> For the complete documentation index, see [llms.txt](https://docs.dnscontrol.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.dnscontrol.org/language-reference/record-modifiers/service-provider-specific/hurricane-electric-dns.md).

# Hurricane Electric DNS

- [HEDNS\_DYNAMIC\_ON](https://docs.dnscontrol.org/language-reference/record-modifiers/service-provider-specific/hurricane-electric-dns/hedns_dynamic_on.md)
- [HEDNS\_DYNAMIC\_OFF](https://docs.dnscontrol.org/language-reference/record-modifiers/service-provider-specific/hurricane-electric-dns/hedns_dynamic_off.md)
- [HEDNS\_DDNS\_KEY](https://docs.dnscontrol.org/language-reference/record-modifiers/service-provider-specific/hurricane-electric-dns/hedns_ddns_key.md)