HOW.IS
?

How is npmjs.com?

Looks fine risk 0/100

Registered 17 years ago, on no blocklists we checked, valid HTTPS, the site answered 403 in 52 ms.

Why

02050100
finecarefulhigh risk
  • ·Nothing in the checks added risk.

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

How npmjs.com looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
403
52 ms
HTTPS
38 d
left on a Google Trust Services certificate
Age
17 years
registered 2010-03-19
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records6 record types
A104.17.135.117
104.17.134.117
AAAA2606:4700::6811:8675
2606:4700::6811:8775
MX10 aspmx.l.google.com
30 alt2.aspmx.l.google.com
40 aspmx2.googlemail.com
20 alt1.aspmx.l.google.com
50 aspmx3.googlemail.com
NSbayan.ns.cloudflare.com
sandy.ns.cloudflare.com
TXTv=spf1 include:stspg-customer.com include:mail.zendesk.com include:_spf.google.com include:5326678.spf10.hubspotemail.net include:servers.mcsv.net include:amazonses.com ~all
google-site-verification=KtNKHWHGMRbAhkVydBWxt9sJJF-vvtTMVK5S8AgtreA
9ppvqgfs31mbchvn33n601dh9sm545j0
google-site-verification=3olb25e_eHjiKH_mpKzq8anNryKG7fB3C2Hbrrnny6I
status-page-domain-verification=gx37pw1xshfg
ZAMDPQHDY
ZOOM_verify_9jQN-O8pSrO7mY5zFjoF6g
MS=ms83736980
CAA{'type': 'CAA', 'critical': 0, 'issuewild': 'sectigo.com'}
{'type': 'CAA', 'critical': 0, 'issuewild': 'comodoca.com'}
{'type': 'CAA', 'issue': 'comodoca.com', 'critical': 0}
{'type': 'CAA', 'issue': 'digicert.com; cansignhttpexchanges=yes', 'critical': 0}
{'type': 'CAA', 'issue': 'letsencrypt.org', 'critical': 0}
{'type': 'CAA', 'issue': 'pki.goog; cansignhttpexchanges=yes', 'critical': 0}
{'type': 'CAA', 'issue': 'ssl.com', 'critical': 0}
{'type': 'CAA', 'critical': 0, 'issuewild': 'pki.goog; cansignhttpexchanges=yes'}
{'type': 'CAA', 'issue': 'sectigo.com', 'critical': 0}
{'type': 'CAA', 'critical': 0, 'issuewild': 'ssl.com'}
{'type': 'CAA', 'critical': 0, 'issuewild': 'letsencrypt.org'}
{'type': 'CAA', 'critical': 0, 'issuewild': 'digicert.com; cansignhttpexchanges=yes'}
RegistrationMarkMonitor Inc.
registrarMarkMonitor Inc.
registered2010-03-19
expires2031-03-19
last changed2023-02-20
ownerREDACTED FOR PRIVACY
nameserversbayan.ns.cloudflare.com
sandy.ns.cloudflare.com
statusclient delete prohibited
client transfer prohibited
client update prohibited
registered 2010-03-19expires 2031-03-19
HTTPS certificate38 days left
validyes
issuerGoogle Trust Services
coversnpmjs.com, *.internal.npmjs.com, *.npmjs.com
protocolTLSv1.3
issued 2026-09-11expires 2026-12-10
DNSSECinsecure

Domain has DNSKEY but no DS record in parent zone

. → com → npmjs.com
Email authenticationgood
SPFpass v=spf1 include:stspg-customer.com include:mail.zendesk.com include:_spf.google.com include:5326678.spf10.hubspotemail.net include:servers.mcsv.net include:amazonses.com ~all
DMARCwarning policy quarantine
DKIMfound: google, smtp

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

Security scoregrade A · 175/205
Basic Security
10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security
45/45missing: DKIM Presence
Advanced Security
25/25
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 8 lookups
SURBL MultidomainURIBL MultidomainSpamCop104.17.134.117Barracuda104.17.134.117UCEPROTECT Level 1104.17.134.117SpamCop104.17.135.117Barracuda104.17.135.117UCEPROTECT Level 1104.17.135.117

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=npmjs.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=npmjs.com"

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

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

Watch npmjs.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