HOW.IS
?

How is caixa.gov.br?

Looks fine risk 0/100

Registered 29 years ago, on no blocklists we checked, valid HTTPS, the site did not answer (refused).

Why

02050100
finecarefulhigh risk
  • ·Nothing in the checks added risk.

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

Site
down
refused
HTTPS
32 d
left on a Sectigo Limited certificate
Age
29 years
registered 1997-08-20
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records5 record types
A200.201.165.27
MX0 caixa-gov-br.mail.protection.outlook.com
NSns3.aziondns.org
ns2.aziondns.com
ns1.aziondns.net
TXTv=spf1 a mx ip4:200.201.160.0/20 include:spf.protection.outlook.com -all
adobe-idp-site-verification=700e63dfd66b47a2b91a9458072ca4db0b2926afaa32c9a955948ee752224ee1
MS=ms68154571
qkNNtXT83jRgQauKLxNoyQASoiwF0SLIKq2IgbT3xbJj1W5UQvem81uvrAyHQEKMcv2FcsHFEsWuG4E6ozpM4Q==
google-site-verification=66mVnXDkLiLJ5689HU7P8zQ_dLTvIr-hiLwU00i6iDY
apple-domain-verification=rfau5dRZQZkyLiSU
google-gws-recovery-domain-verification=53708782
ms-domain-verification=4175ee7c-0239-42aa-9f72-19bf4a5d4baf
duo_sso_verification=lLygpEJP5sXQxq42hGmnR7kescgk5XzxImJ2zmeP81VtwJFIDoFJSOPbCpJEQgPQ
ms-domain-verification=eecc319f-3a30-43b4-a1bd-72119cfaa2a7
autodesk-domain-verification=DqVkp87YeJS8p6grikcX
ms-domain-verification=b455f1a1-7b0b-4b33-aacf-9330901abff3
google-site-verification=wj4gTZCMuUDm0ql48BN-Y1imnoHsrLpXDz8hxcLDsfw
CAA{'type': 'CAA', 'issue': 'globalsign.com', 'critical': 0}
{'type': 'CAA', 'issue': 'certificados.serpro.gov.br', 'critical': 0}
{'type': 'CAA', 'issue': 'serpro.gov.br', 'critical': 0}
{'type': 'CAA', 'issue': 'digicert.com', 'critical': 0}
{'type': 'CAA', 'issue': 'sectigo.com', 'critical': 0}
{'type': 'CAA', 'issue': 'usertrust.com', 'critical': 0}
{'type': 'CAA', 'issue': 'trust-provider.com', 'critical': 0}
Registrationregistrar not reported
registered1997-08-20
last changed2023-09-24
countryBR
nameserversns1.aziondns.net
ns2.aziondns.com
ns3.aziondns.org
statusactive
HTTPS certificate32 days left
validyes
issuerSectigo Limited
coverswww.caixa.gov.br, caixa.gov.br
protocolTLSv1.3
issued 2026-05-15expires 2026-11-29
DNSSECinsecure

Domain has DNSKEY but no DS record in parent zone

. → br → gov.br → caixa.gov.br
Email authenticationexcellent
SPFpass v=spf1 a mx ip4:200.201.160.0/20 include:spf.protection.outlook.com -all
DMARCpass policy quarantine
DKIMfound: selector1, selector2, dkim

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

Security scoregrade A · 175/205
Basic Security
20/40missing: DNSSEC Enabled
Record Security
45/45missing: DKIM Presence
Advanced Security
15/25missing: Mail Server Configuration, IPv6 Support
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 5 lookups
SURBL MultidomainURIBL MultidomainSpamCop200.201.165.27Barracuda200.201.165.27UCEPROTECT Level 1200.201.165.27

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=caixa.gov.br" \ -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=caixa.gov.br"

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

Watch caixa.gov.br. 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