bt2020.jp - robtex.com
bt2020.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.52.185🇯🇵 AS131921153.122.48.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| PTR | bt2020.jp | ||||||
| NS | dns01.muumuu-domain.com ⭐ | ||||||
| A | 202.239.23.39🇯🇵 IDC202.239.23.0/24 Frontier Inc. | ||||||
| NS | dns02.muumuu-domain.com | ||||||
| A | 160.251.249.62🇯🇵 GMOOSK-NET160.251.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| MX | bt2020.jp ⭐ | ||||||
| A | 153.122.52.185🇯🇵 AS131921153.122.48.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| PTR | bt2020.jp | ||||||
| TXT | v=spf1 +a +mx +a:bt2020.jp -all | ||||||
| SOA | dns01.muumuu-domain.compostmaster@bt2020.jp serial=1771482163 | ||||||
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=1778567402 | ||||||
PTR for
MX for
bt2020.jp |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSdns01.muumuu-domain.com2026-02-22 → 2026-05-12 · 2 obs
● 2026-05-12 07:01:32
●NSdns02.muumuu-domain.com2026-02-22 → 2026-05-12 · 2 obs
● 2026-05-12 07:01:32
●MXbt2020.jp2026-02-22 → 2026-05-12 · 2 obs
● 2026-05-12 07:01:32
●A153.122.52.1852026-02-22 → 2026-05-12 · 2 obs
● 2026-05-12 07:01:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | c.dns.jp, g.dns.jp, b.dns.jp, a.dns.jp... | - |
| bt2020.jp | dns01.muumuu-domain.com, dns02.muumuu-domain.com | - |
✅ Authoritative Response
Server:202.239.23.39
NS records: dns01.muumuu-domain.com, dns02.muumuu-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bt2020.jp (unsigned zone)
⏱️ Timing
Total: 1345ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.52.185 |
| NS | 2 | dns01.muumuu-domain.com, dns02.muumuu-domain.com |
| MX | 1 | bt2020.jp (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +a:bt2020.jp -all |
| SOA | 1 | dns01.muumuu-domain.com postmaster.bt202 |
Analysis
Mail Server Role
bt2020.jp serves as a mail server for bt2020.jp.
IP Addresses
bt2020.jp points to a single IP: 153.122.52.185.
Other host names such as ami25.com and e-kiroku.jp share IP numbers with bt2020.jp.
Name Servers
Two name servers dns01.muumuu-domain.com and dns02.muumuu-domain.com handle delegation for bt2020.jp.
bt2020.jp uses the same name server setup as other domains, for example 8sence.com, s8958.com, kc-seven8.com, marimogaeru0925.com and rprojectjapan.com.
bt2020.jp partially shares name servers with other domains; examples include green-guild.com, tenade.com, atefhalim.com, atelierrisa.com and asoul.net.
Host names with one IP number: The host name dns01.muumuu-domain.com points to 202.239.23.39 and the host name dns02.muumuu-domain.com points to 160.251.249.62.
Mail Servers
bt2020.jp is handled by a single mail server, bt2020.jp.
bt2020.jp points to a single IP: 153.122.52.185.