How is unpkg.com?

Looks fine risk 0/100

Registered 11 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

HTTPS

74 d

left on a Google Trust Services certificate

Age

11 years

registered 2016-01-06

Blocklists

listings across 4 lists; 1 did not answer

Everything we looked at

DNS records5 record types

A	104.18.0.22 104.18.1.22
AAAA	2606:4700::6812:116 2606:4700::6812:16
MX	1 smtp.google.com
NS	alexia.ns.cloudflare.com weston.ns.cloudflare.com
TXT	google-gws-recovery-domain-verification=76451538 v=spf1 include:_spf.mx.cloudflare.net include:_spf.google.com ~all google-site-verification=y-PS0QLlNYu6KYFYLeI1nvRY7Put_TQLFZP_y2Zo3U0 google-site-verification=fOButneEtFRbOXVdUUvlOm07LSxEJXUh5KbdMtkDvNo

RegistrationCloudflare, Inc.

registrar	Cloudflare, Inc.
registered	2016-01-06
expires	2027-01-06
last changed	2025-12-07
owner	DATA REDACTED
nameservers	alexia.ns.cloudflare.com weston.ns.cloudflare.com
status	client transfer prohibited

registered 2016-01-06expires 2027-01-06

HTTPS certificate74 days left

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

issued 2026-10-12expires 2027-01-10

DNSSECinsecure

Domain is not signed with DNSSEC

. → com → unpkg.com

Email authenticationgood

SPF	pass `v=spf1 include:_spf.mx.cloudflare.net include:_spf.google.com ~all`
DMARC	warning policy none
DKIM	found: google

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

Security scoregrade B · 148/205

Basic Security

10/40missing: DNSSEC Enabled, Nameserver Diversity

Record Security

23/45missing: CAA Records, DMARC Record, DKIM Presence

Advanced Security

20/25missing: Mail Server Configuration

Domain Reputation

50/50

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 8 lookups

SURBL MultidomainURIBL MultidomainSpamCop104.18.1.22Barracuda104.18.1.22UCEPROTECT Level 1104.18.1.22SpamCop104.18.0.22Barracuda104.18.0.22UCEPROTECT Level 1104.18.0.22

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=unpkg.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=unpkg.com"

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

Watch unpkg.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