; <<>> DiG Dig.Domains <<>> any mx4.ig.correio.biz
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 43876
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
; EDE: 23 (Network Error): ([2804:218:7000:0:186:202:8:254] rcode=REFUSED for mx4.ig.correio.biz/all)
; EDE: 23 (Network Error): ([186.202.8.254] rcode=REFUSED for mx4.ig.correio.biz/all)
; EDE: 23 (Network Error): ([187.45.248.254] rcode=REFUSED for mx4.ig.correio.biz/all)
; EDE: 23 (Network Error): ([189.126.101.254] rcode=REFUSED for mx4.ig.correio.biz/all)
; EDE: 23 (Network Error): ([2804:218:7001:0:187:45:248:254] rcode=REFUSED for mx4.ig.correio.biz/all)
; EDE: 22 (No Reachable Authority): (At delegation correio.biz for mx4.ig.correio.biz/all)
;; QUESTION SECTION:
;mx4.ig.correio.biz.	IN ANY

;; Query time: 764 msec
;; SERVER: 8.8.4.4#53(8.8.4.4)
;; WHEN: Fri Jul 11 10:04:41 UTC 2025
;; MSG SIZE  rcvd: 451