Example DNS Check

1 DNS record is failing.

This example report shows how DNS Check presents its test results. Records that pass their checks appear in green, and those that fail appear in red.

Examples of each supported DNS record type appear below.

Click on a DNS record's icon to recheck the record, view a details page, or view its history.

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A Records

Name IP address

A Record Load Balancers

Name IP addresses

AAAA Records

Name IP address
nyc1.dnscheck.co 2604:a880:800:10::7a1:b001
sfo1.dnscheck.co 2604:a880:1:20::51:c001

AAAA Record Load Balancers

Name IP addresses
nameservers.dnscheck.co 2604:a880:800:10::7a1:b001, 2604:a880:1:20::51:c001

ALIAS Records

Name Type Value
www.dnscheck.co AAAA cdn.dnscheck.co
www.dnscheck.co A cdn.dnscheck.co

CNAME Records

Name Value
ag32ck4il2mlq47iuqwh7ovhruoymren._domainkey.dnscheck.co ag32ck4il2mlq47iuqwh7ovhruoymren.dkim.amazonses.com
e.dnscheck.co u2378289.wl040.sendgrid.net
hvcm5smrbtxckgcthcikrzwhyjeijmkq._domainkey.dnscheck.co hvcm5smrbtxckgcthcikrzwhyjeijmkq.dkim.amazonses.com
m7kcgxryy22ne3ivlnstjgwuuoy63wnj._domainkey.dnscheck.co m7kcgxryy22ne3ivlnstjgwuuoy63wnj.dkim.amazonses.com

CNAME Record Load Balancers

Name Values
images.dnscheck.co cdn.dnscheck.co, cdn.windserve.com

MX Records

Name Preference Exchange
dnscheck.co 10 mail.protonmail.ch
dnscheck.co 20 mailsec.protonmail.ch
return.dnscheck.co 10 feedback-smtp.us-east-1.amazonses.com

NS Records

Name Value
dnscheck.co chan.ns.cloudflare.com
dnscheck.co guy.ns.cloudflare.com

SRV Records

Name Priority Weight Port Target
_x-puppet._tcp.dnscheck.co 10 5 8140 master-a.dnscheck.co

SPF Records

Name Value
legacy.dnscheck.co "v=spf1 include:amazonses.com include:_spf.protonmail.ch ip4: include:sendgrid.net ~all"

TXT Records

Name Value
_amazonses.dnscheck.co "yAbMEC/HCY7VBhG2KA4cBwQ2I+T7raTN3o5XnMKxOd8="
_dmarc.dnscheck.co "v=DMARC1; p=none; rua=mailto:[email protected]; fo=1;"
dnscheck.co "protonmail-verification=c10b6ca0064c1954c2cac6da0cded6be0d20d607"
dnscheck.co "v=spf1 include:amazonses.com include:_spf.protonmail.ch ip4: include:sendgrid.net ~all"
return.dnscheck.co "v=spf1 include:amazonses.com ~all"

Reverse DNS (PTR) Records

IP address Value
2604:a880:0800:0010:0000:0000:07a1:b001 nyc1.dnscheck.co ireland1.dnscheck.co nyc1.dnscheck.co