HOW.IS
?

How is facebook.com?

Looks fine risk 0/100

Registered 30 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 121 ms.

Why

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

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

How facebook.com looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
200
121 ms · ends at www.facebook.com
HTTPS
8 d
left on a DigiCert Inc certificate
Age
30 years
registered 1997-03-29
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records6 record types
A57.144.74.1
AAAA2a03:2880:f31d:1:face:b00c:0:25de
MX10 smtpin.vvv.facebook.com
NSd.ns.facebook.com
a.ns.facebook.com
b.ns.facebook.com
c.ns.facebook.com
TXTgoogle-site-verification=wdH5DTJTc9AYNwVunSVFeK0hYDGUIEOGb-RReU6pJlY
v=spf1 redirect=_spf.facebook.com
google-site-verification=A2WZWCNQHrGV_TWwKh6KHY90tY0SHZo_RnyMJoDaG0s
google-site-verification=sK6uY9x7eaMoEMfn3OILqwTFYgaNp4llmguKI-C3_iA
facebook-domain-verification=y7isfmi3kzyg1r4wophh9vyb6pgbda
zoom-domain-verification=4b2ef4e1-6dee-4483-9869-9bef353fd147
zoom-domain-verification=ZOOM_verify_e6c41daeb8a04c56b2c1d1702e312f88
hubspot-developer-verification=MzQ2OTc4NWYtNDNmNS00ZmFlLWE3YTUtMDEwOTllNmEyYWZm
CAA{'type': 'CAA', 'issue': 'digicert.com; account=271b0beda0771d006aa3a6c11b05187d456d6c239b46cb5241196095b09c92af', 'critical': 0}
RegistrationRegistrarSafe, LLC
registrarRegistrarSafe, LLC
registered1997-03-29
expires2034-03-30
last changed2025-04-23
ownerMeta Platforms, Inc.
nameserversa.ns.facebook.com
b.ns.facebook.com
c.ns.facebook.com
d.ns.facebook.com
statusclient delete prohibited
client transfer prohibited
client update prohibited
server delete prohibited
server transfer prohibited
server update prohibited
registered 1997-03-29expires 2034-03-30
HTTPS certificate8 days left
validyes
issuerDigiCert Inc
covers*.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com
protocolTLSv1.3
issued 2026-08-05expires 2026-11-03
DNSSECinsecure

Domain is not signed with DNSSEC

. → com → facebook.com
Email authenticationfair
SPFwarning v=spf1 redirect=_spf.facebook.com
DMARCpass policy reject
DKIMnone of 1 common selectors

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

Security scoregrade B · 163/205
Basic Security
10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security
38/45missing: SPF Record, DKIM Presence
Advanced Security
20/25missing: Mail Server Configuration
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 5 lookups
SURBL MultidomainURIBL MultidomainSpamCop57.145.2.1Barracuda57.145.2.1UCEPROTECT Level 157.145.2.1

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=facebook.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=facebook.com"

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

Watch facebook.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