How is a2z.com?

Be careful risk 20/100

Registered 32 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

32 years

registered 1994-12-08

Blocklists

listings across 2 lists

Everything we looked at

DNS records3 record types

MX	10 amazon-smtp.amazon.com
NS	ns-1279.awsdns-31.org ns-255.awsdns-31.com ns-767.awsdns-31.net ns-1791.awsdns-31.co.uk
TXT	adobe-idp-site-verification=b6bcd3e5aaffc63607c8bf75744d9a0d1febc50dd7f389428e2ae476c9ba8814 bluebeam-verification=o7ephw7qhovex0wxlrk0bzz0ldfkqf atlassian-domain-verification=ZT4AapXgobCpXIWoNcd7gtMjZyOUdr4EDFMnFUWrqqqgdaQVbDvoGpRaIwj/tgPH spf2.0/pra include:amazon.com -all v=spf1 include:amazon.com -all TS1760027

RegistrationMarkMonitor Inc.

registrar	MarkMonitor Inc.
registered	1994-12-08
expires	2027-04-16
last changed	2026-03-18
owner	Amazon Technologies, Inc.
nameservers	ns-1279.awsdns-31.org ns-1791.awsdns-31.co.uk ns-255.awsdns-31.com ns-767.awsdns-31.net
status	client delete prohibited client transfer prohibited client update prohibited server delete prohibited server transfer prohibited server update prohibited

registered 1994-12-08expires 2027-04-16

HTTPS certificatenot valid

valid	no
problem	Could not resolve host (ENODATA)

DNSSECinsecure

Domain is not signed with DNSSEC

. → com → a2z.com

Email authenticationgood

SPF	pass `v=spf1 include:amazon.com -all`
DMARC	pass policy quarantine
DKIM	none of 1 common selectors

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

Security scoregrade B · 140/190

Basic Security

20/40missing: DNSSEC Enabled

Record Security

30/45missing: CAA Records, DKIM Presence

Advanced Security

10/25missing: Mail Server Configuration, SOA Record 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=a2z.com" \ -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=a2z.com"

MCP: add https://how.is/mcp to Claude, Codex or Cursor (one-line install) and ask for domain_trust on a2z.com. Reference: /llms.txt.

Watch a2z.com. 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