mx.mac300.com - robtex.com
mx.mac300.com
| 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 | ||||||
mac300.com
| 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.mac300.com ⭐ | ||||||
| TXT | v=spf1 include:spf.gmoserver.jp ~all | ||||||
| SOA | dns01.gmoserver.jphostmaster@mac300.com 2022-01-06 #4 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A210.157.5.192015-07-07 → 2026-04-01 · 2 obs
● 2015-07-07 03:33:20
● 2026-04-01 00:15:46
● 2026-04-01 00:15:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| mac300.com | dns01.gmoserver.jp, dns02.gmoserver.jp | - |
✅ Authoritative Response
Server:157.7.33.81
NS records: dns01.gmoserver.jp, dns02.gmoserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mac300.com (unsigned zone)
⏱️ Timing
Total: 883ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.157.5.19 |
Analysis
Mail Server Role
mx.mac300.com is the mail server for mac300.com.
IP Addresses
mx.mac300.com resolves to one IP number: 210.157.5.19.
other host names including mx.takiwazakai.org, mx.nanken.info, mx.muranaka-ganka.com, mx.satsuki-f.com and mx.eitai.myoonji.com share IP numbers with mx.mac300.com.