1.dns.ne.jp2026-03-27 → 2026-04-27 · 3 obs
● 2026-03-27 03:57:08
● 2026-04-27 07:15:32
●NSns2.dns.ne.jp2026-03-27 → 2026-04-27 · 3 obs
● 2026-03-27 03:57:08
● 2026-04-27 07:15:32
○MXmail.yynet.jp2015-07-16 → 2016-09-24 · 4 obs
● 2016-09-24 08:35:44
○ 2026-03-27 03:57:08
○ 2026-04-27 07:15:32
●MXyynet.jp2026-03-27 → 2026-04-27 · 3 obs
● 2026-03-27 03:57:08
● 2026-04-27 07:15:32
●A49.212.207.2262026-03-27 → 2026-04-27 · 2 obs
● 2026-04-27 07:15:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | h.dns.jp, b.dns.jp, a.dns.jp, c.dns.jp... | - |
| yynet.jp | ns1.dns.ne.jp, ns2.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:61.211.236.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for yynet.jp (unsigned zone)
⏱️ Timing
Total: 663ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.207.226 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | yynet.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www3186.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
Hierarchy
yynet.jp is the parent of www.yynet.jp.
Mail Server Role
yynet.jp serves as the mail server for yynet.jp.
IP Addresses
yynet.jp points to IP number 49.212.207.226.
For instance, other host names yynet.tama.tokyo.jp, teki.jp, japan-tokusyu.sakura.ne.jp, daisetsu-s.sakura.ne.jp and mx.kinosaki-spa.gr.jp share IP numbers with yynet.jp.
Name Servers
The delegation for yynet.jp is handled by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
yynet.jp shares name servers with other domains at least partially, for example yuki-bkk.com, sysportcore.com, tkande.net, hoshiyamashoten.co.jp and air-int.kokuden.com.
These name servers are commonly used with dns.sakura.ad.jp.
Host names with a single IP address: 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
yynet.jp is handled by a single mail server, yynet.jp.
yynet.jp points to a single IP: 49.212.207.226.