HOW.IS
?

How is 1rx.io?

Be careful risk 20/100

Registered 11 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
11 years
registered 2015-05-28
Blocklists
0
listings across 2 lists

Everything we looked at

DNS records4 record types
MX1 1rx-io.mail.protection.outlook.com
NSdns2.p05.nsone.net
dns1.p05.nsone.net
dns3.p05.nsone.net
dns4.p05.nsone.net
TXTMS=ms57593688
v=spf1 include:spf.protection.outlook.com -all
CAA{'type': 'CAA', 'issue': 'letsencrypt.org', 'critical': 0}
{'type': 'CAA', 'critical': 0, 'issuewild': 'letsencrypt.org'}
{'type': 'CAA', 'issue': 'sectigo.com', 'critical': 0}
{'type': 'CAA', 'critical': 0, 'issuewild': 'sectigo.com'}
RegistrationGoDaddy.com, LLC
registrarGoDaddy.com, LLC
registered2015-05-28
expires2028-05-28
last changed2026-08-12
ownerDomains By Proxy, LLC
nameserversdns1.p05.nsone.net
dns2.p05.nsone.net
dns3.p05.nsone.net
dns4.p05.nsone.net
statusactive
registered 2015-05-28expires 2028-05-28
HTTPS certificatenot valid
validno
problemCould not resolve host (ENODATA)
DNSSECinsecure

Domain is not signed with DNSSEC

. → io → 1rx.io
Email authenticationpoor
SPFpass v=spf1 include:spf.protection.outlook.com -all
DMARCnone
DKIMnone of 1 common selectors

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

Security scoregrade B · 135/190
Basic Security
10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security
30/45missing: DMARC 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=1rx.io" \ -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=1rx.io"

MCP: add https://how.is/mcp to Claude, Codex or Cursor (one-line install) and ask for domain_trust on 1rx.io. Reference: /llms.txt.

Watch 1rx.io. 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