DNS Report: speakerdeck.com

Generated: 2026-08-08T23:06:40-05:00

82/100

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 records20/205 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 certificate55/5572 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers19/355 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
172.66.158.156
104.20.28.181
AAAA
2606:4700:10::ac42:9e9c
2606:4700:10::6814:1cb5
CNAME
MX
1 aspmx.l.google.com.
10 aspmx3.googlemail.com.
10 aspmx2.googlemail.com.
5 alt2.aspmx.l.google.com.
5 alt1.aspmx.l.google.com.
TXT
"v=spf1 include:mailgun.org ~all"
"ALIAS for speakerdeck.com.herokudns.com"
"google-site-verification=3ggCXuHu3Wkywh0QJ4MVBy9jz0MMfAEVJGNVQP56eyY"
"facebook-domain-verification=5rzw9hjdxxzobpi4p6lk9tlvpldfej"
"stripe-verification=51e5bf1257eaab3496a4c15cdce19f2c27d591dd7d87097e936b1fbc2e84a855"
"google-site-verification=U0zznvYUS5x_csx7-HqM5TJh-EGrTvjQOR7wCPGyv74"
NS
nola.ns.cloudflare.com.
john.ns.cloudflare.com.
SOA
john.ns.cloudflare.com. dns.cloudflare.com. 2410900720 10000 2400 604800 1800
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP