IPv4 Addresses
TTL
hackerrank.com. 60 IN A 44.208.130.26 hackerrank.com. 60 IN A 52.3.48.61 hackerrank.com. 60 IN A 54.163.221.68 hackerrank.com. 60 IN A 54.84.24.80
Name Servers
TTL
NS
AWS Route53
1d
NS
AWS Route53
1d
NS
AWS Route53
1d
NS
AWS Route53
1d
hackerrank.com. 86400 IN NS ns-1314.awsdns-36.org. hackerrank.com. 86400 IN NS ns-1691.awsdns-19.co.uk. hackerrank.com. 86400 IN NS ns-431.awsdns-53.com. hackerrank.com. 86400 IN NS ns-525.awsdns-01.net.
Mail Servers
TTL
MX
Mimecast
10
1m
MX
Mimecast
10
1m
hackerrank.com. 60 IN MX 10 usb-smtp-inbound-1.mimecast.com. hackerrank.com. 60 IN MX 10 usb-smtp-inbound-2.mimecast.com.
SOA Details
TTL
SOA
Primary NS
Responsible
awsdns-hostmaster.amazon.com
0m
Serial
1
0m
Times
Refresh
2h
Retry
15m
Expire
14d
Minimum TTL
1d
hackerrank.com. 900 IN SOA ns-431.awsdns-53.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
DMARC
TTL
DMARC
Policy
quarantine
5m
Subdomain Policy
none
0m
Percentage
100
0m
RUA
RUF
hackerrank.com. 300 IN DMARC v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; aspf=r;
Certificate Authority Authorization
TTL
CAA
—
5m
CAA
DigiCert
5m
CAA
Amazon Trust
5m
CAA
Let's Encrypt
5m
CAA
Google Trust
5m
CAA
Sectigo
5m
CAA
Symantec
5m
hackerrank.com. 300 IN CAA 0 iodef "mailto:[email protected]" hackerrank.com. 300 IN CAA 0 issue "Digicert.com" hackerrank.com. 300 IN CAA 0 issue "amazon.com" hackerrank.com. 300 IN CAA 0 issue "letsencrypt.org" hackerrank.com. 300 IN CAA 0 issue "pki.goog" hackerrank.com. 300 IN CAA 0 issue "sectigo.com" hackerrank.com. 300 IN CAA 0 issue "symantec.com"