mx.jazztheory.jp - robtex.com
mx.jazztheory.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.157.5.19🇯🇵 GMO-INTERNET210.157.0.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | mx.gmoserver.jp | ||||||
jazztheory.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 160.251.229.82🇯🇵 GMOOSK-NET160.251.229.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| NS | dns01.gmoserver.jp ⭐ | ||||||
| NS | dns02.gmoserver.jp | ||||||
| MX | mx.jazztheory.jp ⭐ | ||||||
| TXT | v=spf1 include:spf.gmoserver.jp ~all | ||||||
| SOA | dns01.gmoserver.jphostmaster@jazztheory.jp 2021-12-24 #4 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A210.157.5.192015-07-16 → 2026-04-26 · 2 obs
● 2015-07-16 07:51:18
● 2026-04-26 22:50:20
● 2026-04-26 22:50:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | b.dns.jp, g.dns.jp, h.dns.jp, d.dns.jp... | - |
| jazztheory.jp | dns01.gmoserver.jp, dns02.gmoserver.jp | - |
✅ Authoritative Response
Server:157.7.34.81
NS records: dns01.gmoserver.jp, dns02.gmoserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jazztheory.jp (unsigned zone)
⏱️ Timing
Total: 1414ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.157.5.19 |
Analysis
Mail Server Role
mx.jazztheory.jp serves as the mail server for jazztheory.jp.
IP Addresses
mx.jazztheory.jp resolves to a single IP: 210.157.5.19.
Other host names, for instance mx.kinoqo.com, mx.ayasekakeifu.com, mx.yoshiei.info, mx.xn--bdkyb7dz99m9y1b.biz and mx.bo5j.ga-mo.com share IP numbers with mx.jazztheory.jp.