HOW.IS
?

How is volcfcdndvs.com?

Be careful risk 20/100

Registered 5 years ago, no valid HTTPS certificate, the site did not answer (OSError).

Why

02050100
finecarefulhigh risk
  • +20No valid HTTPS certificate.

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

Site
down
OSError
HTTPS
invalid
Could not resolve host (ENODATA)
Age
5 years
registered 2021-08-27
Blocklists
0
listings across 2 lists

Everything we looked at

DNS records1 record types
NSns2.bytedns.com
ns-mobile.bytedns.com
ns-unicom.bytedns.com
ns-telecom.bytedns.com
ns1.bytedns.com
RegistrationAlibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn)
registrarAlibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn)
registered2021-08-27
expires2027-08-27
last changed2026-07-23
nameserversns-mobile.bytedns.com
ns-telecom.bytedns.com
ns-unicom.bytedns.com
ns1.bytedns.com
ns2.bytedns.com
statusactive
registered 2021-08-27expires 2027-08-27
HTTPS certificatenot valid
validno
problemCould not resolve host (ENODATA)
DNSSECinsecure

Domain is not signed with DNSSEC

. → com → volcfcdndvs.com
Email authenticationpoor
SPFnone
DMARCnone
DKIMnone of 1 common selectors

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

Security scoregrade D · 80/190
Basic Security
10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security
0/45missing: CAA Records, SPF Record, DMARC Record, DKIM Presence
Advanced Security
10/25missing: Mail Server Configuration, IPv6 Support
Domain Reputation
35/35
Threat Detection
25/45missing: DGA Detection, Domain Age Check
Blocklists0 listings · 2 lookups
SURBL MultidomainURIBL Multidomain

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=volcfcdndvs.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=volcfcdndvs.com"

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

Watch volcfcdndvs.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