yssf.jp - robtex.com
yssf.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.235.97🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3387.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 | yssf.jp ⭐ | ||||||
| A | 49.212.235.97🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3387.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www3387.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2026-02-12 #22 | ||||||
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=1774529102 | ||||||
MX for
yssf.jp |
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●MXyssf.jp2015-06-08 → 2026-03-26 · 2 obs
● 2026-03-26 13:17:54
○A49.212.198.732015-06-08 → 2020-02-19 · 4 obs
● 2020-02-19 12:51:02
○ 2026-03-26 05:37:52
○ 2026-03-26 13:17:54
●A49.212.235.972026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 05:37:52
● 2026-03-26 13:17:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| yssf.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 yssf.jp (unsigned zone)
⏱️ Timing
Total: 886ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.235.97 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | yssf.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www3387.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)
Analysis
Mail Server Role
yssf.jp serves as a mail server for yssf.jp.
IP Addresses
yssf.jp points to a single IP: 49.212.235.97.
Other host names, for instance p-yoshida.com, msv-ehc00197.sakura.ne.jp, msv-im06245.sakura.ne.jp, msv-ehc00189.sakura.ne.jp and msv-ehc00158.sakura.ne.jp share IP numbers with yssf.jp.
Name Servers
yssf.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
yssf.jp partially shares name servers with other domains; examples include groovenutrecords.net, taketo.biz, cathy.co.jp, makotokato.com and gyouseishoshi.tank.jp.
Host names with one IP number:
Host master.dns.ne.jp points to 210.224.172.18.
Host ns1.dns.ne.jp points to 61.211.236.1.
Host ns2.dns.ne.jp points to 133.167.21.1.
Mail Servers
yssf.jp is handled by a single mail server, yssf.jp.
yssf.jp points to a single IP: 49.212.235.97.