not receiving emails.

[kus...@kdandco.in]

{
  "Status": 3,
  "TC": false,
  "RD": true,
  "RA": true,
  "AD": false,
  "CD": false,
  "Question": [
    {
      "name": "kdandco.in.",
      "type": 1
    }
  ],
  "Authority": [
    {
      "name": "in.",
      "type": 6,
      "TTL": 899,
      "data": "ns1.neustar.in. hostmaster.neustar.in. 1573116461 1800 300 1814400 1800"
    }
  ],
  "Comment": "Response from 2001:dcd:1::12."
}

[Andrzej Swietek]

You don’t have NS and MX records

andrzejs-air:~ andrzej$ dig kdandco.in mx

; <<>> DiG 9.10.6 <<>> kdandco.in mx
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 58749
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;kdandco.in. IN MX

;; AUTHORITY SECTION:
in. 895 IN SOA ns1.neustar.in. hostmaster.neustar.in. 1573133002 1800 300 1814400 1800

;; Query time: 27 msec
;; SERVER: 192.168.1.1#53(192.168.1.1)
;; WHEN: Thu Nov 07 14:25:44 CET 2019
;; MSG SIZE  rcvd: 98

andrzejs-air:~ andrzej$ dig kdandco.in ns

; <<>> DiG 9.10.6 <<>> kdandco.in ns
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 2254
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;kdandco.in. IN NS

;; AUTHORITY SECTION:
in. 887 IN SOA ns1.neustar.in. hostmaster.neustar.in. 1573133002 1800 300 1814400 1800

;; Query time: 34 msec
;; SERVER: 192.168.1.1#53(192.168.1.1)
;; WHEN: Thu Nov 07 14:25:52 CET 2019

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[Alex Dupuy]

When the .IN TLD is returning NXDOMAIN ("Status": 3) for your domain, it usually means that you forgot to renew your registration, or that you typo'd the domain name when testing.