DNS Report: rr.com

Generated: 2026-08-09T09:48:27-05:00

46/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/302 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 records20/202 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.
ERRORValid TLS certificate0/55No valid certificate was retrieved.
ERRORCertificate lifetime0/10Full points require at least 30 days remaining.
ERRORHTTP security headers0/350 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: syn-071-074-180-193.res.spectrum.com
OKIPv4 diversity35/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
ERRORHTTP response0/40No successful HTTP response.
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
71.74.180.193
71.74.186.228
AAAA
CNAME
MX
5 cdptpa-postmx01.email.rr.com.
5 dnvrco-postmx01.email.rr.com.
TXT
"v=spf1 ip4:24.30.203.0/24 ip4:24.28.200.0/24 ip4:24.28.204.0/24 ip4:24.30.218.0/24 ip4:75.180.132.0/24 ip4:71.74.56.0/24 ip4:107.14.166.0/24 ip4:107.14.73.0/24 +mx ~all"
NS
dns6.rr.com.
dns2.rr.com.
dns1.rr.com.
dns3.rr.com.
dns5.rr.com.
SOA
dns1.rr.com. hostmaster.charter.com. 2025060044 43200 3600 2419200 3600
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP