HOW.IS
?

How is umbrella.com?

Looks fine risk 0/100

Registered 32 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 338 ms.

Why

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

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

How umbrella.com looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
200
338 ms · ends at umbrella.cisco.com
HTTPS
87 d
left on a Let's Encrypt certificate
Age
32 years
registered 1994-10-26
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records5 record types
A67.215.70.200
MX20 ALT1.ASPMX.L.GOOGLE.com
20 ALT2.ASPMX.L.GOOGLE.com
10 ASPMX.L.GOOGLE.com
30 ASPMX3.GOOGLEMAIL.com
30 ASPMX2.GOOGLEMAIL.com
NSauth2.opendns.com
auth3.opendns.com
auth1.opendns.com
TXTidentrust_validate=OposiSpcTDwPLefBUEJyAJP8m3xBr8OfPcslmIDmj7DR
adobe-idp-site-verification=b35d54b9d9328dffa8c91f4d19b17ee8935ad8cf86aed72d168a472f6c250233
identrust_validate=UiBF9Ox1vDa3uJmF2sIarmne+fzUgSh9ajrO3RyyGPaq
v=spf1 -all
_3u3rfl29hcdbo1b7rbl05zsgjo7mfj9
google-site-verification=0imT49JhH4gh9MNXxnGcCC-ZwNkuQ8rP1BkdTMEV_UY
google-site-verification=PARxcI0BVhSZSwU8f519xoO9On7gfgcCpV3Zgi2kznE
Ao7lF2JIQb4mRR0wSBUZEI3Ubg
CAA{'type': 'CAA', 'issue': 'digicert.com', 'critical': 0}
{'type': 'CAA', 'issue': 'awstrust.com', 'critical': 0}
{'type': 'CAA', 'issue': 'letsencrypt.org', 'critical': 0}
{'type': 'CAA', 'issue': 'amazon.com', 'critical': 0}
{'type': 'CAA', 'issue': 'quovadisglobal.com', 'critical': 0}
{'type': 'CAA', 'issue': 'amazonaws.com', 'critical': 0}
{'type': 'CAA', 'issue': 'amazontrust.com', 'critical': 0}
{'type': 'CAA', 'issue': 'identrust.com', 'critical': 0}
RegistrationPDR Ltd. d/b/a PublicDomainRegistry.com
registrarPDR Ltd. d/b/a PublicDomainRegistry.com
registered1994-10-26
expires2027-10-25
last changed2026-10-11
nameserversauth1.opendns.com
auth2.opendns.com
auth3.opendns.com
statusclient transfer prohibited
registered 1994-10-26expires 2027-10-25
HTTPS certificate87 days left
validyes
issuerLet's Encrypt
coversamp4e.com, cisco.umbrella.com, dnscrypt.opendns.com, events.umbrella.com, get.cloudlock.com, info-staging.opendns.com, info.opendns.com, info.umbrella.com, opendns.org, resources.umbrella.com, umbrella.com, umbrella.opendns.com
protocolTLSv1.2
issued 2026-10-29expires 2027-01-27
DNSSECinsecure

Domain is not signed with DNSSEC

. → com → umbrella.com
Email authenticationfair
SPFpass v=spf1 -all
DMARCwarning policy none
DKIMnone of 1 common selectors

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

Security scoregrade B · 163/205
Basic Security
10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security
38/45missing: DMARC Record, DKIM Presence
Advanced Security
20/25missing: IPv6 Support
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 5 lookups
SURBL MultidomainURIBL MultidomainSpamCop67.215.70.200Barracuda67.215.70.200UCEPROTECT Level 167.215.70.200

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=umbrella.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=umbrella.com"

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

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

Watch umbrella.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