How is estuary.icu?

High risk risk 65/100

Registered 11 days ago, on no blocklists we checked, no valid HTTPS certificate, the site did not answer (SSLCertVerificationError).

Why

02050100

finecarefulhigh risk

+40Registered 11 days ago; most phishing domains are under a month old.
+5Young domain with its owner hidden behind privacy protection.
+20No valid HTTPS certificate.

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

Site

down

SSLCertVerificationError

HTTPS

invalid

certificate not read

Age

11 days

registered 2026-10-23

Blocklists

listings across 4 lists; 1 did not answer

Everything we looked at

DNS records4 record types

A	172.232.24.161 172.234.25.42 172.232.24.235
MX	10 mail.pacimuc1.top
NS	ns2.dnsowl.com ns3.dnsowl.com ns1.dnsowl.com
TXT	v=spf1 a:mail.pacimuc1.top -all

RegistrationNameSilo, LLC

registrar	NameSilo, LLC
registered	2026-10-23
expires	2027-10-23
last changed	2026-10-23
owner	See PrivacyGuardian.org
nameservers	ns1.dnsowl.com ns2.dnsowl.com ns3.dnsowl.com
status	server transfer prohibited client transfer prohibited

registered 2026-10-23expires 2027-10-23

HTTPS certificatenot valid

valid	no
issuer	Let's Encrypt
covers	estuary.icu
protocol	TLSv1.3

issued 2026-10-23expires 2027-01-21

DNSSECinsecure

Domain is not signed with DNSSEC

. → icu → estuary.icu

Email authenticationgood

SPF	pass `v=spf1 a:mail.pacimuc1.top -all`
DMARC	warning policy none
DKIM	found: dkim

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 · 11 lookups

SURBL MultidomainURIBL MultidomainSpamCop172.234.25.42Barracuda172.234.25.42UCEPROTECT Level 1172.234.25.42SpamCop172.232.24.235Barracuda172.232.24.235UCEPROTECT Level 1172.232.24.235SpamCop172.232.24.161Barracuda172.232.24.161UCEPROTECT Level 1172.232.24.161

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=estuary.icu" \ -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=estuary.icu"

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

IPv6. Does estuary.icu work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.

Watch estuary.icu. 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