How is notion.com?

Looks fine risk 0/100

Registered 29 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 168 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

168 ms · ends at www.notion.com

HTTPS

41 d

left on a Google Trust Services certificate

Age

29 years

registered 1997-10-06

Blocklists

listings across 5 lists

Everything we looked at

DNS records5 record types

A	208.103.161.1 208.103.161.17 208.103.161.2 208.103.161.16
AAAA	2602:f79a:0:1::1 2602:f79a::2 2602:f79a:0:1::2 2602:f79a::1
MX	0 smtp.secureserver.net 10 mailstore1.secureserver.net
NS	dana.ns.cloudflare.com woz.ns.cloudflare.com
TXT	google-site-verification=-rrcdVtUe-ikX5m1TXuYPXNJCC16vUgxXzZgB5138C8 google-site-verification=zH2sp7b2Gl7ek6DwF_cIDZwvIZPcOUSWn-VQrKxmycc google-site-verification=OMc_LL8ah0VHnQnuaivwDleWPBWz4anUkXhX3xrfowQ google-site-verification=nZoLSfH2fUzqMya0O0pqBwWkD8cnu8qBpmp66wBGHD8 google-site-verification=tqASjjztbEJ9II6pE7ZItRP5iVmkhNU-iF2_xbHRndc zoom-domain-verification=ZOOM_verify_7d721e1c5c134ba6aa478d5d4315ca01 _k0agcdke41snjx7ss80rut5biowk800 MS=ms30471993 postman-domain-verification=a713ed7f186c1901e299d55957b0e1bdfaf8f7d5aff31fbc6d49765defe5e190ab5c217a736b4ad45c553409b5b9d519977eb68ba3db733891949c1d456fdb71 v=MCPv1; k=ed25519; p=wv6IKlrIuEu00zHS//f5iBxZtZGb+UYuqaRlrg3CEY4= v=spf1 include:mktomail.com ~all proxy-ssl.webflow.com

RegistrationAmazon Registrar, Inc.

registrar	Amazon Registrar, Inc.
registered	1997-10-06
expires	2035-10-05
last changed	2026-06-21
owner	c/o whoisproxy.com
nameservers	dana.ns.cloudflare.com woz.ns.cloudflare.com
status	client transfer prohibited

registered 1997-10-06expires 2035-10-05

HTTPS certificate41 days left

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

issued 2026-09-11expires 2026-12-10

DNSSECsecure

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

. → com → notion.com

Email authenticationgood

SPF	pass `v=spf1 include:mktomail.com ~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 B · 145/205

Basic Security

10/40missing: DNSSEC Enabled, Nameserver Diversity

Record Security

30/45missing: CAA Records, DKIM Presence

Advanced Security

25/25

Domain Reputation

35/50missing: Typosquatting Check

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 14 lookups

SURBL MultidomainURIBL MultidomainSpamCop208.103.161.1Barracuda208.103.161.1UCEPROTECT Level 1208.103.161.1SpamCop208.103.161.2Barracuda208.103.161.2UCEPROTECT Level 1208.103.161.2SpamCop208.103.161.16Barracuda208.103.161.16UCEPROTECT Level 1208.103.161.16SpamCop208.103.161.17Barracuda208.103.161.17UCEPROTECT Level 1208.103.161.17

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.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=notion.com"

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

Watch notion.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