How is notion.site?

Looks fine risk 0/100

Registered 6 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 144 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

144 ms · ends at www.notion.com

HTTPS

73 d

left on a Google Trust Services certificate

Age

6 years

registered 2020-12-08

Blocklists

listings across 5 lists

Everything we looked at

DNS records3 record types

A	208.103.161.32 208.103.161.33
NS	woz.ns.cloudflare.com dana.ns.cloudflare.com
TXT	v=spf1 -all google-site-verification=5NeSk7wYs2oPBBAKq9DQCIC0eOrIiWnrZOh528zfrcM google-site-verification=7cEiu3kC5MgSXuP4AskLbY8n5AVUFPvyD5t5yFQfCjs google-site-verification=iV6PR69RZuptZULIxQ1Un77vr9CUSATxxQmtB_U_OL4

RegistrationAmazon Registrar, Inc.

registrar	Amazon Registrar, Inc.
registered	2020-12-08
expires	2028-12-08
last changed	2026-06-16
owner	c/o whoisproxy.com
nameservers	dana.ns.cloudflare.com woz.ns.cloudflare.com
status	client transfer prohibited

registered 2020-12-08expires 2028-12-08

HTTPS certificate73 days left

valid	yes
issuer	Google Trust Services
covers	notion.site, *.notion.site
protocol	TLSv1.3

issued 2026-10-16expires 2027-01-14

DNSSECsecure

Domain is properly signed — chain validated by an independent validating resolver

. → site → notion.site

Email authenticationfair

SPF	pass `v=spf1 -all`
DMARC	pass policy reject
DKIM	none of 1 common selectors

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

Security scoregrade C · 130/205

Basic Security

10/40missing: DNSSEC Enabled, Nameserver Diversity

Record Security

30/45missing: CAA Records, DKIM Presence

Advanced Security

10/25missing: Mail Server Configuration, IPv6 Support

Domain Reputation

35/50missing: Typosquatting Check

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 8 lookups

SURBL MultidomainURIBL MultidomainSpamCop208.103.161.32Barracuda208.103.161.32UCEPROTECT Level 1208.103.161.32SpamCop208.103.161.33Barracuda208.103.161.33UCEPROTECT Level 1208.103.161.33

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=notion.site" \ -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=notion.site"

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

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

Watch notion.site. 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