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Example DNS Check

3 DNS records are failing.

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A Records 4

Name IP address
Failing typo.dnscheck.co 138.197.76.246
Passing *.dnscheck.co 138.197.76.247
Passing nyc1.dnscheck.co 104.131.72.189
Passing sfo2.dnscheck.co 143.198.237.244

A Record Load Balancers 2

Name IP addresses
Passing nameservers.dnscheck.co 138.197.76.247, 143.198.237.244, 52.48.61.155
Passing www.dnscheck.co 103.21.244.0/22, 103.22.200.0/22, 103.31.4.0/22, 104.16.0.0/13, 104.24.0.0/14, 108.162.192.0/18, 131.0.72.0/22, 141.101.64.0/18, 162.158.0.0/15, 172.64.0.0/13, 173.245.48.0/20, 188.114.96.0/20, 190.93.240.0/20, 197.234.240.0/22, 198.41.128.0/17

AAAA Records 3

Name IP address
Passing exists.dnscheck.co *
Passing nyc1.dnscheck.co 2604:a880:800:10::7a1:b001
Passing sfo2.dnscheck.co 2604:a880:4:1d0::4ef:2000

AAAA Record Load Balancers 2

Name IP addresses
Passing nameservers.dnscheck.co 2604:a880:800:10::7a1:b001, 2604:a880:4:1d0::4ef:2000
Passing www.dnscheck.co 2400:cb00::/32, 2606:4700::/32, 2803:f800::/32, 2405:b500::/32, 2405:8100::/32, 2a06:98c0::/29, 2c0f:f248::/32

ALIAS Records 2

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

CAA Records 1

Name Flag Tag Value
Passing dnscheck.co 0 issue "letsencrypt.org"

CNAME Records 5

Name Value
Failing no-such-record.dnscheck.co cdn.dnscheck.co
Passing ag32ck4il2mlq47iuqwh7ovhruoymren._domainkey.dnscheck.co ag32ck4il2mlq47iuqwh7ovhruoymren.dkim.amazonses.com
Passing e.dnscheck.co u2378289.wl040.sendgrid.net
Passing hvcm5smrbtxckgcthcikrzwhyjeijmkq._domainkey.dnscheck.co hvcm5smrbtxckgcthcikrzwhyjeijmkq.dkim.amazonses.com
Passing m7kcgxryy22ne3ivlnstjgwuuoy63wnj._domainkey.dnscheck.co m7kcgxryy22ne3ivlnstjgwuuoy63wnj.dkim.amazonses.com

CNAME Record Load Balancers 1

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

MX Records 3

Name Preference Exchange
Failing return.dnscheck.co 11 feedback-smtp.us-east-1.amazonses.com
Passing dnscheck.co 10 mail.protonmail.ch
Passing dnscheck.co 20 mailsec.protonmail.ch

NS Records 2

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

SOA Records 1

Name Name server Email Serial Refresh Retry Expire Minimum
Passing dnscheck.co chan.ns.cloudflare.com. dns.cloudflare.com. * 10000 2400 604800 1800

SPF Records 1

Name Value
Passing legacy.dnscheck.co "v=spf1 include:amazonses.com include:_spf.protonmail.ch ip4:104.131.72.189 include:sendgrid.net ~all"

SRV Records 1

Name Priority Weight Port Target
Passing _autodiscover._tcp.dnscheck.co 0 0 443 autodiscover.dnscheck.co

TXT Records 5

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

Reverse DNS (PTR) Records 2

IP address Value
Passing 2604:a880:4:1d0::4ef:2000 sfo2.dnscheck.co
Passing 143.198.237.244 sfo2.dnscheck.co