DNS Report: geogebra.org

Generated: 2026-08-09T04:43:30-05:00

80/100

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.
OKCAA policy5/5Certificate authority restriction.
ERRORDNS propagation0/10Agreement 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 certificate55/5573 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers12/353 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: server-54-192-100-116.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
54.192.100.116
54.192.100.23
54.192.100.128
54.192.100.49
AAAA
CNAME
MX
10 aspmx.l.google.com.
30 aspmx3.googlemail.com.
20 alt1.aspmx.l.google.com.
30 aspmx2.googlemail.com.
20 alt2.aspmx.l.google.com.
TXT
"MS=ms92504637"
"pwa-site-verification=RocOo-JshdrRAsxgwQBVQlyZmpjf_4V_kmwx-koNSdE="
"v=spf1 a include:spf.mailjet.com include:_spf.google.com include:mail.zendesk.com include:8994700.spf03.hubspotemail.net ip4:52.211.214.96 ip4:140.78.116.233 ip4:140.78.116.234 -all"
"atlassian-domain-verification=hVCRGjM2nyjtM2ihzsp8d/5iMeJYblf/ERARL9bQZtkDE46wGxIZ6EkZnERU/srE"
"google-site-verification=rXlByKov4KIo4v-tNYMA4-jj4KF5KIxu-Ab8-bnLD20"
"MS=ms75579110"
NS
ns-548.awsdns-04.net.
ns-380.awsdns-47.com.
ns-1082.awsdns-07.org.
ns-1933.awsdns-49.co.uk.
SOA
ns-1933.awsdns-49.co.uk. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
CAA
0 issue "amazon.com"
0 issuewild "amazon.com"
0 issue "letsencrypt.org"
0 issuewild "ssl.com"
0 issuewild "letsencrypt.org"
0 issue "ssl.com"
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP