- 133.18.65.21
DOMAIN ANALYSIS
Detailed Analysis for optimal-web.co.jp
Comprehensive domain information including WHOIS data, DNS records, and SSL certificate status.
WHOIS Information
Registrar
N/A
Creation Date
June 25th 2008, 12:00:00 AM
Expiration Date
N/A
Updated Date
June 30th 2024, 4:05:24 PM
Status
Connected (2025/06/30)
Name Servers
ns0.kagoya.net, ns1.kagoya.net
SSL Certificate
Status
Valid Certificate
Issuer
Let's Encrypt
Subject
optimal-web.co.jp
Valid From
April 15th 2025, 4:49:59 PM
Valid To
July 14th 2025, 4:49:58 PM
Serial Number
05DA7B4179411837065AE809BAB6640B74D4
DNS Records
A
Address Records
MX
Mail Exchange Records
Priority 10
dmail.optimal-web.co.jp
NS
Nameserver Records
- ns0.kagoya.net
- ns1.kagoya.net
SOA
Start of Authority Record
Primary Nameserver
ns.kagoya.net
Administrator
root.kagoya.net
Serial
2025050001
Refresh
4200s
Retry
300s
Expire
3600000s
Minimum TTL
600s
TXT
Text Records
v=spf1 include:kagoya.net ~all