DNS Report: 37signals.com

Generated: 2026-08-09T17:50:18-05:00

77/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/302 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.
OKCAA policy5/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/201 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 certificate55/5569 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
104.18.1.135
104.18.0.135
AAAA
CNAME
MX
10 work-mx.app.hey.com.
TXT
"v=spf1 include:_spf.basecamp.com include:servers.mcsv.net -all"
"stripe-verification=F970494BA4495175BB0BBBBBB611C2410B599753DB459B0B27676C72D5A688A6"
"8x2rys9qrtmrt08s01k2dhf220y0bc3h"
"anthropic-domain-verification-2ned89=7e1u02UWpXxRVFbqXvTepQODa"
"atlassian-domain-verification=jDcnbDUp4Eqr8vcG6rwzJC/AiL4ryyQCoTDiAKjKnP7rzlvnA4akV4QxvGnUaMS8"
"google-site-verification=75SnvFixCmuTIw1yttct06G6Mk7vGOqJDKqVd4sD66g"
"google-site-verification=vPyWJnzga2ciedbmL9z3PaMMS7gMZba_d4KE-GXzcUI"
"hey-verification:wvrWxEPH2vgJ5hJp8cjdWfZx"
"apple-domain-verification=fZq9u43pq901FVrX"
"openai-domain-verification=dv-brKIWqu5JEkAoXYjfCz66ucV"
"ZOOM_verify_3PsRA01tPEqbRQuZq0ovDX"
NS
serena.ns.cloudflare.com.
merlin.ns.cloudflare.com.
SOA
merlin.ns.cloudflare.com. dns.cloudflare.com. 2411395822 10000 2400 604800 60
CAA
0 issue "digicert.com; cansignhttpexchanges=yes"
0 issue "amazon.com"
0 issuewild "ssl.com"
0 issuewild "letsencrypt.org"
0 issue "letsencrypt.org"
0 issuewild "comodoca.com"
0 issue "globalsign.com"
0 issue "ssl.com"
0 issuewild "pki.goog; cansignhttpexchanges=yes"
0 issue "pki.goog; cansignhttpexchanges=yes"
0 issue "comodoca.com"
0 iodef "mailto:sysadmins@37signals.com"
0 issuewild "digicert.com; cansignhttpexchanges=yes"
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP