How is alura.com.br?

Looks fine risk 0/100

Registered 13 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 455 ms.

Why

02050100

finecarefulhigh risk

·Nothing in the checks added risk.

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

The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.

Site

200

455 ms · ends at www.alura.com.br

HTTPS

73 d

left on a Google Trust Services certificate

Age

13 years

registered 2013-05-22

Blocklists

listings across 5 lists

Everything we looked at

DNS records5 record types

A	172.67.68.147 104.26.0.170 104.26.1.170
AAAA	2606:4700:20::ac43:4493 2606:4700:20::681a:1aa 2606:4700:20::681a:aa
MX	0 alura-com-br.mail.protection.outlook.com
NS	matt.ns.cloudflare.com gina.ns.cloudflare.com
TXT	google-site-verification=FUqHNmtqBJ7Ii2s6BIsIUvOC6h8bH6l64PEbz807Lpo MS=ms74797954 MS=ms74989007 openai-domain-verification=dv-eDATGvDEXpF9W4ibGgbPziLF google-site-verification=4SUcPWRB6vktxKfkLPjt9yPb8uYp3kCIBdrExRPX9Xs adobe-idp-site-verification=dacdbcd4cfc568b49039c6ba495089321c312d1e271b1ec94f8511d1664d0a68 MS=ms31789095 lovable_verification=KW5tb7GfDJr8HiNYzv6w v=spf1 include:spf0.alura.com.br ~all MS=48EF15B2A81504F4CE7F453F19238433643DCD78

Registrationregistrar not reported

registered	2013-05-22
expires	2027-05-22
last changed	2021-02-06
country	BR
nameservers	gina.ns.cloudflare.com matt.ns.cloudflare.com
status	active

registered 2013-05-22expires 2027-05-22

HTTPS certificate73 days left

valid	yes
issuer	Google Trust Services
covers	alura.com.br, *.alura.com.br
protocol	TLSv1.3

issued 2026-10-13expires 2027-01-11

DNSSECsecure

Domain is properly signed — chain validated by an independent validating resolver

. → br → com.br → alura.com.br

Email authenticationexcellent

SPF	pass `v=spf1 include:spf0.alura.com.br ~all`
DMARC	pass policy quarantine
DKIM	found: google, s1, s2

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

Security scoregrade B · 155/205

Basic Security

10/40missing: DNSSEC Enabled, Nameserver Diversity

Record Security

30/45missing: CAA Records, DKIM Presence

Advanced Security

20/25missing: Mail Server Configuration

Domain Reputation

50/50

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 11 lookups

SURBL MultidomainURIBL MultidomainSpamCop104.26.1.170Barracuda104.26.1.170UCEPROTECT Level 1104.26.1.170SpamCop172.67.68.147Barracuda172.67.68.147UCEPROTECT Level 1172.67.68.147SpamCop104.26.0.170Barracuda104.26.0.170UCEPROTECT Level 1104.26.0.170

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=alura.com.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=alura.com.br"

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

Watch alura.com.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