HOW.IS
?

How is listcrawler.eu?

Not sure yet risk 10/100

On no blocklists we checked, valid HTTPS, the site answered 403 in 60 ms.

Why

02050100
finecarefulhigh risk
  • +10Could not read the domain's registration record.
  • ·Could not check registration; retry before trusting this domain.

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

How listcrawler.eu looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
403
60 ms
HTTPS
59 d
left on a Let's Encrypt certificate
Age
?
creation date not reported
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records4 record types
A172.66.152.158
104.20.38.180
MX10 mail.listcrawler.eu
NSdonovan.ns.cloudflare.com
amalia.ns.cloudflare.com
TXTprotonmail-verification=3b336a377269869274bd8a04626c848821b37d2b
google-site-verification=Pl5ozuMDUJJS7SqEcckqi1sCAHNn3jO5aeCm9WyXUVw
v=spf1 a mx ip4:37.48.73.64 ip4:185.17.144.145 ip4:5.79.70.244 ip4:81.171.2.169 ip4:212.32.240.180 ip4:37.48.120.188 ip4:5.79.113.224 ip4:81.171.24.155 ip4:37.48.87.250 ip4:37.48.120.16 ip4:37.48.87.189 ip4:84.16.227.146 include:_spf.protonmail.ch -all
google-site-verification=OzLukqOQ3eTou_qAPQ8-05KiDMyojjAMx3KvocdTFr4
Registrationregistrar not reported
HTTPS certificate59 days left
validyes
issuerLet's Encrypt
covers*.com.listcrawler.eu, *.listcrawler.eu, listcrawler.eu
protocolTLSv1.3
issued 2026-09-29expires 2026-12-28
DNSSECinsecure

Domain is not signed with DNSSEC

. → eu → listcrawler.eu
Email authenticationgood
SPFpass v=spf1 a mx ip4:37.48.73.64 ip4:185.17.144.145 ip4:5.79.70.244 ip4:81.171.2.169 ip4:212.32.240.180 ip4:37.48.120.188 ip4:5.79.113.224 ip4:81.171.24.155 ip4:37.48.87.250 ip4:37.48.120.16 ip4:37.48.87.189 ip4:84.16.227.146 include:_spf.protonmail.ch -all
DMARCwarning policy none
DKIMfound: mail, protonmail

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

Security scoregrade C · 143/205
Basic Security
10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security
23/45missing: CAA Records, DMARC Record, DKIM Presence
Advanced Security
15/25missing: Mail Server Configuration, IPv6 Support
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 8 lookups
SURBL MultidomainURIBL MultidomainSpamCop172.66.152.158Barracuda172.66.152.158UCEPROTECT Level 1172.66.152.158SpamCop104.20.38.180Barracuda104.20.38.180UCEPROTECT Level 1104.20.38.180

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=listcrawler.eu" \ -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=listcrawler.eu"

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

Watch listcrawler.eu. 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