HOW.IS
?

How is fb.com?

Looks fine risk 0/100

Registered 36 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 130 ms.

Why

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

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

How fb.com looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
200
130 ms · ends at www.facebook.com
HTTPS
7 d
left on a DigiCert Inc certificate
Age
36 years
registered 1990-05-22
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records5 record types
A57.145.2.1
AAAA2a03:2880:f381:1:face:b00c:0:25de
MX20 mx0b-00082601.pphosted.com
10 mxb-00082601.gslb.pphosted.com
10 mxa-00082601.gslb.pphosted.com
20 mx0a-00082601.pphosted.com
NSd.ns.facebook.com
b.ns.facebook.com
c.ns.facebook.com
a.ns.facebook.com
TXTsmartsheet-site-validation=r-TtxwzdAh2KN_Zi6mTLGu02fz-9vQU4
586957ce-d11e-4efa-9fe5-a887498bf838
slack-domain-verification=98evShJrgCmABvEiYjXPwVbRybZlSnQPoWY0n7WO
MS=ms56927146
atlassian-domain-verification=I7HLjLnlhJiDT58wzrru2Pd/2cRWa3AKlgCjDPOO43GMP7H0QuafH6eBts3D1GaP
google-site-verification=Dsycvk_Ky3uQjdvuPrI_Z6A98lWghNTntdS4LuATOj8
mentimeter-8599dcd1-e0da-4326-882e-7570e7c942fb
I2B7AuxY6G1G_NeiaHF-9A0zn-3NDBnlOBi4zItNCU8
parkable-domain-verification=N89SxXel0S4pUXDFVpckFmXIO9MUvN4Or0bO_Lcb8Os=
v=spf1 redirect=_spf.fb.com
G3X1k1XGYGra1nUpTv7Rdk2wAEFHfkKIr9/4/6+Nu67Ks9cR8xaiqAZPPhis9lGD6mb/+9vygIr4QKXIpxIc7w==
docusign=ad7f789d-eff1-4283-9d90-fdc9484527e1
smartsheet-site-validation=sB5xgx-1nsnQCgORYUhnyDG3Jr739OxJ
mentimeter-16bdc82d-93be-47de-a6d4-fd6adb17c403
RegistrationRegistrarSafe, LLC
registrarRegistrarSafe, LLC
registered1990-05-22
expires2034-05-23
last changed2025-05-28
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 1990-05-22expires 2034-05-23
HTTPS certificate7 days left
validyes
issuerDigiCert Inc
covers*.fb.com, fb.com
protocolTLSv1.3
issued 2026-08-05expires 2026-11-03
DNSSECinsecure

Domain is not signed with DNSSEC

. → com → fb.com
Email authenticationexcellent
SPFwarning v=spf1 redirect=_spf.fb.com
DMARCpass policy reject
DKIMfound: google

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

Security scoregrade B · 153/205
Basic Security
10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security
23/45missing: CAA Records, SPF Record, DKIM Presence
Advanced Security
25/25
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=fb.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=fb.com"

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

Watch fb.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