DNS Report: esl.com

Generated: 2026-08-10T15:58:19-05:00

82/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/302 IPv4 address(es) detected.
OKIPv6 (AAAA)10/102 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.
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.
WARNINGHTTP security headers4/351 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
OKIPv4 diversity35/35Two or more IPv4 addresses receive full points.
OKIPv6 connectivity35/35AAAA 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
172.67.147.18
104.21.10.242
AAAA
2606:4700:3033::6815:af2
2606:4700:3030::ac43:9312
CNAME
MX
5 mxb.global.inbound.cf-emailsecurity.net.
1 mxa.global.inbound.cf-emailsecurity.net.
TXT
"v=spf1 include:_u.esl.com._spf.smart.ondmarc.com include:mail.zendesk.com ~all"
"google-site-verification=2xPkDMZcRlBLh4C8T60jEAFvEO4cQziLxJbv0_U2ORM"
"google-site-verification=P6BPSRRX8fhSqfO2Fctn14HuSIvNsRb4OjaEtd35K20"
"ca3-173617b80ee244229b789a1d83b9c0f2"
"google-site-verification=lOEOd9LzDVnb6OmVsCONSchumaeLIN0nrhYk4IpPQA4"
NS
yadiel.ns.cloudflare.com.
ursula.ns.cloudflare.com.
SOA
ursula.ns.cloudflare.com. dns.cloudflare.com. 2411093103 10000 2400 604800 1800
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP