~/d/heroku.com
// heroku.com
Live audit across 8 checks. Cached 24h · generated less than a minute ago.
domain_grade
A
strong
92
/ 100 · across 8 checks
// points lost on:
spf −5
dnssec −3
SSL Certificate
[ OK ]
Valid for 42 more days.
Issued by E7 · 42 days left · TLSv1.3
DMARC Policy
[ OK ]
Strict DMARC policy enforced. Spoofed mail is rejected.
v=DMARC1;p=reject;fo=1:d:s;pct=100;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected]
SPF Record
[ WARN ]
Soft fail (~all). Unauthorized senders flagged but not rejected. Consider -all for stronger protection.
4 lookups · all=~all
MX Records
[ OK ]
MX configured (2 record(s)).
10 mxb-00177002.gslb.pphosted.com · 10 mxa-00177002.gslb.pphosted.com
Name Servers
[ OK ]
8 authoritative nameservers
dns1.p01.nsone.net · dns2.p01.nsone.net · dns3.p01.nsone.net
WHOIS
[ OK ]
Valid for 420 more days.
Registrar: MarkMonitor Inc. · expires 2027-06-15
Security Headers
[ OK ]
Strong security headers (80/100) — weak: content-security-policy.
Score 80/100
[ embed_grade_badge ]
Domain grade: A — strong
markdown (github readme)
[](https://dombrains.com/d/heroku.com)
html (any webpage)
<a href="https://dombrains.com/d/heroku.com"><img src="https://dombrains.com/badge/heroku.com/grade.svg" alt="DomBrains grade: A"></a>
// re-queries our scoring engine · cached 1h at the edge · backlinks to this profile page
[ per_check_badges ]
<img src="https://dombrains.com/badge/heroku.com/ssl">
<img src="https://dombrains.com/badge/heroku.com/dmarc">
<img src="https://dombrains.com/badge/heroku.com/spf">
<img src="https://dombrains.com/badge/heroku.com/mx">
<img src="https://dombrains.com/badge/heroku.com/dnssec">
<img src="https://dombrains.com/badge/heroku.com/security_headers">