HOW.IS
?

How is sedo.com?

Looks fine risk 0/100

Registered 28 years ago, on no blocklists we checked, valid HTTPS, the site answered HTTP 503.

Why

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

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

Site
503
477 ms
HTTPS
161 d
left on a Sectigo Limited certificate
Age
28 years
registered 1998-09-11
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records6 record types
A212.227.177.112
AAAA2001:8d8:105:1::42
MX10 smtp.google.com
NSns-94.awsdns-11.com
ns-602.awsdns-11.net
ns-1886.awsdns-43.co.uk
ns-1267.awsdns-30.org
TXTgoogle-site-verification=8uJcQXW3LsFEqHiLpA18McpRT4bJS6eBQPFAQ4Kj7Ic
r3ccbsx7j9v9n8bvbm4dqgw73jm4x3xp
anthropic-domain-verification-gy6wnc=xY46ihVCqLVyVaSdgbpKRKWXY
rE85eeop7dd00eAFfc/HgrbUCrBX6FwJmxMlDxlnmgQ=
MS=ms55056334
figma-domain-verification=a3ddfd69785ee6f27ccae0e977ec3919827a57ed709c676396f67b3edfbf6912-1771590892
atlassian-domain-verification=FCDST1GQ0VvGyxjvxQroqvrJS29ScsaJeyIV6CIFJ3R8OXvCIOA4Q9oHRn1r3xy6
T3rgs27Olf3Lbgee5k7IXX5DKmM2n04EcYo4SNg0TjrreGvX+rnrTlH2CvmJ/I3D7RLcdzKsdtXE9RvlvFLBOw==
browserstack-domain-verification=b778765f-50d3-47d2-9afd-01a1078be5ed
google-site-verification=AIVRx1bBWOj6FYBC80XEaYaxck-tbIKBhZvdKArrEXs
slack-domain-verification=BPZEvKtLSInJuE7N59lov6L8PF7IpXq5d3JyTsaE
cloudflare-verify.sedo.com 392261755-193351576
miro-verification=af36c9d77426387eb63d0676fc57d2ed17cab1ca
amazonses:VDUkXNdWJ2Q5GVWqVsYSnfhGIFzuuhqP4da64VaML64=
_globalsign-domain-verification=xJ2v0pyn3zUHVes0S7J4bIx3lwuX2PjSmXAe2n7BMK
apple-domain-verification=Pk1cOgY1ZNjFIRhx
atlassian-domain-verification=QcxPc4vuaZsCUz3cLrIH16dECUuWXE4HAj7ga7AKswkBnGdN1NslOSrtkF4ldG6J
v=spf1 include:sedo_com._es.easydmarc.com ~all
canva-site-verification=FdZnXKRpmM7cMpkWAkFtpg
knowbe4-site-verification=ea92e091b44a2e728b98725e65e73528
google-site-verification=oh4IjwrGPpXM7tGUNiJ03BJjnjGsfvxoW8gVeCbZZ34
CAA{'type': 'CAA', 'iodef': 'mailto:core-support@sedo.com', 'critical': 0}
{'type': 'CAA', 'issue': 'letsencrypt.org', 'critical': 0}
{'type': 'CAA', 'issue': 'digicert.com', 'critical': 0}
{'type': 'CAA', 'issue': 'sectigo.com', 'critical': 0}
RegistrationWorld4You Internet Services GmbH
registrarWorld4You Internet Services GmbH
registered1998-09-11
expires2027-09-10
last changed2026-10-27
nameserversns-1267.awsdns-30.org
ns-1886.awsdns-43.co.uk
ns-602.awsdns-11.net
ns-94.awsdns-11.com
statusclient transfer prohibited
registered 1998-09-11expires 2027-09-10
HTTPS certificate161 days left
validyes
issuerSectigo Limited
coverssedo.com, *.sedo.com
protocolTLSv1.3
issued 2026-10-01expires 2027-04-07
DNSSECinsecure

Domain is not signed with DNSSEC

. → com → sedo.com
Email authenticationexcellent
SPFpass v=spf1 include:sedo_com._es.easydmarc.com ~all
DMARCpass policy quarantine
DKIMfound: google

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: Mail Server Configuration
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 5 lookups
SURBL MultidomainURIBL MultidomainSpamCop212.227.177.112Barracuda212.227.177.112UCEPROTECT Level 1212.227.177.112

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=sedo.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=sedo.com"

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

Watch sedo.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