bb-brain.co.jp - robtex.com
bb-brain.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.235.99🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3389.sakura.ne.jp | ||||||
| NS | ns.bb-brain.co.jp ⭐ | ||||||
| A | 121.80.5.58🇯🇵 eo121.80.0.0/14 K-OPTI.COM | ||||||
| NS | ns13.eonet.ne.jp | ||||||
| A | 2001:ce8:0:1512::1🇯🇵 eo2001:ce8::/32 K-OPTI.COM | ||||||
| PTR | ns13.eonet.ne.jp | ||||||
| A | 59.190.147.4🇯🇵 eo59.190.0.0/16 OPTAGE Inc. | ||||||
| PTR | ns13.eonet.ne.jp | ||||||
| MX | ns.bb-brain.co.jp ⭐ | ||||||
| A | 121.80.5.58🇯🇵 eo121.80.0.0/14 K-OPTI.COM | ||||||
| TXT | v=spf1 +ip4:121.80.5.58 +ip4:121.80.5.59 +ip4:49.212.235.99 +ip4:192.9.200.0/... | ||||||
| TXT | MS=856E4DC2E2EF964681948783367F5B7B40387806 | ||||||
| SOA | ns.bb-brain.co.jproot@bb-brain.co.jp 2025-09-12 #1 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
WOT: SAFE (58/100)
Subdomains
Same first word
DNS History
5 records (4 active, 1 former)
●NSns.bb-brain.co.jp2015-07-17 → 2026-04-11 · 2 obs
● 2026-04-11 20:19:16
●NSns13.eonet.ne.jp2026-02-21 → 2026-04-11 · 3 obs
● 2026-02-21 22:30:38
● 2026-04-11 20:19:16
○NSns2.sphere.ad.jp2015-07-17 → 2019-04-02 · 4 obs
● 2019-04-02 10:19:30
○ 2026-02-21 22:30:38
○ 2026-04-11 20:19:16
●MXns.bb-brain.co.jp2015-07-17 → 2026-04-11 · 2 obs
● 2026-04-11 20:19:16
●A49.212.235.992026-02-21 → 2026-04-11 · 2 obs
● 2026-04-11 20:19:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| bb-brain.co.jp | ns13.eonet.ne.jp, ns.bb-brain.co.jp | 1 record |
✅ Authoritative Response
Server:59.190.147.4
NS records: ns13.eonet.ne.jp, ns.bb-brain.co.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bb-brain.co.jp (unsigned zone)
⏱️ Timing
Total: 1518ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.235.99 |
| NS | 2 | ns.bb-brain.co.jp, ns13.eonet.ne.jp |
| MX | 1 | ns.bb-brain.co.jp (pri: 10) |
| TXT | 2 | v=spf1 +ip4:121.80.5.58 +ip4:121.80.5.59, MS=856E4DC2E2EF964681948783367F5B7B40387 |
| SOA | 1 | ns.bb-brain.co.jp root.bb-brain.co.jp |
📌 Glue Records Collected
Total: 1
In-bailiwick: 1 (ns.bb-brain.co.jp)
Analysis
Hierarchy
bb-brain.co.jp is a parent of ns.bb-brain.co.jp and www.bb-brain.co.jp.
IP Addresses
bb-brain.co.jp maps to IP address 49.212.235.99.
Other host names, for instance nben.or.jp, minagawa-uro.com, ai-scan.com, nexus-group.co.jp and mamanowa.info share IP numbers with bb-brain.co.jp.
Name Servers
Two name servers ns.bb-brain.co.jp and ns13.eonet.ne.jp are delegated to bb-brain.co.jp.
bb-brain.co.jp at least partially shares name servers with other domains such as kannousuiken-osaka.or.jp, ono119.jp, gakujin.jp, montbell.us and ncikk.co.jp.
These name servers are often used together with ns12.eonet.ne.jp, ns11.eonet.ne.jp, dns.montbell.com, dns01.arcadia.co.jp, ns2.kanden.ne.jp, svdn03.kanden.ne.jp, n-svdn03.kanden.ne.jp, ns.knsk-osaka.jp and ns1.ncikk.co.jp.
Host names by IP count:
Two IP numbers: The host name ns13.eonet.ne.jp points to 2001:ce8:0:1512::1 and 59.190.147.4.
One IP number: The host name ns.bb-brain.co.jp points to 121.80.5.58.
Mail Servers
bb-brain.co.jp is handled by a single mail server, ns.bb-brain.co.jp.