jjb.jp - robtex.com
jjb.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 59.106.13.7🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www377.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 | jjb.jp ⭐ | ||||||
| A | 59.106.13.7🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www377.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www377.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2023-05-08 #1 | ||||||
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=1771290902 | ||||||
MX for
jjb.jp |
Subdomains
ftp.jjb.jp |
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
○NSns-kgs01.ocn.ad.jp2015-06-24 → 2016-07-08 · 3 obs
● 2016-07-08 21:49:16
○ 2026-03-14 05:45:12
○NSns-kns01.ocn.ad.jp2015-06-24 → 2016-07-08 · 3 obs
● 2016-07-08 21:49:16
○ 2026-03-14 05:45:12
●MXjjb.jp2026-03-14 → 2026-03-14 · 2 obs
● 2026-03-14 05:45:12
○MXms-gw.ocn.ad.jp2015-06-24 → 2016-07-08 · 3 obs
● 2016-07-08 21:49:16
○ 2026-03-14 05:45:12
●A59.106.13.72026-03-14 → 2026-03-14 · 1 obs
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | c.dns.jp, a.dns.jp, e.dns.jp, f.dns.jp... | - |
| jjb.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 jjb.jp (unsigned zone)
⏱️ Timing
Total: 724ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 59.106.13.7 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | jjb.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www377.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
jjb.jp is the parent of ftp.jjb.jp.
Mail Server Role
jjb.jp is the mail server for jjb.jp.
IP Addresses
jjb.jp resolves to a single IP: 59.106.13.7.
Other host names, for instance yanaka-ns.com, nea.jp, shiba-inu.sakura.ne.jp, unkai.org and solger.sakura.ne.jp share IP numbers with jjb.jp.
Name Servers
jjb.jp delegates to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
jjb.jp shares some name servers with other domains, for example hanaaf.com, ouma-takenoko.jp, eakon.co.jp, onoto.co.jp and niyodoblue.jp.
These name servers are commonly used with the name servers dns.sakura.ad.jp.
Host names with a single IP: 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
One mail server handles jjb.jp.
Host name jjb.jp points to IP 59.106.13.7.