DNS Report: mastercard.us

Generated: 2026-08-09T09:13:46-05:00

63/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/206 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 records20/202 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 certificate55/55184 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers4/351 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: a23-61-172-179.deploy.static.akamaitechnologies.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
23.61.172.179
AAAA
CNAME
MX
10 mail.global.frontbridge.com.
5 mail.global.frontbridge.com.
TXT
"v=spf1 include:deliverygateways.mastercard.com ~all"
"facebook-domain-verification=imogw3cbr56zmxcxlmgw1dbg6sk05p"
"8045-3EBB-B5FC-AEF3-14D1-AC67-1088-D900"
NS
a9-64.akam.net.
a26-66.akam.net.
a1-29.akam.net.
a18-64.akam.net.
a7-67.akam.net.
a22-65.akam.net.
SOA
dns2.mastercard.com. hostmaster.mastercard.com. 2011091862 14400 3600 2419200 300
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP