DNS Report: joelonsoftware.com

Generated: 2026-08-09T07:15:15-05:00

68/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/302 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/204 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.
ERRORDMARC0/25DMARC policy not found.
ERRORDKIM0/20No tested DKIM selector responded.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5585 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.
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
199.16.172.204
199.16.173.181
AAAA
CNAME
MX
10 mxny1.fogcreek.com.
TXT
"v=spf1 mx mx:nsp11.fogcreek.com ip4:207.99.73.234 -all"
NS
ns2nsw.name.com.
ns3flt.name.com.
ns4hmp.name.com.
ns1mtw.name.com.
SOA
ns1.name.com. hostmaster.nsone.net. 1579060898 7200 3600 604800 300
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP