How is merriam-webster.com?

Looks fine risk 0/100

Registered 28 years ago, on no blocklists we checked, valid HTTPS, the site answered 403 in 64 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

403

64 ms

HTTPS

64 d

left on a Amazon certificate

Age

28 years

registered 1999-02-08

Blocklists

listings across 5 lists

Everything we looked at

DNS records5 record types

A	3.162.112.97 3.162.112.64 3.162.112.58 3.162.112.129
AAAA	2600:9000:244d:e800:c:3d32:e340:93a1 2600:9000:244d:f600:c:3d32:e340:93a1 2600:9000:244d:2e00:c:3d32:e340:93a1 2600:9000:244d:fc00:c:3d32:e340:93a1 2600:9000:244d:f200:c:3d32:e340:93a1 2600:9000:244d:c400:c:3d32:e340:93a1 2600:9000:244d:9200:c:3d32:e340:93a1 2600:9000:244d:d600:c:3d32:e340:93a1
MX	1 smtp.google.com
NS	ns-323.awsdns-40.com ns-1084.awsdns-07.org ns-1998.awsdns-57.co.uk ns-636.awsdns-15.net
TXT	v=spf1 include:_spf.google.com include:sendgrid.net ~all google-site-verification=yhZNYrftQlDsh_3oIQsAxUkrnWJCsa3pgxqnlBS3aIw google-site-verification=S4yVMtexKSScdrR1yYa25BvuqJmWnB6MudoXTyEEFU0 google-site-verification=QFIo-DJEb2h-NnAkKfbngucTyIPtJLkdhiK9nI-icWo google-site-verification=0P7lGsk2k9lYPZzfPtMQ65anErIqEaDKEB5s5SA-wjA

RegistrationCSC Corporate Domains, Inc.

registrar	CSC Corporate Domains, Inc.
registered	1999-02-08
expires	2027-02-08
last changed	2026-02-04
owner	Encyclopaedia Britannica, Inc.
nameservers	ns-1084.awsdns-07.org ns-1998.awsdns-57.co.uk ns-323.awsdns-40.com ns-636.awsdns-15.net
status	client transfer prohibited

registered 1999-02-08expires 2027-02-08

HTTPS certificate64 days left

valid	yes
issuer	Amazon
covers	.merriam-webster.com, cdn-mw.com, .m-w.com, .theusage.com, theusage.com, .word.com, *.cdn-mw.com, m-w.com, merriam-webster.com
protocol	TLSv1.3

issued 2026-06-16expires 2026-12-30

DNSSECinsecure

Domain is not signed with DNSSEC

. → com → merriam-webster.com

Email authenticationexcellent

SPF	pass `v=spf1 include:_spf.google.com include:sendgrid.net ~all`
DMARC	pass policy reject
DKIM	found: google, s1, s2

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

Security scoregrade B · 165/205

Basic Security

20/40missing: DNSSEC Enabled

Record Security

30/45missing: CAA Records, DKIM Presence

Advanced Security

20/25missing: Mail Server Configuration

Domain Reputation

50/50

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 14 lookups

SURBL MultidomainURIBL MultidomainSpamCop3.162.112.129Barracuda3.162.112.129UCEPROTECT Level 13.162.112.129SpamCop3.162.112.58Barracuda3.162.112.58UCEPROTECT Level 13.162.112.58SpamCop3.162.112.97Barracuda3.162.112.97UCEPROTECT Level 13.162.112.97SpamCop3.162.112.64Barracuda3.162.112.64UCEPROTECT Level 13.162.112.64

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=merriam-webster.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=merriam-webster.com"

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

Watch merriam-webster.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