DNS Report: cdlib.org

Generated: 2026-08-09T15:55:16-05:00

84/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/304 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.
ERRORDNS propagation0/10Agreement 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 certificate55/55216 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers31/358 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: server-108-157-150-53.mci50.r.cloudfront.net
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
108.157.150.53
108.157.150.129
108.157.150.41
108.157.150.122
AAAA
CNAME
MX
0 cdlib-org.mail.protection.outlook.com.
TXT
"v=spf1 include:spf.protection.outlook.com include:spf-na.exlibrisgroup.com include:_spf-amer.onbmc.com include:mailcontrol.com -all"
"dtm-domain-verification=gQo3a74HSN8IGSpHnf395SOW57cvm42lF8Hmp7SXLa0"
NS
ns-1574.awsdns-04.co.uk.
ns-378.awsdns-47.com.
ns-1175.awsdns-18.org.
ns-937.awsdns-53.net.
SOA
ns-1175.awsdns-18.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP