HOW.IS
?

How is pbs.org?

Looks fine risk 0/100

Registered 32 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 375 ms.

Why

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

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

How pbs.org looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
200
375 ms · ends at www.pbs.org
HTTPS
60 d
left on a Let's Encrypt certificate
Age
32 years
registered 1995-04-19
Blocklists
0
listings across 4 lists; 1 did not answer

Everything we looked at

DNS records5 record types
A54.225.206.152
54.225.198.196
MX10 pbs-org.mail.protection.outlook.com
NSns-1230.awsdns-25.org
ns-1674.awsdns-17.co.uk
ns-193.awsdns-24.com
ns-806.awsdns-36.net
TXTJr4+zjA9dTLAFxFkcph9AFpTVWwXq7oMKDgVMkankOriEatYCDuzU/WQK2Gyuees8j7z+OBI98TsF/2xXAhtPg==
MS=ms14905487
MS=ms58428140
ZOOM_verify_mEujaWwm5dMExViFaHNZl9
anthropic-domain-verification-3bj3y3=FaFrOgE4p15xv9e00c1EN3u1w
atlassian-domain-verification=xXbRj/JToaVlStqe/9rvbIVJTPvROKeb7MXvPsaCwdD2tFWAkq9Or0u9ShJlSkYu
atlassian-domain-verification=xsGmA8QYmOMhZ9YdIm9bQMseNYOXvOKmciPOg2aD23hRgnwYXpzEmaiylLvY1oaz
atlassian-sending-domain-verification=2c13394a-b258-4d38-a457-eab648b5e0aa
brevo-code:ba178c29138917649adaeb118f884b18
cisco-ci-domain-verification=25f97f6c108aa08314f1a41d1202369fb654e43cf29250ed77249b269d97995a
d365mktkey=5jhrhdpz5qtqb8ppw9nm95rnw
detectify-verification=1583bf00b85b6570195c4ec81a2625ae
docusign=12c0f1de-fcbf-4461-bcc9-57cfcbee1e1a
facebook-domain-verification=hxcquifih7vsf9z0u39e2t2ks317j6
google-site-verification=1q7KpRbb72jFQk6X7jgmKIrfzb1DZBeRtaXtkuNua-Y
google-site-verification=38943G797swQqVx4L2quzrbny_CcmFOjx0qzJPAwhTY
google-site-verification=5gDTeKSkUctitTQInZRfAr78uxoKDfDJCysJrCkPfeo
google-site-verification=8yJvWAgyzPHlrdB5CGCDjTq0raQf861mwEGE25P_FLQ
google-site-verification=T2_cy5E9wKg4wpYbEb4t5m-SX0Uxz00XrgwueP1jOhU
google-site-verification=cB2-sH4zbNRhFrpCGjSWpojYsgGosef904g_gI5VLnI
google-site-verification=oB2RzGB5K77Yaia4d4yRU9YzfxQGpGwUE-mS6Npl9OI
google-site-verification=oiiWhKuvkmnM080OtUGP2jT-CexdhCkATjyELBh7Odk
have-i-been-pwned-verification=dweb_jzhg1z2wr7iv7l7mue5f6t0k
iContact1760978
jamf-site-verification=x93BcUJuSLY95ywfogHLgQ
openai-domain-verification=dv-My8fClm9MqKjWAexRtqOWtV1
pardot963303=eb019aebebc852309d6358ac3aec298343b66ab28978dc28037464aced4c60d1
pdq-domain-verification=NP4n68pln458
postman-domain-verification=53d20208c464282ca428dcbd1fbb5b5dde64c4403e704b3e0b41d0c1b115e42012182805567ee40404850c49601fef4553a95bbce02df02cb09136c208abd48f
status-page-domain-verification=g90gln3s127q
tollbit-domain-verification=cf1bd6a46c1d6b8fb731af6e314086e4d5af03dbcfa9f1b358065cde028c618b
v=spf1 include:_u.pbs.org._spf.smart.ondmarc.com ~all
CAA{'type': 'CAA', 'issue': 'amazon.com', 'critical': 0}
{'type': 'CAA', 'issue': 'digicert.com', 'critical': 0}
{'type': 'CAA', 'issue': 'letsencrypt.org', 'critical': 0}
{'type': 'CAA', 'issue': 'pki.goog', 'critical': 0}
{'type': 'CAA', 'issue': 'sectigo.com', 'critical': 0}
{'type': 'CAA', 'issue': 'ssl.com', 'critical': 0}
RegistrationCSC Corporate Domains, Inc.
registrarCSC Corporate Domains, Inc.
registered1995-04-19
expires2027-04-20
last changed2026-08-12
ownerPublic Broadcasting Service
nameserversns-1230.awsdns-25.org
ns-1674.awsdns-17.co.uk
ns-193.awsdns-24.com
ns-806.awsdns-36.net
statusclient transfer prohibited
registered 1995-04-19expires 2027-04-20
HTTPS certificate60 days left
validyes
issuerLet's Encrypt
coverspbs.org, www.pbs.org
protocolTLSv1.3
issued 2026-09-29expires 2026-12-28
DNSSECinsecure

Domain is not signed with DNSSEC

. → org → pbs.org
Email authenticationexcellent
SPFpass v=spf1 include:_u.pbs.org._spf.smart.ondmarc.com ~all
DMARCpass policy reject
DKIMfound: selector1, k1, s1, s2

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

Security scoregrade A · 175/205
Basic Security
20/40missing: DNSSEC Enabled
Record Security
45/45missing: DKIM Presence
Advanced Security
15/25missing: Mail Server Configuration, IPv6 Support
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 8 lookups
SURBL MultidomainURIBL MultidomainSpamCop54.225.198.196Barracuda54.225.198.196UCEPROTECT Level 154.225.198.196SpamCop54.225.206.152Barracuda54.225.206.152UCEPROTECT Level 154.225.206.152

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=pbs.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=pbs.org"

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

Watch pbs.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