DNS Report: usenix.org

Generated: 2026-08-09T00:51:36-05:00

85/100

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.
OKDKIM20/20A DKIM selector was verified.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5542 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers16/354 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
172.67.159.52
104.21.9.67
AAAA
2606:4700:3031::ac43:9f34
2606:4700:3031::6815:943
CNAME
MX
5 alt2.aspmx.l.google.com.
5 alt1.aspmx.l.google.com.
1 aspmx.l.google.com.
5 aspmx2.googlemail.com.
10 aspmx3.googlemail.com.
TXT
"google-site-verification=NWZh1b4m1muqzcGTUY41ERnLVVU1U0nU1knFu0v-Y5g"
"MS=ms35918051"
"facebook-domain-verification=k4ln5v10rpbl30ycqf3adsmx5wdxer"
"apple-domain-verification=pMupuJTB7hD1o7CP"
"sophos-domain-verification=a57c5be5f56331d9aa0762c379ced2559c2ab6e13189020ae0cd573e06a9ea90"
"1password-site-verification=A4FZ5FEBIBGCJIZETBURXRBIF4"
"v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all"
"MS=1C9777014BBA1311A8D73006D88E8171BD2C45F1"
"jamf-site-verification=9jpXV9Kj0zUc4Hmh7xQhBA"
"MS=ms74434625"
NS
duke.ns.cloudflare.com.
amalia.ns.cloudflare.com.
SOA
amalia.ns.cloudflare.com. dns.cloudflare.com. 2411194610 10000 2400 604800 1800
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP