HOW.IS
?

How is udemy.com?

Looks fine risk 0/100

Registered 17 years ago, on no blocklists we checked, valid HTTPS, the site answered 403 in 41 ms.

Why

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

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

How udemy.com looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
403
41 ms
HTTPS
71 d
left on a Google Trust Services certificate
Age
17 years
registered 2009-08-13
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records5 record types
A104.16.142.237
104.16.143.237
AAAA2606:4700::6810:8eed
2606:4700::6810:8fed
MX1 smtp.google.com
NSanna.ns.cloudflare.com
pete.ns.cloudflare.com
TXTpendo-domain-verification=595ba9d5-03ac-4aee-b50f-168214b6a32a
apple-domain-verification=IEscmDl7jHBZDO_dBAG0xMjbBbPxomU_9rqwksKrNmk
atlassian-domain-verification=YpSV2agr6k+w5lkm2ml8m8/N+xCTPcXjTKwDomeoJJTrgnmCoeRyXs/U576G4Cz2
docusign=d078f828-536c-4ce3-a867-b26ad811bb8a
globalsign-domain-verification=K9ZBZYNiNsNNOiaY2Tbjn-Bfe0dWwAwpstKoOOVJWO
stripe-verification=e006b01ab77ebbe2e6c509a4e2280540bfea979f8c49ed3efd225004aa2f6292
calendly-site-verification=1JSBFDpdjWnwytRLc99NKaTsatZS3UFCYYp6tFThw
globalsign-domain-verification=fB1XzR_1Hvbw32pP6EbLFlB9r4pxcc86XOgA7B7DyV
mint-mcp-domain-verification-3p7dva=FgfX3ooe8zSPrzYaM0SEJjugO
stripe-verification=a4f63d60cd50bfe9f3b2c2d8aa55bc596a98ab6e0f0f2e9d798c6939ece90b90
google-site-verification=4E_wLzpH4XLGfUSem4QVA6mUpRJDjvZ03pG1jU56hNM
_globalsign-domain-verification=9UioyPO0_F2Epyd3gGV5_VklXzoibTukD_jkbZPw43
stripe-verification=4d955ddab5b0fc6cf1931b41935e45f7997f3b13677532d11e6a90b58f5156aa
google-site-verification=ld8CL_RjIj_FPsIdElHPqkhOMJ8Rixk1y7-s0Opi-90
google-site-verification=lKnsAORvM6iM1XErS9RH0TeVGG7VfTb5ST7PGx1AQ-w
globalsign-domain-verification=Bo6R5k9s2Zwdk5OoeybGk6L2EHx_oV1TqLgGiMR4IQ
openai-domain-verification=dv-ncbISx7kF83lZ69Xc97AoraD
google-site-verification=RuYIvfeP5e2eBgQzIaky9XuiCkkrVE2KUBULndTtFE4
adobe-idp-site-verification=e54c98a1c7f23b54b8ac4b7b75952259c173d7bfba731f72db60eb7ad4e63d97
v=spf1 include:_spf.google.com include:mktomail.com include:spf.mtasv.net include:mail.zendesk.com include:_spf.salesforce.com -all
google-site-verification=KR2k8MUNPfIO05_bn2-YYMLxVUsnkD-ptX-lBLPmz6M
google-site-verification=IKMJeRfamsooHAMaTQdFDaQ4MsfeW1Nr6F7DPDEkycg
stripe-verification=54fa1ebf13b6990c87e17caffc4829d9600d3bd0ca60b24e6bf9ae530baf37f3
google-site-verification=FZsUD-xuwip73XO7XfuX-4kDEY-_Qel0klHmmu6CB5k
canva-site-verification=Ng9bmmu7vJyWHYrTk_wUZw
stripe-verification=044c7ed24abd68184b0a86b00dbd47b87d1db3a5eb2ee132df5131bfc6fe29d1
google-site-verification=c7RTHsaBu_LU5KgIFuPCWa5yxuTrkOGYtKaYt85mrq8
twilio-domain-verification=8e64b1bb044ab98ebbd3638c1babb25a
prowly-verification=bebd281d32a3e1b8140345e1f876f82eff2ba617d782c6206e7c21fd9fdbd880
cursor-domain-verification-pae8cg=8gFowcF4OpBSeYJTIw0GYPFvL
cloudhealth=8d6a3d7f-ed91-4280-8422-b4b27b3dfcda
stripe-verification=e2909d7f06f271e18ace56ef06db7b552e6692c312adfedaf6cea1a2e0d63125
apple-domain-verification=MntOsncD5C5BxosV
MS=ms39886121
jamf-site-verification=L9yfsaaKM7FxdBtc5kWk6g
stripe-verification=8ad760d1d60c9bbd83b03ed7fe20a10682f7d65774aa9db13a0b524e51cefe2c
google-site-verification=0Gl3_FzqmUkS2NHg_Wd5pmGiSmt_Jk4MVnaCiDbhDnY
_nbghqs48lzt0emavhip5o2dyy5kb0xy
atlassian-domain-verification=iztR9OQCHGIVBm5w5PmFPf1nTaqiOROSuNTF9Kv0idnfzCBmAsbfwGEF2aOK+yo4
google-site-verification=mSmGycRVFusrCec4blSh608oUai-y0AumEuI3OlaGBo
stripe-verification=5808adfa0c91e8dfe4ecd14f20c22ba0d54b6e8b71b23a5eada978511a246e1a
everyone-social-domain-verification-jwrezp=jzDRrOXbrmEM0Q6XEbJlsjIeI
anthropic-domain-verification-8xcn1b=XJ2EZ4D0KXPEyEAZU21FX1D94
zero-path-domain-verification-6e9hdw=BtrY4vZKLJdp2XlFj1sE4FFVG
_globalsign-domain-verification=oJsQtL3M8axaRGjlRJ4BstY+1TfWDryoeAouwRxay7A=
miro-verification=f165badb21a511b048a7f7a9fba3352c0db8b09b
docusign=206e891a-5b22-4d4c-9a10-85066ba89160
google-site-verification=Ca1sgMRin5VW1yxjUntivQ3-RySo8SmJcWR6zgFW_w0
loom-site-verification=f173ba1cc44648d0ac2bbd0919868a6b
onetrust-domain-verification=2a6df466515246c4a7c37104f55a82b8
citrix-verification-code=6b798901-86c6-452c-a3ea-ed718cab39bd
RegistrationSafeNames Ltd.
registrarSafeNames Ltd.
registered2009-08-13
expires2027-08-13
last changed2025-09-01
nameserversanna.ns.cloudflare.com
pete.ns.cloudflare.com
statusclient delete prohibited
client transfer prohibited
client update prohibited
registered 2009-08-13expires 2027-08-13
HTTPS certificate71 days left
validyes
issuerGoogle Trust Services
coversudemy.com, *.aws-dr.udemy.com, *.udemy.com, aws-dr.udemy.com
protocolTLSv1.3
issued 2026-10-13expires 2027-01-11
DNSSECsecure

Domain is properly signed — chain validated by an independent validating resolver

. → com → udemy.com
Email authenticationexcellent
SPFpass v=spf1 include:_spf.google.com include:mktomail.com include:spf.mtasv.net include:mail.zendesk.com include:_spf.salesforce.com -all
DMARCpass policy reject
DKIMfound: default, google, s1, s2

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

Security scoregrade B · 150/205
Basic Security
10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security
30/45missing: CAA Records, DKIM Presence
Advanced Security
15/25missing: Mail Server Configuration, SOA Record Configuration
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 8 lookups
SURBL MultidomainURIBL MultidomainSpamCop104.16.142.237Barracuda104.16.142.237UCEPROTECT Level 1104.16.142.237SpamCop104.16.143.237Barracuda104.16.143.237UCEPROTECT Level 1104.16.143.237

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=udemy.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=udemy.com"

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

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

Watch udemy.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