Enum RCode

pub enum RCode {
    NoError,
    FormErr,
    ServFail,
    NXDomain,
    NotImp,
    Refused,
    YXDomain,
    YXRRSet,
    NXRRSet,
    NotAuth,
    NotZone,
    DSOTYPENI,
    Unassigned12,
    Unassigned13,
    Unassigned14,
    Unassigned15,
    BADVERS,
    BADKEY,
    BADTIME,
    BADMODE,
    BADNAME,
    BADALG,
    BADTRUNC,
    BADCOOKIE,
    Unknown,
}

These codes were obtained from https://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml#dns-parameters-6.

Variants

NoError

No Error.

FormErr

Format Error.

ServFail

Server Failure.

NXDomain

Non-Existent Domain.

NotImp

Not Implemented. Cloudflare returns this for all ANY DNS requests.

Refused

Query Refused.

YXDomain

Name Exists when it should not.

YXRRSet

RR Set Exists when it should not.

NXRRSet

RR Set that should exist does not.

NotAuth

Server Not Authoritative for zone.

NotZone

Name not contained in zone.

DSOTYPENI

DSO-TYPE Not Implemented.

Unassigned12

Unassigned.

Unassigned13

Unassigned.

Unassigned14

Unassigned.

Unassigned15

Unassigned.

BADVERS

Bad OPT Version.

BADKEY

Key not recognized.

BADTIME

Signature out of time window.

BADMODE

Bad TKEY Mode.

BADNAME

Duplicate key name.

BADALG

Algorithm not supported.

BADTRUNC

Bad Truncation.

BADCOOKIE

Bad/missing Server Cookie.

Unknown

Unknown.

Trait Implementations

impl Debug for RCode

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for RCode

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl FromPrimitive for RCode

fn from_i64(n: i64) -> Option<Self>

Converts an i64 to return an optional value of this type. If the value cannot be represented by this type, then None is returned.

fn from_u64(n: u64) -> Option<Self>

Converts an u64 to return an optional value of this type. If the value cannot be represented by this type, then None is returned.

fn from_isize(n: isize) -> Option<Self>

Converts an isize to return an optional value of this type. If the value cannot be represented by this type, then None is returned.

fn from_i8(n: i8) -> Option<Self>

Converts an i8 to return an optional value of this type. If the value cannot be represented by this type, then None is returned.

fn from_i16(n: i16) -> Option<Self>

Converts an i16 to return an optional value of this type. If the value cannot be represented by this type, then None is returned.

fn from_i32(n: i32) -> Option<Self>

Converts an i32 to return an optional value of this type. If the value cannot be represented by this type, then None is returned.

fn from_i128(n: i128) -> Option<Self>

Converts an i128 to return an optional value of this type. If the value cannot be represented by this type, then None is returned.

fn from_usize(n: usize) -> Option<Self>

Converts a usize to return an optional value of this type. If the value cannot be represented by this type, then None is returned.

fn from_u8(n: u8) -> Option<Self>

Converts an u8 to return an optional value of this type. If the value cannot be represented by this type, then None is returned.

fn from_u16(n: u16) -> Option<Self>

Converts an u16 to return an optional value of this type. If the value cannot be represented by this type, then None is returned.

fn from_u32(n: u32) -> Option<Self>

Converts an u32 to return an optional value of this type. If the value cannot be represented by this type, then None is returned.

fn from_u128(n: u128) -> Option<Self>

Converts an u128 to return an optional value of this type. If the value cannot be represented by this type, then None is returned.

fn from_f32(n: f32) -> Option<Self>

Converts a f32 to return an optional value of this type. If the value cannot be represented by this type, then None is returned.

fn from_f64(n: f64) -> Option<Self>

Converts a f64 to return an optional value of this type. If the value cannot be represented by this type, then None is returned.