# Record Modifiers

- [TTL](/language-reference/record-modifiers/ttl.md)
- [Service Provider specific](/language-reference/record-modifiers/service-provider-specific.md)
- [Amazon Route 53](/language-reference/record-modifiers/service-provider-specific/amazon-route-53.md)
- [R53\_ZONE](/language-reference/record-modifiers/service-provider-specific/amazon-route-53/r53_zone.md)
- [R53\_EVALUATE\_TARGET\_HEALTH](/language-reference/record-modifiers/service-provider-specific/amazon-route-53/r53_evaluate_target_health.md)