How is skyhigh.cloud?

Looks fine risk 0/100

Registered 6 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 309 ms.

Why

02050100

finecarefulhigh risk

·Nothing in the checks added risk.

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

The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.

Site

200

309 ms · ends at www.skyhighsecurity.com

HTTPS

94 d

left on a Sectigo Limited certificate

Age

6 years

registered 2021-02-15

Blocklists

listings across 5 lists

Everything we looked at

DNS records4 record types

A	3.11.206.231
MX	30 alt2.us.email.fireeyecloud.com 40 alt3.us.email.fireeyecloud.com 10 primary.us.email.fireeyecloud.com 20 alt1.us.email.fireeyecloud.com
NS	ns1.saasprotection.com ns2.saasprotection.com
TXT	v=spf1 include:_s00883747.autospf.email ~all _globalsign-domain-verification=xXSYlIUurnPd4DacGKOpbl7wnPoREGZCZYI2UNe2Zk google-site-verification=CB1sgNtgGRnqLyzkxXxHQwYvtuncRSX3FFcsP6MScio

RegistrationCSC Corporate Domains, Inc.

registrar	CSC Corporate Domains, Inc.
registered	2021-02-15
expires	2027-02-15
last changed	2026-02-13
owner	Musarubra US LLC
nameservers	ns1.saasprotection.com ns2.saasprotection.com
status	client transfer prohibited

registered 2021-02-15expires 2027-02-15

HTTPS certificate94 days left

valid	yes
issuer	Sectigo Limited
covers	www.skyhigh.cloud, skyhigh.cloud, test.skyhigh.cloud
protocol	TLSv1.3

issued 2026-01-28expires 2027-01-28

DNSSECinsecure

Domain is not signed with DNSSEC

. → cloud → skyhigh.cloud

Email authenticationexcellent

SPF	pass `v=spf1 include:_s00883747.autospf.email ~all`
DMARC	pass policy reject
DKIM	found: google

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

Security scoregrade B · 155/205

Basic Security

10/40missing: DNSSEC Enabled, Nameserver Diversity

Record Security

30/45missing: CAA Records, 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 MultidomainSpamCop3.11.206.231Barracuda3.11.206.231UCEPROTECT Level 13.11.206.231

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=skyhigh.cloud" \ -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=skyhigh.cloud"

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

Watch skyhigh.cloud. 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