How is pages.dev?

Be careful risk 40/100

Registered 6 years ago, listed on 1 blocklist, valid HTTPS, the site answered 200 in 498 ms.

Why

02050100

finecarefulhigh risk

+40Listed on 1 spam/abuse blocklist(s).

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

498 ms · ends at www.cloudflare.com

HTTPS

52 d

left on a Google Trust Services certificate

Age

6 years

registered 2020-09-02

Blocklists

listings across 5 lists

Everything we looked at

DNS records4 record types

A	104.18.21.135 104.18.20.135
AAAA	2606:4700::6812:1587 2606:4700::6812:1487
NS	adi.ns.cloudflare.com karl.ns.cloudflare.com
TXT	ca3-5c38164b370642b5ab3dc252644cfaff

RegistrationCloudFlare, Inc.

registrar	CloudFlare, Inc.
registered	2020-09-02
expires	2027-09-02
last changed	2026-06-09
owner	DATA REDACTED
nameservers	adi.ns.cloudflare.com karl.ns.cloudflare.com
status	client delete prohibited client transfer prohibited client update prohibited

registered 2020-09-02expires 2027-09-02

HTTPS certificate52 days left

valid	yes
issuer	Google Trust Services
covers	pages.dev, *.pages.dev
protocol	TLSv1.3

issued 2026-09-18expires 2026-12-17

DNSSECinsecure

Domain is not signed with DNSSEC

. → dev → pages.dev

Email authenticationpoor

SPF	none
DMARC	none
DKIM	none of 1 common selectors

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

Security scoregrade D · 95/205

Basic Security

10/40missing: DNSSEC Enabled, Nameserver Diversity

Record Security

0/45missing: CAA Records, SPF Record, DMARC Record, DKIM Presence

Advanced Security

10/25missing: Mail Server Configuration, SOA Record Configuration

Domain Reputation

30/50missing: Domain Blacklist Status, Reputation Confidence Alert

Threat Detection

45/45missing: Domain Age Check

Blocklists1 listing · 8 lookups

SURBL MultidomainURIBL MultidomainSpamCop104.18.21.135Barracuda104.18.21.135UCEPROTECT Level 1104.18.21.135SpamCop104.18.20.135Barracuda104.18.20.135UCEPROTECT Level 1104.18.20.135

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=pages.dev" \ -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=pages.dev"

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

Watch pages.dev. 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