| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| hkoptical.org.hk | SOA | 21600 | ns2.hkoptical.org.hk info@infocity.com.hk 2024080201 10800 3600 604800 10800 | |
| hkoptical.org.hk | NS | 21600 | ns2.hkoptical.org.hk | |
| hkoptical.org.hk | NS | 21600 | ns1.hkoptical.org.hk | |
| hkoptical.org.hk | A | 21600 | 103.20.63.229 | |
| hkoptical.org.hk | MX | 21600 | 10 | mail.hkoptical.org.hk |
| www.hkoptical.org.hk | A | 21600 | 103.20.63.229 | |
| www.hkoptical.org.hk | CNAME | 21600 | hkoptical.org.hk | |
| www.hkoptical.org.hk | MX | 21600 | 10 | mail.hkoptical.org.hk |