DNS Report: century21.com

Generated: 2026-08-11T10:20:51-05:00

71/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/302 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 certificate55/55120 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: ec2-3-151-147-183.us-east-2.compute.amazonaws.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 response0/40HTTP/2 403
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
3.151.147.183
3.12.225.253
AAAA
CNAME
MX
10 usb-smtp-inbound-1.mimecast.com.
10 usb-smtp-inbound-2.mimecast.com.
TXT
"xtfzlzs4srq28jg4gk4km1j648xjxnvt"
"monday-com-verification=Vzp9M9wkXo140C0DRYV7ojmHp1rlhcE3dD23D45ox_s"
"_globalsign-domain-verification=6GywlC8PVV6mLfL6ToMeVqCDeqFk9IDu2uEqmYPqx3"
"v=spf1 include:spf.anywhere.re ~all"
"tjng5q051jrp6tkbptv7m6qvyl9rtntw"
"pardot1074273=d10fe431a3ffae55d8cad8645a55abfda9ce49ce739f57d7e5548e6b15efcd79"
"facebook-domain-verification=p4r7ai7hqlnbzcott0uq5nrayy9yec"
"e80af3bf63eb43f0a51118582eb565fe"
"pardot1074273=69a25332aabd2241ffd148220644eb8a26a8c22e84025481d5cf9df3741b5d85"
"nQAI9/Mf/i7rU4sGIqrWfd9I7TXQgwhQa87qWZI+4pUNTHHJuZ/gX1ZqlWfAYhCnWLGWOOp0Fg1lSVIECsPiUQ=="
"google-site-verification=eC1QkIUk7oA0XpNCnb-3y0Dpua1xTDg1HtGv5D_wM-w"
"pardot1074273=2b82518acdd71c332feed0ceaeadc1c2be67b4510570237c0f823db87e4d10b2"
"pardot1074273=e8573c2e3702fa43c3ffc84b6a2c8c4fa5589037fd9cddd21ea8f7a618829080"
"mcfc2lrx5l41lh272qfv6nv8w8h3514r"
"atlassian-domain-verification=VU7xgQiZZa3avZ4LTJOsUdMn6RqZi0eGbU3Dk4MSPmi12S6yFEvEh/I8tLFNxlcr"
NS
ns-1874.awsdns-42.co.uk.
ns-387.awsdns-48.com.
ns-1443.awsdns-52.org.
ns-629.awsdns-14.net.
SOA
ns-1443.awsdns-52.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP