DNS Report: nrdc.org

Generated: 2026-08-08T23:29:00-05:00

78/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 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 records20/202 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 certificate55/5547 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
OKHTTP security headers35/359 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: 172-104-26-72.ip.linodeusercontent.com
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
ERRORHTTP response0/40HTTP/2 403
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
172.104.26.72
AAAA
CNAME
MX
10 mxb-0030d801.gslb.pphosted.com.
10 mxa-0030d801.gslb.pphosted.com.
TXT
"google-site-verification=zrhr9nQnHuMhostFkDekqBzebjI3L_0x7hcKLpbs0kw"
"pexip-ms-tenant-domain-verification=dc2c0cca-0666-451f-bbe0-001aa984617d"
"docusign=64d531ea-6334-42a0-9208-bbf4a8b0bf9a"
"ciscocidomainverification=616ed4ff71808abf72d6167da65a9e3df85155f6d1101adf7360fec0883883d2"
"apple-domain-verification=8MFTcrXRWQIWYOig"
"google-site-verification=gc_l4pkaXkT_GbFvYvA2z1TQs1LgMFaPFdJP-bqdfrY"
"v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all"
"795981589-23226688"
"g5/aA3/CpAYFd1PtcJMCh+/M0fex9tqF9UxJv7TMt608PM6c8Y+wTpd58rJxPvN50X4WpYSC7j1pl6uEGNgD2Q=="
NS
ns1-02.azure-dns.com.
ns4-02.azure-dns.info.
ns2-02.azure-dns.net.
ns3-02.azure-dns.org.
SOA
ns1-02.azure-dns.com. azuredns-hostmaster.microsoft.com. 1 3600 300 2419200 300
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP