bisyo.ed.jp - robtex.com
bisyo.ed.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.94.160.198🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | 198.160.94.219.static.www142b.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 | bisyo.ed.jp ⭐ | ||||||
| A | 219.94.160.198🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | 198.160.94.219.static.www142b.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www142b.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2024-06-03 #1 | ||||||
ed.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | ed.jp. | ||||||
MX for
bisyo.ed.jp |
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSmaster.dns.ne.jp2015-11-11 → 2026-07-25 · 3 obs
● 2015-11-11 23:22:20
● 2026-07-25 15:33:58
●NSns1.dns.ne.jp2015-11-11 → 2026-07-25 · 3 obs
● 2015-11-11 23:22:20
● 2026-07-25 15:33:58
○NSns1.secure.net2015-05-19 → 2015-05-19 · 3 obs
○ 2015-11-11 23:22:20
○ 2026-07-25 15:33:58
●NSns2.dns.ne.jp2015-11-11 → 2026-07-25 · 3 obs
● 2015-11-11 23:22:20
● 2026-07-25 15:33:58
○NSns2.secure.net2015-05-19 → 2015-05-19 · 3 obs
○ 2015-11-11 23:22:20
○ 2026-07-25 15:33:58
●MXbisyo.ed.jp2015-05-19 → 2026-07-25 · 2 obs
● 2026-07-25 15:33:58
○A111.68.252.1342015-05-19 → 2015-05-19 · 3 obs
○ 2015-11-11 23:22:20
○ 2026-07-25 15:33:58
●A219.94.160.1982015-11-11 → 2026-07-25 · 3 obs
● 2015-11-11 23:22:20
● 2026-07-25 15:33:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, a.dns.jp, b.dns.jp, h.dns.jp... | - |
| bisyo.ed.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 bisyo.ed.jp (unsigned zone)
⏱️ Timing
Total: 920ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.160.198 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | bisyo.ed.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www142b.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
bisyo.ed.jp handles its own mail, functioning as its own mail server.
IP Addresses
bisyo.ed.jp resolves to just one IP address, 219.94.160.198.
Other host names, among them ss.yasui.ed.jp and astokblog.jp, have IP numbers in common with bisyo.ed.jp.
Name Servers
bisyo.ed.jp has three name servers — master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
At least some of bisyo.ed.jp's name servers are shared with other domains, for example n9215.com, tof-law.co.jp, yatsushiro007.com and two more.
Each of the three hostnames points to exactly one IP address: master.dns.ne.jp points to 210.224.172.18, ns1.dns.ne.jp points to 61.211.236.1 and ns2.dns.ne.jp points to 133.167.21.1.
Mail Servers
bisyo.ed.jp is served by just one mail server: bisyo.ed.jp.
bisyo.ed.jp points to one IP number — 219.94.160.198.