DNS Report: usps.com

Generated: 2026-08-08T20:02:42-05:00

77/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/202 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.
ERRORDKIM0/20No tested DKIM selector responded.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/55125 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers16/354 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: usps.com
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
56.0.134.100
AAAA
CNAME
MX
10 mxa-0038fd02.gslb.gpphosted.com.
10 mxb-0038fd02.gslb.gpphosted.com.
TXT
"google-site-verification=g8v2m4CGzjzeR7BlXEWdkPw_Vee3KLd5Msu1oxq9X4Y"
"MS=891EBC03C14DB5081F9801A66F922A606978EBD3"
"5gnbvs23tq9vmq20zmtgsydzs39qpksb"
"v=spf1 ip4:56.0.0.0/16 -all"
"t5cmxmtc9bsyn3lnh9cp61w7zl6p9dmh"
"apple-domain-verification=1mTpTvcYUbpLD2DCGn6S7e8E7GNEuCbLmsnOVoINlXk"
"xh9xzqypj83py3z3049hr39d5m75sffn"
"wbbcfpqr2lfkgls6hh8gtxrn3y16p7yx"
"U0S4P86940"
"MS=ms75843013"
"m8gzt1kxn0b8hm22m2154p7dgkwrqllc"
NS
dns141.usps.com.
dns082.usps.com.
SOA
dns141.usps.com. domainadmin.imail.usps.gov. 711473931 3600 1800 1209600 1800
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP