DNS Report: r-project.org

Generated: 2026-08-08T22:04:11-05:00

73/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/205 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.
ERRORDKIM0/20No tested DKIM selector responded.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/55160 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: cran.wu-wien.ac.at
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
137.208.57.37
AAAA
CNAME
MX
0 rproject-org0c.mail.protection.outlook.com.
TXT
"MS=ms32736572"
"v=spf1 ip4:137.208.3.21 ip4:137.208.8.13 ip4:137.208.8.17 ip4:137.208.3.22 ip4:129.132.119.208 ip4:169.60.149.197 ip4:169.62.197.242 ip6:2607:f0d0:2701:195::7 ~all"
NS
ns2.wu-wien.ac.at.
ns2.urbanek.info.
ns1.wu-wien.ac.at.
ns3.urbanek.info.
ns1.urbanek.info.
SOA
ns0.wu-wien.ac.at. postmaster.wu-wien.ac.at. 2026042200 3600 1800 604800 3600
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP