Research Organization of Information and Systems, National Institute of Informatics
AS2907
Japan
Tokyo, Tokyo
mailserver2.sinet.ad.jp has no AAAA records.
mailserver2.sinet.ad.jp has no CNAME records.
mailserver2.sinet.ad.jp has no TXT records.
mailserver2.sinet.ad.jp has no MX records.
mailserver2.sinet.ad.jp has no NS records.
NS records for this zone are defined at sinet.ad.jp.
NS records for this zone are defined at sinet.ad.jp.
Zone apex
Start of authority
Email
Serial
2026022001
Refresh
1m
Retry
15m
Expire
3d
Negative cache TTL
3m