mail.5271.jp - robtex.com
mail.5271.jp
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 203.137.192.52๐ฏ๐ต IDC203.137.192.0/18 Frontier Inc. | ||||||
| PTR | v001.w3-a.net | ||||||
5271.jp
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 203.137.192.52๐ฏ๐ต IDC203.137.192.0/18 Frontier Inc. | ||||||
| NS | ns1.5271.jp โญ โ ๏ธ Not in parent delegation | ||||||
| NS | dns.auc.co.jp โ ๏ธ Not in zone NS records | ||||||
| NS | dns1.auc.co.jp โ ๏ธ Not in zone NS records | ||||||
| NS | ns.5271.jp โ ๏ธ Not in parent delegation | ||||||
| MX | mail.5271.jp โญ | ||||||
| TXT | v=spf1 include:_spf.w3-a.net ~all | ||||||
| SOA | ns.5271.jproot@5271.jp 2025-06-16 #0 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
โA203.137.192.522026-03-08 โ 2026-05-01 ยท 3 obs
โ 2016-10-07 14:05:24
โ 2026-03-08 14:50:16
โ 2026-05-01 22:11:16
โ 2026-03-08 14:50:16
โ 2026-05-01 22:11:16
โA61.86.246.232015-08-13 โ 2016-10-07 ยท 4 obs
โ 2015-08-13 21:07:52
โ 2016-10-07 14:05:24
โ 2026-03-08 14:50:16
โ 2026-05-01 22:11:16
โ 2016-10-07 14:05:24
โ 2026-03-08 14:50:16
โ 2026-05-01 22:11:16
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, d.dns.jp, c.dns.jp, h.dns.jp... | - |
| 5271.jp | dns.auc.co.jp, dns1.auc.co.jp | 2 records |
โ Authoritative Response
Server:203.137.192.209
NS records: dns.auc.co.jp, dns1.auc.co.jp
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for 5271.jp (unsigned zone)
โฑ๏ธ Timing
Total: 1106ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 203.137.192.52 |
๐ Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns.auc.co.jp, dns1.auc.co.jp)
Analysis
Mail Server Role
mail.5271.jp serves as the mail server for 5271.jp.
IP Addresses
mail.5271.jp points to an IP address: 203.137.192.52.
other host names include fsclub.jp, e-boiler.co.jp, mail.ryu2.co.jp, horyuji-market.com and mail.golfkaiinken.com; they share IP numbers with mail.5271.jp.