DNS Report: buttondown.com

Generated: 2026-08-11T08:36:31-05:00

78/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/302 IPv4 address(es) detected.
OKIPv6 (AAAA)10/102 IPv6 address(es) detected.
OKName server redundancy20/202 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
ERRORDNSSEC chain0/15Both DS and DNSKEY are required.
ERRORCAA policy0/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/203 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
ERRORDKIM0/20No tested DKIM selector responded.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5569 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers4/351 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
OKIPv4 diversity35/35Two or more IPv4 addresses receive full points.
OKIPv6 connectivity35/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
OKHTTP response40/40HTTP/2 200
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
104.21.79.144
172.67.146.70
AAAA
2606:4700:3033::ac43:9246
2606:4700:3035::6815:4f90
CNAME
MX
90 route2.mx.cloudflare.net.
65 route1.mx.cloudflare.net.
19 route3.mx.cloudflare.net.
TXT
"1password-site-verification=EQ3GSAPOMJFDPOWBC4AVB5JSUI"
"google-site-verification=2kAEIWWb-UQgwnEtpH9w3Ij1Fs_poH7SjjTyQqoGX14"
"v=spf1 include:_spf.mx.cloudflare.net ~all"
NS
joan.ns.cloudflare.com.
moura.ns.cloudflare.com.
SOA
joan.ns.cloudflare.com. dns.cloudflare.com. 2411876776 10000 2400 604800 1800
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP