bitran.jp - robtex.com
bitran.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.233.182.27🇯🇵 IIJ-AS210.233.182.0/24 IIJ Customer route | ||||||
| PTR | as0304.knet.ne.jp | ||||||
| NS | dns2.knet.ad.jp ⭐ | ||||||
| A | 210.233.168.11🇯🇵 IIJ-AS210.233.168.0/24 IIJ Customer route | ||||||
| PTR | dns2.knet.ad.jp | ||||||
| NS | dns.knet.ad.jp | ||||||
| A | 210.233.168.10🇯🇵 IIJ-AS210.233.168.0/24 IIJ Customer route | ||||||
| PTR | dns.knet.ad.jp | ||||||
| MX | mail.bitran.co.jp ⭐ | ||||||
| A | 210.233.182.27🇯🇵 IIJ-AS210.233.182.0/24 IIJ Customer route | ||||||
| PTR | as0304.knet.ne.jp | ||||||
| TXT | v=spf1 ip4:210.233.182.0/24 ip4:210.233.183.0/24 ~all | ||||||
| SOA | dns.knet.ad.jppostmaster@www.bitran.jp 2024-06-03 #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=1775997902 | ||||||
Subdomains
www.bitran.jp |
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
●NSdns.knet.ad.jp2015-07-02 → 2026-04-12 · 2 obs
● 2026-04-12 13:04:52
●NSdns2.knet.ad.jp2015-07-02 → 2026-04-12 · 2 obs
● 2026-04-12 13:04:52
●MXmail.bitran.co.jp2026-04-10 → 2026-04-12 · 3 obs
● 2026-04-10 13:07:48
● 2026-04-12 13:04:52
○MXwww.bitran.jp2015-07-02 → 2017-08-24 · 4 obs
● 2017-08-24 07:08:04
○ 2026-04-10 13:07:48
○ 2026-04-12 13:04:52
●A210.233.182.272026-04-10 → 2026-04-12 · 3 obs
● 2026-04-10 13:07:48
● 2026-04-12 13:04:52
○A210.233.182.342015-07-02 → 2017-08-24 · 4 obs
● 2017-08-24 07:08:04
○ 2026-04-10 13:07:48
○ 2026-04-12 13:04:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, e.dns.jp, f.dns.jp... | - |
| bitran.jp | dns.knet.ad.jp, dns2.knet.ad.jp | 2 records |
✅ Authoritative Response
Server:210.233.168.11
NS records: dns.knet.ad.jp, dns2.knet.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bitran.jp (unsigned zone)
⏱️ Timing
Total: 884ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.233.182.27 |
| NS | 2 | dns2.knet.ad.jp, dns.knet.ad.jp |
| MX | 1 | mail.bitran.co.jp (pri: 0) |
| TXT | 1 | v=spf1 ip4:210.233.182.0/24 ip4:210.233. |
| SOA | 1 | dns.knet.ad.jp postmaster.www.bitran.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns.knet.ad.jp, dns2.knet.ad.jp)
Analysis
Hierarchy
bitran.jp is a parent of www.bitran.jp.
IP Addresses
bitran.jp points to a single IP number: 210.233.182.27.
Other host names, for instance mail.juntoku.ac.jp, www.nomura-j.co.jp, kumagayacci.or.jp, www.ozawadenki.co.jp and nomura-j.co.jp share IP numbers with bitran.jp.
Name Servers
Delegation for bitran.jp rests with two name servers, dns2.knet.ad.jp and dns.knet.ad.jp.
bitran.jp shares the same name server setup as other domains, including shinanoya-unagi.co.jp, kumagaya-ishiwara-e.ed.jp, kumagayahigashi-j.ed.jp, fukaya-toyosato-j.ed.jp and kumagaya.or.jp.
bitran.jp at least partially shares name servers with other domains, for instance m-m-k.co.jp, city.fukaya.saitama.jp, astro-p.co.jp, knet.ad.jp and fukaya-minami-j.ed.jp.
These name servers are commonly used with the name servers dns3.knet.ad.jp.
Host names with one IP number: dns2.knet.ad.jp points to 210.233.168.11; dns.knet.ad.jp points to 210.233.168.10.
Mail Servers
bitran.jp is handled by a single mail server, mail.bitran.co.jp.
bitran.jp uses the same mail server setup as other domains, such as bitran.co.jp.
mail.bitran.co.jp points to a single IP: 210.233.182.27.