mail.kr21.jp - robtex.com
mail.kr21.jp
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 202.172.25.22๐ฏ๐ต DRNET202.172.24.0/21 | ||||||
| PTR | b21.coreserver.jp | ||||||
kr21.jp
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 202.172.25.22๐ฏ๐ต DRNET202.172.24.0/21 | ||||||
| NS | ns-1538.awsdns-00.co.uk โญ | ||||||
| NS | ns-1294.awsdns-33.org | ||||||
| NS | ns-240.awsdns-30.com | ||||||
| NS | ns-559.awsdns-05.net | ||||||
| MX | mail.kr21.jp โญ | ||||||
| TXT | google-site-verification=uXdZaFuOYt3iW4lnGVf47HAFehKn4QM9dN_S1fDbmeg | ||||||
| TXT | v=spf1 ip4:202.172.25.22 ~all | ||||||
| SOA | ns-1538.awsdns-00.co.ukawsdns-hostmaster@amazon.com serial=1 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
โA202.172.25.222015-06-05 โ 2026-03-24 ยท 2 obs
โ 2015-06-05 10:46:58
โ 2026-03-24 10:27:06
โ 2026-03-24 10:27:06
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| kr21.jp | ns-240.awsdns-30.com, ns-559.awsdns-05.net, ns-1294.awsdns-33.org, ns-1538.awsdns-00.co.uk | - |
โ Authoritative Response
Server:205.251.194.47
NS records: ns-240.awsdns-30.com, ns-559.awsdns-05.net, ns-1294.awsdns-33.org, ns-1538.awsdns-00.co.uk
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for kr21.jp (unsigned zone)
โฑ๏ธ Timing
Total: 659ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.172.25.22 |
Analysis
Mail Server Role
mail.kr21.jp serves as the mail server for kr21.jp.
IP Addresses
mail.kr21.jp points to IP number 202.172.25.22.
For instance, other host names mail.ozaki-touki.com, katsuyasu.com, kikanko.jp, dragon-works.com and kuos.jp share IP numbers with mail.kr21.jp.