~/d/tesco.com
// tesco.com
Live audit across 8 checks. Cached 24h · generated less than a minute ago.
domain_grade
A
strong
85
/ 100 · across 8 checks
// points lost on:
security headers −12
dnssec −3
SSL Certificate
[ OK ]
Valid for 331 more days.
Issued by Sectigo Public Server Authentication CA EV R36 · 331 days left · TLSv1.3
DMARC Policy
[ OK ]
Strict DMARC policy enforced. Spoofed mail is rejected.
v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected]
SPF Record
[ OK ]
Strict SPF (-all). Unauthorized senders are rejected.
5 lookups · all=-all
MX Records
[ OK ]
MX configured (2 record(s)).
10 mxa-00492d01.gslb.pphosted.com · 10 mxb-00492d01.gslb.pphosted.com
Name Servers
[ OK ]
8 authoritative nameservers
ns12.ultradns2.com · ns12.ultradns2.org · pdns194.ultradns.biz
WHOIS
[ OK ]
Valid for 607 more days.
Registrar: MarkMonitor Inc. · expires 2027-12-19
Security Headers
[ CRIT ]
Weak security posture (0/100) — missing: HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy
Score 0/100
[ embed_grade_badge ]
Domain grade: A — strong
markdown (github readme)
[](https://dombrains.com/d/tesco.com)
html (any webpage)
<a href="https://dombrains.com/d/tesco.com"><img src="https://dombrains.com/badge/tesco.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/tesco.com/ssl">
<img src="https://dombrains.com/badge/tesco.com/dmarc">
<img src="https://dombrains.com/badge/tesco.com/spf">
<img src="https://dombrains.com/badge/tesco.com/mx">
<img src="https://dombrains.com/badge/tesco.com/dnssec">
<img src="https://dombrains.com/badge/tesco.com/security_headers">