mx.sigdev.jp - dns.ninja
mx.sigdev.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.206.94🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
sigdev.jp
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns41.sigdev.jp ⭐ | ||||||
| NS | ns.sigdev.jp | ||||||
| NS | ns42.sigdev.jp | ||||||
| MX | mx.sigdev.jp ⭐ | ||||||
| TXT | v=spf1 include:_spf.shared-server.net ~all | ||||||
| TXT | v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7/uGReQTbU51x3s... | ||||||
| SOA | ns.sigdev.jppostmaster@sigdev.jp 2025-10-28 #2 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A153.122.206.942026-03-26 → 2026-07-27 · 2 obs
● 2026-03-26 01:57:18
● 2026-07-27 21:32:18
● 2026-07-27 21:32:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| sigdev.jp | ns41.sigdev.jp, ns42.sigdev.jp | 2 records |
✅ Authoritative Response
Server:203.183.194.131
NS records: ns41.sigdev.jp, ns42.sigdev.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sigdev.jp (unsigned zone)
⏱️ Timing
Total: 879ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.206.94 |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns41.sigdev.jp, ns42.sigdev.jp)
Analysis
Mail Server Role
The mail server mx.sigdev.jp processes email for sigdev.jp.
IP Addresses
mx.sigdev.jp resolves to just one IP address, 153.122.206.94.
Two other host names, along with mx.officeusui.net, mx.daiwaparts.co.jp and mx.haruyama.co.jp, also share IP numbers with mx.sigdev.jp.