HOW.IS
?

How is khanacademy.org?

Looks fine risk 0/100

Registered 21 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 48 ms.

Why

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

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

How khanacademy.org looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
200
48 ms · ends at www.khanacademy.org
HTTPS
176 d
left on a Amazon certificate
Age
21 years
registered 2006-03-14
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records5 record types
A3.167.88.27
3.167.88.54
3.167.88.13
3.167.88.86
MX1 aspmx.l.google.com
5 alt2.aspmx.l.google.com
10 aspmx3.googlemail.com
5 alt1.aspmx.l.google.com
10 aspmx2.googlemail.com
NSns-125.awsdns-15.com
ns-1489.awsdns-58.org
ns-798.awsdns-35.net
ns-1664.awsdns-16.co.uk
TXTopenai-domain-verification=dv-E4EGw5ZIgYd9B3mwA3dPV5zY
google-site-verification=SprWzGYoIdXdFrUCSyBhXJtHzFjE8FAQNlTamgKenhU
spf2.0/pra include:_spf.google.com include:sendgrid.net include:aspmx.sailthru.com -all
google-site-verification=JML6gcy7DbE1dA3JB9W4O6EB9uQ8bpOlJTyniVCgd-o
stripe-verification=332820F9A5BCCCACBF2F5D8636496EB723C4062C9B878B8BAB77E99A2522E947
_globalsign-domain-verification=Prrz12gznJzJiHaajX3CnPfpqK6hhLae0miMSZ_BGa
cursor-domain-verification-dc9ngn=XEN4zLZD2K4p5yMB2JFUNxGIk
anthropic-domain-verification-4va7p1=Uuz4j8MkpGFjBjYBqvNGNuK46
apple-domain-verification=FBF7Yx9o3htFHZ7m
facebook-domain-verification=8kvuco8ljlv8t1aedswjypctrp1pk3
google-site-verification=7kTMmLFa8kfzTFffAv659zZAhSvDX5lqnB_yuST-xLY
google-site-verification=BUF9CkP4-zm7sN2rDSq6NGRiEkrvvh2k3UdQxwSusrU
google-site-verification=sHrvDlgokhtbjBWsn8Dhu616EFRRv8GD0C1AU4_1gl4
google-site-verification=y1w1HGdtmQcg92Uy4JtubYkFtDDshCwmDXTFCgjpr-Y
hibp-verify=dweb_9nibj6s7woei7t5h43qd3yni
canva-site-verification=JW5MeXNqA7ezvjIRgLOPaQ
MS=ms10049948
onetrust-domain-verification=4bc2331ed4d24c81b7be278e6e1fb58b
_globalsign-domain-verification=Ca9ol7KyPTrPtyGjL1BqGx_wv6SymozDmCXhHJveUr
ZOOM_verify_G7FwqtyEKLkoQGhA3ifQq5
v=spf1 include:_spf.google.com include:sendgrid.net include:aspmx.sailthru.com include:mail.zendesk.com exists:%{i}._spf.mta.salesforce.com include:mg-spf.greenhouse.io -all
globalsign-domain-verification=qV_5Us2mt6FO1Ig5hnG4kYHESYAxuH5-qZ0cRXC-Ig
_globalsign-domain-verification=e70UZqvudGByIeilV8oO0gubBZi0P7QLakTxKub-zS
yahoo-verification-key=h5B5VELNOFcyiRDJQWEiNChg+SeClI9Bk9k9daiRPR4=
google-site-verification=Jiabx8hC-zV0E8-hAj40dHCY_oWNIvfqkNe7VFnGbCs
cl_verification=a568671a-6112-4bc5-997d-1f06d8389b2e
botify-site-verification=sGRcFNKzIkHzx1jtsQ7YkiT8hgWB6RiU
CAA{'type': 'CAA', 'issue': 'letsencrypt.org', 'critical': 0}
{'type': 'CAA', 'issue': 'amazon.com', 'critical': 0}
{'type': 'CAA', 'issue': 'certainly.com', 'critical': 0}
{'type': 'CAA', 'issue': 'pki.goog', 'critical': 0}
{'type': 'CAA', 'issue': 'digicert.com', 'critical': 0}
{'type': 'CAA', 'iodef': 'mailto:it@khanacademy.org', 'critical': 0}
{'type': 'CAA', 'issue': 'globalsign.com', 'critical': 0}
{'type': 'CAA', 'issue': 'godaddy.com', 'critical': 0}
RegistrationGoDaddy.com, LLC
registrarGoDaddy.com, LLC
registered2006-03-14
expires2029-03-14
last changed2026-08-12
nameserversns-1489.awsdns-58.org
ns-125.awsdns-15.com
ns-1664.awsdns-16.co.uk
ns-798.awsdns-35.net
statusclient delete prohibited
client renew prohibited
client transfer prohibited
client update prohibited
registered 2006-03-14expires 2029-03-14
HTTPS certificate176 days left
validyes
issuerAmazon
coverskhanacademy.org, salkhan.com, www.youcanlearnanything.org, www.conacademy.com, es.pixarinabox.org, www.kahnacademy.com, pt.pixarinabox.com, youcanlearnanything.org, conacademy.com, pixarinabox.com, www.salkhan.com, camp.khankids.org
protocolTLSv1.3
issued 2026-10-12expires 2027-04-27
DNSSECinsecure

Domain is not signed with DNSSEC

. → org → khanacademy.org
Email authenticationexcellent
SPFpass v=spf1 include:_spf.google.com include:sendgrid.net include:aspmx.sailthru.com include:mail.zendesk.com exists:%{i}._spf.mta.salesforce.com include:mg-spf.greenhouse.io -all
DMARCpass policy reject
DKIMfound: google, k1, s1, s2

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

Security scoregrade A · 180/205
Basic Security
20/40missing: DNSSEC Enabled
Record Security
45/45missing: DKIM Presence
Advanced Security
20/25missing: IPv6 Support
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 14 lookups
SURBL MultidomainURIBL MultidomainSpamCop3.167.88.13Barracuda3.167.88.13UCEPROTECT Level 13.167.88.13SpamCop3.167.88.27Barracuda3.167.88.27UCEPROTECT Level 13.167.88.27SpamCop3.167.88.54Barracuda3.167.88.54UCEPROTECT Level 13.167.88.54SpamCop3.167.88.86Barracuda3.167.88.86UCEPROTECT Level 13.167.88.86

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=khanacademy.org" \ -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=khanacademy.org"

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

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

Watch khanacademy.org. 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