nkoptics.com

  • DNS
  • Certs
  • Website Info
  • IP Info
  • Whois
  • RDAP
SOA

Start of Authority

Primary NS
dns15.hichina.com
Mailbox
hostmaster.hichina.com
Serial
2026082616
Refresh
3600
Retry
1200
Expire
86400
Minimum TTL
600
NS

Nameservers

dns16.hichina.comdns15.hichina.com
TXT

TXT Records

verification-code-site-App_feishu=VBcd8jNEGaaZzsBroV3s
v=spf1 include:spf.mail.qq.com ~all 0
v=spf1 +include:_netblocks.m.feishu.cn -all