DNS Report: nagios.org

Generated: 2026-08-10T05:37:50-05:00

77/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 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 records20/201 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 certificate55/5562 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
ERRORHTTP security headers0/350 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: 45-79-21-111.ip.linodeusercontent.com
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA 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
45.79.21.111
AAAA
CNAME
MX
0 nagios-org.mail.protection.outlook.com.
TXT
"pardot975333=4238db43eaa7ad5824c795ab7d5213d83fbb98ad6520675e1edd818709d59e6b"
"google-site-verification=a3i3pt__lEaEwHT_uu6JztSOAjv0rOLoPonaHHePmu4"
"MS=ms27324566"
"v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com include:cust-spf.exacttarget.com include:spf.mailanyone.net a:nagios.org include:electric.net ~all"
"MS=ms84415707"
NS
greg.ns.cloudflare.com.
pearl.ns.cloudflare.com.
SOA
greg.ns.cloudflare.com. dns.cloudflare.com. 2411612825 10000 2400 604800 1800
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP