whoareyou

README

whoareyou

whoareyou returns dns server IP address, port and transport used. Server IP address is returned in the answer section as either an A or AAAA record.

The port and transport are included in the additional section as a SRV record, transport can be "tcp" or "udp".

._<transport>.qname. 0 IN SRV 0 0 <port> .

Syntax

whoareyou

Examples

.:53 {
    whoareyou
}

When queried for "example.org A", CoreDNS will respond with:

;; QUESTION SECTION:
;example.org.              IN  A

;; ANSWER SECTION:
example.org.            0  IN  A    127.0.0.1

;; ADDITIONAL SECTION:
_udp.example.org.       0  IN  SRV  0 0 53

When queried for "example.org AAAA", CoreDNS will respond with:

;; QUESTION SECTION:
;example.org.              IN  AAAA

;; ANSWER SECTION:
example.org.            0  IN  AAAA   ::1

;; ADDITIONAL SECTION:
_udp.example.org.       0  IN  SRV    0 0 53

Documentation

Index

• type Whoareyou
  • func (wh Whoareyou) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg) (int, error)

Types

type Whoareyou

type Whoareyou struct {
	Next middleware.Handler
	// contains filtered or unexported fields
}

func (Whoareyou) ServeDNS

func (wh Whoareyou) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg) (int, error)