dev.rundev.jp - robtex.com
dev.rundev.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 54.178.149.154🇯🇵 Amazon54.178.128.0/17 EC2 NRT prefix | ||||||
| PTR | ec2-54-178-149-154.ap-northeast-1.compute.amazonaws.com | ||||||
| A | 57.182.142.124🇯🇵 Amazon57.180.0.0/14 EC2 | ||||||
| MX | mail.dev.rundev.jp ⭐ | ||||||
| A | 52.193.159.143🇯🇵 Amazon52.192.0.0/15 EC2 NRT prefix | ||||||
| PTR | ec2-52-193-159-143.ap-northeast-1.compute.amazonaws.com | ||||||
rundev.jp
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-30.awsdns-03.com ⭐ | ||||||
| NS | ns-1082.awsdns-07.org | ||||||
| NS | ns-2004.awsdns-58.co.uk | ||||||
| NS | ns-937.awsdns-53.net | ||||||
| SOA | ns-30.awsdns-03.comawsdns-hostmaster@amazon.com serial=1 | ||||||
Subdomains
mail.dev.rundev.jp |
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●MXmail.dev.rundev.jp2026-03-04 → 2026-03-04 · 2 obs
● 2026-03-04 03:17:16
● 2026-03-04 13:21:38
● 2026-03-04 13:21:38
●A54.178.149.1542026-03-04 → 2026-03-04 · 2 obs
● 2026-03-04 03:17:16
● 2026-03-04 13:21:38
● 2026-03-04 13:21:38
●A57.182.142.1242026-03-04 → 2026-03-04 · 2 obs
● 2026-03-04 03:17:16
● 2026-03-04 13:21:38
● 2026-03-04 13:21:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | c.dns.jp, e.dns.jp, a.dns.jp, d.dns.jp... | - |
| rundev.jp | ns-30.awsdns-03.com, ns-2004.awsdns-58.co.uk, ns-1082.awsdns-07.org, ns-937.awsdns-53.net | - |
✅ Authoritative Response
Server: 205.251.192.30
NS records: ns-30.awsdns-03.com, ns-2004.awsdns-58.co.uk, ns-1082.awsdns-07.org, ns-937.awsdns-53.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rundev.jp (unsigned zone)
⏱️ Timing
Total: 432ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 57.182.142.124, 54.178.149.154 |
| MX | 1 | mail.dev.rundev.jp (pri: 10) |
Analysis
Hierarchy
dev.rundev.jp is the parent of mail.dev.rundev.jp.
IP Addresses
dev.rundev.jp points to two IPs: 54.178.149.154 and 57.182.142.124.
Other host names, such as ec2-54-178-149-154.ap-northeast-1.compute.amazonaws.com and qquru.dev, share IP numbers with dev.rundev.jp.
Mail Servers
dev.rundev.jp is handled by a single mail server, mail.dev.rundev.jp.
mail.dev.rundev.jp points to a single IP: 52.193.159.143.