How is revenuecat.com?

Looks fine risk 0/100

Registered 9 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 194 ms.

Why

02050100

finecarefulhigh risk

·Nothing in the checks added risk.

Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.

Site

200

194 ms · ends at www.revenuecat.com

HTTPS

41 d

left on a Let's Encrypt certificate

Age

9 years

registered 2017-09-29

Blocklists

listings across 5 lists

Everything we looked at

DNS records4 record types

A	216.150.1.1
MX	5 alt1.aspmx.l.google.com 10 alt4.aspmx.l.google.com 1 aspmx.l.google.com 5 alt2.aspmx.l.google.com 10 alt3.aspmx.l.google.com
NS	ns-1435.awsdns-51.org ns-1760.awsdns-28.co.uk ns-43.awsdns-05.com ns-869.awsdns-44.net
TXT	h1-domain-verification=3H9UzhKQPmj1oACRCTRYYB7A6tdLm1y3XniiX72EchKMMvS1 linear-domain-verification=pbztagtrcdim google-site-verification=I6dGga6Q8Oo1QanH_JbTxibCviL1tSPuESdKvSPIfUg pinterest-site-verification=f5b1244dc4c9222330cadec16aab645a google-site-verification=aMbq4iaHFhh9_ThMPlygpSBfGFn0KgJwtzktGojzwI0 have-i-been-pwned-verification=dweb_xav8q8plfdvkaqu4l654h7gn openai-domain-verification=dv-4UyTwBGZiB4qnKQsyJ9GvwBp v=spf1 include:_spf.google.com include:amazonses.com include:mail.zendesk.com include:spf.mandrillapp.com include:_spf.salesforce.com ~all anthropic-domain-verification-vch9pp=mdcnwefGvE2sq8BvPVUZIGmuf google-site-verification=Hx6DZ_JdBOQUHI4PiK3XJuzDuk2LU2FHcjC4zcA3lgA google-site-verification=n0zCWPcbpjwiNyeSo1Ys1_VFgJo-yA3rJIp1hPDgt48 pandadoc-domain-verification=TyimPBYMS8uYk9DiN29fK4 cursor-domain-verification-waqeca=iFYjkZPAsbz5k5lmzIU1elg78 stripe-verification=593da428cb48f5f0719adb75de0627765670fe129940d3cec22a5a313bf6fda7 notion-domain-verification=h0Kakhlny1wQnmlWWdBFndLeO0skgTduk95Yr8WOCyK atlassian-domain-verification=SzU3aHuKbMKZWh5PXKwj9yyajMS5RaK5ZR4PevMUVXCx3jxDigwyTnhpDn9eCXoj stripe-verification=A91BE712546308B6BD7613C342775A50981530DED43B3EBC4D2FEF2BEF91E607 ps-cd-verification=008f9f84-9fb8-46fc-9cb3-d4f97b30b9ed ahrefs-site-verification_697a38dbd923734d3e18a3794bc30d904564984045451c3fca28fb49dbbd0bb2 vsBSjDvCemWfVjLEMajdlIybnmQdTkxh

RegistrationTucows Domains Inc.

registrar	Tucows Domains Inc.
registered	2017-09-29
expires	2027-09-29
last changed	2024-08-29
nameservers	ns-1435.awsdns-51.org ns-1760.awsdns-28.co.uk ns-43.awsdns-05.com ns-869.awsdns-44.net
status	client transfer prohibited client update prohibited

registered 2017-09-29expires 2027-09-29

HTTPS certificate41 days left

valid	yes
issuer	Let's Encrypt
covers	revenuecat.com
protocol	TLSv1.3

issued 2026-09-13expires 2026-12-12

DNSSECinsecure

Domain is not signed with DNSSEC

. → com → revenuecat.com

Email authenticationexcellent

SPF	pass `v=spf1 include:_spf.google.com include:amazonses.com include:mail.zendesk.com include:spf.mandrillapp.com include:_spf.salesforce.com ~all`
DMARC	pass policy reject
DKIM	found: google

Whether mail claiming to be from this domain can be checked as genuine.

Security scoregrade B · 165/205

Basic Security

20/40missing: DNSSEC Enabled

Record Security

30/45missing: CAA Records, DKIM Presence

Advanced Security

20/25missing: IPv6 Support

Domain Reputation

50/50

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 5 lookups

SURBL MultidomainURIBL MultidomainSpamCop216.150.1.1Barracuda216.150.1.1UCEPROTECT Level 1216.150.1.1

Green: clean. Red: listed. Grey: the list did not answer.

Ask it yourself

Agents get this as data. Bought through the API, the checks behind this page cost $0.070: profile $0.025 + trust $0.020 + screenshot $0.020 + site status $0.005.

curl "https://how.is/v1/domain/trust?domain=revenuecat.com" \ -H "Authorization: Bearer $HOWIS_KEY" # or pay per call in USDC (x402), no key: the 402 tells your agent the price curl -i "https://how.is/v1/domain/profile?domain=revenuecat.com"

MCP: add https://how.is/mcp to Claude, Codex or Cursor (one-line install) and ask for domain_trust on revenuecat.com. Reference: /llms.txt.

IPv6. Does revenuecat.com work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.

Watch revenuecat.com. DNS read at the source every 5 minutes; certificate, blocklists and expiry every 6 hours. You get an email only when something changes.

Watch — $1 / 30 days