Domain check
Running TLS, DMARC, BIMI, DNS, headers, and MTA-STS checks in parallel...
TLS / SSL
checking...
DMARC
checking...
BIMI
checking...
DNS health
checking...
Headers
checking...
MTA-STS
checking...
Subdomains
checking...
Domain check
Running TLS, DMARC, BIMI, DNS, headers, and MTA-STS checks in parallel...
TLS / SSL
DMARC
BIMI
DNS health
Headers
MTA-STS
Subdomains
Domain check
6 sections checked · TLS 167ms · DMARC 28ms · BIMI 44ms · DNS 691ms · Headers 125ms · MTA-STS 21ms
TLS check for
Checked 5/14/2026, 10:49:12 PM · 167ms
Excellent: TLS 1.3, valid cert, HSTS preload set.
84d until expiry
Subject Alternative Names (4)
Or share this URL with the team that owns the records.
Headers
CN=calendly.com
issued by CN=E7, O=Let's Encrypt, C=US
CN=E7, O=Let's Encrypt, C=US
issued by CN=ISRG Root X1, O=Internet Security Research Group, C=US
CN=ISRG Root X1, O=Internet Security Research Group, C=US
issued by CN=ISRG Root X1, O=Internet Security Research Group, C=US
Negotiated: TLSv1.3 · TLS_AES_256_GCM_SHA384 (TLSv1.3)
TLSv1
Not supported
not supportedTLSv1.1
Not supported
not supportedTLSv1.2
Supported
TLSv1.3
Supported
AI-assisted remediation
Wiredepth Pro sends this report to our AI engine and streams back a 30-day rollout plan tailored to calendly.com, with provider-specific tips when we can infer them from the data. 10 playbooks per month on Pro, 100 on MSP.
DMARC check for
Checked 5/14/2026, 10:49:12 PM · 28ms
Functional: p=quarantine. Reject when ready.
v=DMARC1; p=quarantine; rua=mailto:[email protected]
Found on the apex domain.
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:_spf.google.com include:mktomail.com ~allAI-assisted remediation
Wiredepth Pro sends this report to our AI engine and streams back a 30-day rollout plan tailored to calendly.com, with provider-specific tips when we can infer them from the data. 10 playbooks per month on Pro, 100 on MSP.
BIMI check for
Checked 5/14/2026, 10:49:12 PM · 44ms
Logo + VMC + DMARC quarantine/reject. Most BIMI receivers will display.
looked up: default._bimi.calendly.com
v=BIMI1; l=https://amplify.valimail.com/bimi/calendly/V-5HBB3zKR3-calendly_llc_1321603262.svg; a=https://amplify.valimail.com/bimi/calendly/V-5HBB3zKR3-calendly_llc_1321603262.pem
https://amplify.valimail.com/bimi/calendly/V-5HBB3zKR3-calendly_llc_1321603262.svg
https://amplify.valimail.com/bimi/calendly/V-5HBB3zKR3-calendly_llc_1321603262.pem
BIMI requires DMARC p=quarantine or p=reject with pct=100. Currently: policy quarantine, pct 100.
AI-assisted remediation
Wiredepth Pro sends this report to our AI engine and streams back a 30-day rollout plan tailored to calendly.com, with provider-specific tips when we can infer them from the data. 10 playbooks per month on Pro, 100 on MSP.
DNS health for
Checked 5/14/2026, 10:49:12 PM · 691ms
Excellent: DNSSEC + CAA + healthy registration + clean.
checked IP: 192.178.131.26 (MX aspmx.l.google.com), 172.253.147.27 (MX alt1.aspmx.l.google.com), 192.178.218.27 (MX alt2.aspmx.l.google.com)
Domain intel on calendly.com
✓ Malware / phishing intel: clean
Domain is not on any malware-distribution feed we track.
✓ Active threat intel: clean
No active C2 / botnet IOCs against this domain.
Registered 2013-02-26 - established
Established domains rarely host phishing infrastructure.
AI-assisted remediation
Wiredepth Pro sends this report to our AI engine and streams back a 30-day rollout plan tailored to calendly.com, with provider-specific tips when we can infer them from the data. 10 playbooks per month on Pro, 100 on MSP.
Security headers for
https://calendly.com/ · status 200 · checked 5/14/2026, 10:49:12 PM · 125ms
Major gaps in defensive headers.
max-age=31536000; includeSubDomains; preload
nosniff
same-origin
add_header Content-Security-Policy "default-src 'self'; object-src 'none'; base-uri 'self'; frame-ancestors 'none'" always; # Tight starting policy. Iterate by inspecting CSP-Report-Only violations on a staging branch first. add_header X-Frame-Options DENY always; # Backstop for older browsers; CSP frame-ancestors handles modern ones. add_header Referrer-Policy strict-origin-when-cross-origin always; add_header Permissions-Policy "camera=(), microphone=(), geolocation=(), interest-cohort=()" always; # Disables features you almost certainly do not need. Add features back inside the parens if your site does need them.
AI-assisted remediation
Wiredepth Pro sends this report to our AI engine and streams back a 30-day rollout plan tailored to calendly.com, with provider-specific tips when we can infer them from the data. 10 playbooks per month on Pro, 100 on MSP.
MTA-STS + TLS-RPT for
Checked 5/14/2026, 10:49:12 PM · 21ms
No MTA-STS at all. Mail in transit is not enforced.
looked up: _mta-sts.calendly.com
https://mta-sts.calendly.com/.well-known/mta-sts.txt
No TLS-RPT record found. Without it, you do not learn when receivers fail to enforce STS against your domain.
for calendly.com
The id is an opaque string. Bump it whenever you change the policy file, otherwise receivers will keep using the cached version.
_mta-stsv=STSv1; id=20260514224912TLS-RPT lets receivers send you JSON reports when STS / DANE fails. Point the rua at a mailbox you actually monitor.
_smtp._tlsv=TLSRPTv1; rua=mailto:[email protected]Host the file below at https://mta-sts.calendly.com/.well-known/mta-sts.txt with a trusted TLS cert (no self-signed). Replace the mx: line(s) with each of your real mail servers. Start with mode: testing to collect TLS-RPT failure reports before raising to mode: enforce.
version: STSv1 mode: testing mx: mail.calendly.com max_age: 86400
Cloudflare Workers, Pages, or any static host with HTTPS can serve this. The well-known path needs a Content-Type of text/plain.
AI-assisted remediation
Wiredepth Pro sends this report to our AI engine and streams back a 30-day rollout plan tailored to calendly.com, with provider-specific tips when we can infer them from the data. 10 playbooks per month on Pro, 100 on MSP.