3bit.jp - dns.ninja
3bit.jp
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.3bit.co.jp ⭐ | ||||||
| A | 2001:268:315::53:2🇯🇵 KDDI2001:268::/32 | ||||||
| PTR | ns.tukusi.ne.jp | ||||||
| NS | dns102.dion.ne.jp ⚠️ Not in parent delegation | ||||||
| A | 2001:268:ff00:4::2🇯🇵 KDDI2001:268::/32 | ||||||
| PTR | dns102.dion.ne.jp | ||||||
| A | 61.200.163.50🇯🇵 KDDI61.200.128.0/17 InternetKDD | ||||||
| PTR | dns102.dion.ne.jp | ||||||
| NS | dns4.dion.ne.jp ⚠️ Not in zone NS records | ||||||
| A | 210.172.64.112🇯🇵 KDDI210.172.64.0/18 | ||||||
| PTR | dns4.dion.ne.jp | ||||||
| NS | ns.3bit.co.jp ⚠️ Not in parent delegation | ||||||
| A | 2001:268:315::53:1🇯🇵 KDDI2001:268::/32 | ||||||
| PTR | casper.3bit.co.jp | ||||||
| A | 211.126.228.34🇯🇵 KDDI211.126.0.0/16 | ||||||
| SOA | ns.3bit.co.jproot@3bit.co.jp 2014-07-15 #0 | ||||||
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=1784947503 | ||||||
Same first word
Similar names
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it3b.com |
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3itb.com |
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b3it.net |
itb3.de |
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DNS History
4 records (4 active, 0 former)
●NSdns102.dion.ne.jp2015-05-30 → 2026-07-25 · 8 obs
● 2017-01-04 02:07:22
○ 2026-02-24 11:17:04
● 2026-03-12 04:40:26
● 2026-06-11 20:35:34
○ 2026-06-25 23:25:48
● 2026-07-10 11:10:40
● 2026-07-25 02:59:36
●NSdns4.dion.ne.jp2026-02-24 → 2026-07-25 · 3 obs
● 2026-02-24 11:17:04
● 2026-07-25 02:59:36
●NSns.3bit.co.jp2015-05-30 → 2026-07-25 · 2 obs
● 2026-07-25 02:59:36
●NSns1.3bit.co.jp2015-05-30 → 2026-07-25 · 8 obs
● 2017-01-04 02:07:22
○ 2026-02-24 11:17:04
● 2026-03-12 04:40:26
● 2026-06-11 20:35:34
○ 2026-06-25 23:25:48
● 2026-07-10 11:10:40
● 2026-07-25 02:59:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| 3bit.jp | ns.3bit.co.jp, dns4.dion.ne.jp | 2 records |
✅ Authoritative Response
Server:210.172.64.112
NS records: ns.3bit.co.jp, dns4.dion.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 3bit.jp (unsigned zone)
⏱️ Timing
Total: 1718ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns.3bit.co.jp, ns1.3bit.co.jp... |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.3bit.co.jp, ns.3bit.co.jp)
Analysis
Name Servers
The NS records for 3bit.jp point to four name servers: ns1.3bit.co.jp, ns.3bit.co.jp, dns102.dion.ne.jp and dns4.dion.ne.jp.
At least some of 3bit.jp's name servers are shared with other domains, for example jrcc.co.jp, naf.gr.jp, 160h.84.251.210.in-addr.arpa and two more.
These name servers tend to co-occur with ns.tukusi.ne.jp, nsx0.jfe-gr.net, nsx01.jfe-gr.net and 7 other name servers in the same DNS delegations.
Host names that have two IP addresses:
ns.3bit.co.jp points to 211.126.228.34 and 2001:268:315::53:1.
dns102.dion.ne.jp points to 61.200.163.50 and 2001:268:ff00:4::2.
Host names that point to one IP address:
ns1.3bit.co.jp points to 2001:268:315::53:2.
dns4.dion.ne.jp points to 210.172.64.112.