b-chan.jp - robtex.com
b-chan.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 175.41.251.136🇯🇵 Amazon175.41.192.0/18 Data Services Japan KK 11F Shibuya Cross Tower 2-15-1, Shibuya-ku Shibuya | ||||||
| PTR | ec2-175-41-251-136.ap-northeast-1.compute.amazonaws.com | ||||||
| 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 | b-chan.jp ⭐ | ||||||
| A | 175.41.251.136🇯🇵 Amazon175.41.192.0/18 Data Services Japan KK 11F Shibuya Cross Tower 2-15-1, Shibuya-ku Shibuya | ||||||
| PTR | ec2-175-41-251-136.ap-northeast-1.compute.amazonaws.com | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2013-12-06 #23 | ||||||
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=1777401903 | ||||||
MX for
b-chan.jp |
Same first word
b-chan.jp |
DNS History
5 records (5 active, 0 former)
●MXb-chan.jp2015-05-31 → 2026-04-28 · 2 obs
● 2026-04-28 19:50:30
●A175.41.251.1362015-05-31 → 2026-04-28 · 2 obs
● 2026-04-28 19:50:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| b-chan.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 b-chan.jp (unsigned zone)
⏱️ Timing
Total: 891ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 175.41.251.136 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | b-chan.jp (pri: 10) |
| 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
b-chan.jp serves as a mail server for b-chan.jp.
IP Addresses
b-chan.jp points to a single IP: 175.41.251.136.
Other host names, for instance koogawa.com, ec2-175-41-251-136.ap-northeast-1.compute.amazonaws.com and tetsuyaota.net share IP numbers with b-chan.jp.
Name Servers
b-chan.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
b-chan.jp partially shares name servers with other domains; examples include isotsuri.com, jclu.org, tcreative.jp, hamanosp.com and masuosan.com.
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
b-chan.jp is handled by a single mail server, b-chan.jp.
b-chan.jp points to a single IP: 175.41.251.136.