DNS Report: citymapper.com

Generated: 2026-08-11T06:11:41-05:00

76/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/304 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 records20/205 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 certificate55/5563 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
ERRORHTTP security headers0/350 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
OKIPv4 diversity35/35Two 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
141.101.90.107
141.101.90.104
141.101.90.105
141.101.90.106
AAAA
CNAME
MX
5 alt1.aspmx.l.google.com.
10 aspmx3.googlemail.com.
10 aspmx2.googlemail.com.
5 alt2.aspmx.l.google.com.
1 aspmx.l.google.com.
TXT
"v=spf1 include:servers.mcsv.net include:spf.mandrillapp.com include:sendgrid.net ?all"
"proxy-ssl.webflow.com"
"google-site-verification:p82kWE6lr2VsjUOfcXW37mRwWEdxQ7TshXRBmWO9MqY"
"google-site-verification=nhEFDTRdwafau1QOUf9P7ZerMZ3M8sVFhQiGaBdh55I"
NS
ns-478.awsdns-59.com.
ns-1205.awsdns-22.org.
ns-577.awsdns-08.net.
ns-1854.awsdns-39.co.uk.
SOA
ns-1205.awsdns-22.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP