HOW.IS
?

How is cdngslb.com?

Be careful risk 20/100

Registered 8 years ago, on no blocklists we checked, no valid HTTPS certificate, the site did not answer (timed out).

Why

02050100
finecarefulhigh risk
  • +20No valid HTTPS certificate.

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

Site
down
timed out
HTTPS
invalid
Connection timed out
Age
8 years
registered 2018-09-10
Blocklists
0
listings across 4 lists; 1 did not answer

Everything we looked at

DNS records4 record types
A115.238.23.241
NSns2.cdngslb.com
ns1.cdngslb.com
TXT_globalsign-domain-verification=6ycPVq1L4LLL6-06gpgyuomKHfvxxz1gzIZHa1ZtNc
v=spf1 -all
_globalsign-domain-verification=i19iqPhUcMzWHyLz1WoluKg_zcjVwJhEwItfHTAaEm
CAA{'type': 'CAA', 'issue': 'globalsign.com', 'critical': 0}
RegistrationAlibaba Cloud Computing (Beijing) Co., Ltd.
registrarAlibaba Cloud Computing (Beijing) Co., Ltd.
registered2018-09-10
expires2030-09-10
last changed2026-08-19
nameserversns1.cdngslb.com
ns2.cdngslb.com
statusclient transfer prohibited
server delete prohibited
server transfer prohibited
server update prohibited
registered 2018-09-10expires 2030-09-10
HTTPS certificatenot valid
validno
problemConnection timed out
DNSSECinsecure

Domain is not signed with DNSSEC

. → com → cdngslb.com
Email authenticationpoor
SPFpass v=spf1 -all
DMARCnone
DKIMnone of 1 common selectors

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

Security scoregrade B · 145/205
Basic Security
10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security
30/45missing: DMARC Record, DKIM Presence
Advanced Security
10/25missing: Mail Server Configuration, IPv6 Support
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 5 lookups
SURBL MultidomainURIBL MultidomainSpamCop115.238.23.241Barracuda115.238.23.241UCEPROTECT Level 1115.238.23.241

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=cdngslb.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=cdngslb.com"

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

Watch cdngslb.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