| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| gcbio.com | SOA | 600 | dns19.hichina.com hostmaster@hichina.com 2025010709 3600 1200 86400 600 | |
| gcbio.com | NS | 21600 | dns19.hichina.com | |
| gcbio.com | NS | 21600 | dns20.hichina.com | |
| gcbio.com | MX | 600 | 1 | gcbio-com.mail.protection.outlook.com |