How is criteo.net?

Be careful risk 20/100

Registered 21 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

21 years

registered 2005-06-17

Blocklists

listings across 2 lists

Everything we looked at

DNS records4 record types

MX	0 criteo-net.mail.protection.outlook.com
NS	ns1.criteo.com ns2.criteo.com
TXT	v=spf1 redirect=criteo.com _sr5muefog6daedc2vxhdbsgdmmopj9h MS=ms56019665
CAA	{'type': 'CAA', 'issue': 'digicert.com', 'critical': 0}

RegistrationGandi SAS

registrar	Gandi SAS
registered	2005-06-17
expires	2035-06-17
last changed	2025-08-20
owner	CRITEO TECHNOLOGY
nameservers	ns1.criteo.com ns2.criteo.com
status	client transfer prohibited server delete prohibited server transfer prohibited server update prohibited

registered 2005-06-17expires 2035-06-17

HTTPS certificatenot valid

valid	no
problem	Could not resolve host (ENODATA)

DNSSECinsecure

Domain is not signed with DNSSEC

. → net → criteo.net

Email authenticationexcellent

SPF	warning `v=spf1 redirect=criteo.com`
DMARC	pass policy reject
DKIM	found: selector1, selector2

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

Security scoregrade B · 143/190

Basic Security

10/40missing: DNSSEC Enabled, Nameserver Diversity

Record Security

38/45missing: SPF Record, DKIM Presence

Advanced Security

15/25missing: Mail Server Configuration, IPv6 Support

Domain Reputation

35/35

Threat Detection

45/45missing: 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=criteo.net" \ -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=criteo.net"

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

Watch criteo.net. 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