HOW.IS
?

How is coinbase.com?

Looks fine risk 0/100

Registered 15 years ago, on no blocklists we checked, valid HTTPS, the site answered 403 in 80 ms.

Why

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

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

How coinbase.com looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
403
80 ms
HTTPS
49 d
left on a Google Trust Services certificate
Age
15 years
registered 2011-07-02
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records6 record types
A172.64.152.241
104.18.35.15
AAAA2a06:98c1:310d::6812:230f
2a06:98c1:3102::ac40:98f1
MX5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com
10 alt3.aspmx.l.google.com
1 aspmx.l.google.com
10 alt4.aspmx.l.google.com
NSsam.ns.cloudflare.com
sue.ns.cloudflare.com
TXTDirectFedAuthUrl=https://coinbase.okta.com/app/coinbase_pwc_1/exk1ke47d0l3gh5gp0x8/sso/saml
verification_token=fsUf5PQLIwq7nf4HOoQN6ZUCz
google-site-verification=veWhMcRP5-ISDr7tSAI7Mjh9ELqQ7ndOvbHY-xcsl9o
plain-domain-verification-5y5tn9=TNqQhlpQ8Bn39aDEnApFcwOxC
amp-by-sourcegraph-domain-verification-h888ba=g5N2hQggP0wSY4x7gSMgfvyyg
verification_token=N5mizUogMNMbNmoFTKuh7KCwg
docusign=642eb6c3-8697-4ebd-8a51-a48a05713018
google-site-verification=5Vrsjlgs1uhwN5AU2Vg1TPuEBasNdhX3CgxtfTdXOQQ
ahrefs-site-verification_cc6fbe8f6b26b9b07f97892536cda45b7ce7917b040baacf81facc14e820e887
jumio-up-idp-domain-verification=59dc5c59-80b3-4697-a85f-e4432d7ba047
dropbox-domain-verification=ap29irieph9f
facebook-domain-verification=qbphvvib286cbvluswam0qypj99ofm
pylon-domain-verification-sc64gk=B7nJiLr0KeZ0CRv2aVkYTNfjs
vercel-domain-verification-zvp7d4=jvZ5HXRxnwIhxdzt26biEw6Oh
openai-domain-verification=dv-lWXbBpm6xG2ptEFodATJULvV
cloudflare_dashboard_sso=2306d311a1bc9c50590c204bf0e527d8
MS=ms23710130
tiktok-developers-site-verification=HrFgIdc7KnV2NknroIrwPpiieVmSJjYz
apple-domain-verification=8HpWlON81jar5xva
miro-verification=790dc2010116c659230c25705d7a5358cd78d99b
v=spf1 include:amazonses.com include:_spf.google.com -all
google-site-verification=gwL0hNTFdVrIO_MRAN6m07GJs7aZFGC-XkJcaq8We2s
slack-domain-verification=MlD3gzX7txujPKkmWsULE6w264DyKkTkxbT7nPTd
mongodb-site-verification=hME8tDWzya9rzZbckAxwpiEiv12KX8Gd
stripe-verification=f66cbde9148f67d1bb992cfe5ae3fc1efa829c816b726b0bb28ff243325344dc
verification_token=KH5SwHZXz5rsFGMABj81aGBnF
google-site-verification=8ww1MRKa0mZPc-WdoZ7YdL64qIE_2bJuIyIagaQqzFo
keybase-site-verification=UlVJ6_FMc2ceBGKC2cjhy8FF1iGw-iuvdc1WzRX7foU
smartsheet-site-validation=kyRJbpapnk1ExowiffTo0f3Pc-9XKoSh
applause-verification:4e8f0335-526a-4a52-8da4-f4ecedc931ef
de7f455f-f2f0-4669-8193-08e31bfab40f
giga-domain-verification-956jz3=BliOUPqeH2xWvVWYcEmFCxcwC
atlassian-domain-verification=hDuZ4Ho1Rts/J4kaoxR9K2Qnywy2Uo+GV8bDIwXEsE4uovTo0vcL+8AVpI4+3j2V
docusign=8ace657e-b7bc-4ed2-9cb3-8aa55e7d0597
apple-domain-verification=7XHeC6zhfdUOulBSjnUyABNhGLx2RMnjebZj2HMPH4w
onetrust-domain-verification=f131f1d66b1b445cb8edc36b8edd78e8
1password-site-verification=2JYSQ7TWXVDP7DWPHTZRLBRESI
google-site-verification=qyTrwiATuVJMBGXPOYPOr-NSYW90-idNJU7uTh6-v7Y
TSW_ODg1dGVyYXN3aXRjaA==
google-site-verification=F0pv18D2VaKyH77hhpE9OZuDVipTi_YUGqKGzSOUfnQ
google-site-verification=Mf-1A418PKg0c9t2nAaK4zjWv2A_N8uNGu078EWqCZc
cursor-domain-verification-tqme34=zHJPl1GeHjzl9e5kOqNqpcepA
CAA{'type': 'CAA', 'issue': 'digicert.com', 'critical': 0}
{'type': 'CAA', 'issue': 'pki.goog; cansignhttpexchanges=yes', 'critical': 0}
{'type': 'CAA', 'issue': 'amazonaws.com', 'critical': 0}
{'type': 'CAA', 'iodef': 'mailto:security@coinbase.com', 'critical': 0}
{'type': 'CAA', 'issue': 'letsencrypt.org', 'critical': 0}
RegistrationMarkMonitor Inc.
registrarMarkMonitor Inc.
registered2011-07-02
expires2028-07-02
last changed2026-05-31
ownerREDACTED FOR PRIVACY
nameserverssam.ns.cloudflare.com
sue.ns.cloudflare.com
statusclient delete prohibited
client transfer prohibited
client update prohibited
server delete prohibited
server transfer prohibited
server update prohibited
registered 2011-07-02expires 2028-07-02
HTTPS certificate49 days left
validyes
issuerGoogle Trust Services
coverscoinbase.com, *.cdp.coinbase.com
protocolTLSv1.3
issued 2026-09-21expires 2026-12-20
DNSSECinsecure

Domain is not signed with DNSSEC

. → com → coinbase.com
Email authenticationexcellent
SPFpass v=spf1 include:amazonses.com include:_spf.google.com -all
DMARCpass policy reject
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 MultidomainSpamCop172.64.152.241Barracuda172.64.152.241UCEPROTECT Level 1172.64.152.241SpamCop104.18.35.15Barracuda104.18.35.15UCEPROTECT Level 1104.18.35.15

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=coinbase.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=coinbase.com"

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

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

Watch coinbase.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