B2B clients notice SSL failures
during security reviews, not after.
B2B clients run security reviews, vendor audits, and procurement checks that include SSL certificate inspection. A wildcard certificate expiring across client subdomains, a CRM integration subdomain with a broken DNS delegation, or a sales pipeline page returning a browser warning during a prospect's due diligence all reflect on the agency. B2B infrastructure failures cost more than a client call.
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- Check cadence (Agency)
- 5 min
- SSL pre-expiry alert
- 30 days
- Vendors watched
- 11
- Independent DNS resolvers
- 3
Where B2B agencies get caught out
Three failure modes specific to B2B client portfolios.
B2B agency work carries a higher trust cost per incident than consumer work. Client-facing portals, sales pipeline infrastructure, and CRM integrations are part of the client's revenue operations — and SSL failures in that infrastructure surface in the worst possible contexts.
Wildcard SSL expiry
A wildcard certificate expiry takes all client subdomains offline at once
B2B agencies frequently use wildcard SSL certificates to cover client-facing portals, login pages, and API subdomains under a single certificate. When a wildcard certificate expires, every subdomain it covers shows a browser security warning simultaneously. The client-facing portal, the demo environment, and the reporting dashboard all fail at once. A 30-day expiry alert is the difference between a planned renewal and an emergency.
CRM subdomain delegation drift
HubSpot and Salesforce form subdomains break after IT changes
B2B clients often run custom domains for HubSpot forms (forms.clientdomain.com), Salesforce community portals, or marketing automation landing pages that are set up via CNAME delegation to the CRM provider's CDN. When the client's IT team changes DNS providers, migrates mail hosting, or updates nameservers for unrelated reasons, those CNAME records are frequently missing from the new configuration. The integration breaks silently.
Enterprise security audit exposure
Expired or misconfigured SSL is flagged in vendor security reviews
Enterprise B2B clients conduct vendor security reviews that include checking SSL certificate validity, certificate authority trust, and certificate expiry timelines. An agency-managed site with a certificate expiring in less than 30 days, a broken certificate chain, or a mismatched domain SAN will be flagged. These findings can delay procurement, trigger contract review, or require remediation documentation — all at the agency.
How it works
Full-stack monitoring for B2B client infrastructure.
Merlonix is designed for agencies managing client portfolios with complex subdomain configurations and CRM integrations — one account, every domain and subdomain, one alert flow that gives you time to act.
01
Add client primary domains and subdomains
Verify ownership with a DNS TXT record — works for primary domains, client portal subdomains, CRM integration subdomains, and wildcard certificate coverage domains. One verification per apex domain. Takes under two minutes per client.
02
Full SSL chain validation with 30-day expiry lead time
Merlonix validates the complete certificate chain on every check interval — expiry date, issuer, chain completeness, domain match, and SAN coverage. Wildcard certificate expiry fires 30 days ahead. Broken certificate chains, issuer changes, and SAN drift alert immediately.
03
CRM subdomain CNAME integrity monitored continuously
Three independent DNS resolvers verify every CNAME, A record, and NS record on every check interval. When a client's IT migration breaks the HubSpot or Salesforce CNAME delegation, the alert fires within minutes — before any prospect notices the form is broken.
04
Vendor status for CRM and marketing automation platforms
Merlonix monitors upstream vendor status for CRM and marketing automation providers common in B2B stacks. When a HubSpot or Salesforce platform incident affects client integrations, you see the upstream cause in your alert feed — not after your client discovers the pipeline form is down.
What the numbers mean for B2B agencies
Monitoring built for higher-stakes client infrastructure.
B2B agencies manage client web infrastructure that directly touches revenue operations. A broken portal SSL or a failed CRM subdomain has consequences beyond a client call. Merlonix is built to give B2B agencies the lead time and signal quality that higher-stakes client relationships require.
30 days
SSL expiry warning lead time — enough runway to renew wildcard certificates and remediate chain issues before enterprise security audits flag them
< 10 min
Time from DNS change to alert — catches CRM subdomain CNAME drift before a prospect discovers the broken pipeline form
11 vendors
Upstream services monitored — including CRM and marketing automation providers common in B2B agency stacks
200 assets
Maximum monitored domains on the Agency plan — covers primary domains, portal subdomains, and CRM integrations across a full B2B client roster
Pricing
Flat monthly fee. Every domain and subdomain included.
No per-domain charges. No per-subdomain fees. Pick the tier that fits your client count and grow without billing surprises.
Starter
For consultants managing a small B2B client portfolio.
$29/ month
- 10 monitored assets
- 1 seat
- 15-min check cadence
- SSL + DNS + vendor monitoring
- Email + Slack alerts
Team
For B2B agencies with multiple clients and complex subdomain configurations.
$79/ month
- 50 monitored assets
- 5 seats
- 10-min check cadence
- SSL + DNS + vendor monitoring
- Email + Slack alerts
Agency
For agencies with a full B2B client roster including portals and CRM integrations.
$199/ month
- 200 monitored assets
- 15 seats
- 5-min check cadence
- SSL + DNS + vendor monitoring
- Email + Slack alerts
Know before your client does.
Add your first B2B client domain in under two minutes. The first SSL or DNS alert tells you whether monitoring was worth it — usually within the first week. 14-day trial, no card required.