wbx2.com

wbx2.com · Last checked 2026-10-04 02:11 UTC

wbx2.com

At risk, with 4 things to fix

wbx2.com scored 24/100 (grade F). The main issues are no DMARC record and no SPF record, plus 2 more. Detected senders: Customer.io.

Checked 2026-10-04 02:11 UTC · fresh check

1 passed2 need attention2 failing3 for informationDetected senders: Customer.io
Fix this firstThe change with the biggest effect

Publish an SPF record

Lists the sending services detected for wbx2.com (Customer.io) and rejects everything else. Add any other service that sends as wbx2.com before publishing. Changes: Added include:mailgun.org for Customer.io.

TypeTXT
Name / Host
wbx2.com

Some DNS providers want “@” here instead of the full domain.

Value
v=spf1 include:mailgun.org -all

How to apply it

  1. Sign in where your domain’s DNS is managed. This is often where you bought the domain, such as Cloudflare, GoDaddy or Namecheap.
  2. Add a new TXT record with the name and value above.
  3. Save, then come back and re-check. DNS changes can take up to a few hours to show.

All checks

MXCan servers find your inbox?Mail relies on implicit A recordNeeds attention
  • Warning: Mail relies on implicit A record

    wbx2.com has no MX records, so senders fall back to its A/AAAA address (RFC 5321 implicit MX). Publish an explicit MX record, or a null MX ("0 .") if the domain should not receive mail.

SPFWho may send as you?No SPF recordFailing
  • Fail: No SPF record

    wbx2.com publishes no TXT record starting with "v=spf1", so receivers cannot tell which servers may send mail for it. Publish one SPF record listing every service that sends as wbx2.com.

    How to fix this
DKIMAre your emails signed?DKIM key shorter than 2048 bitsNeeds attention
  • Warning: DKIM key shorter than 2048 bits

    krs (1024-bit) uses an RSA key below 2048 bits. Short keys can be factored and some receivers treat them as weak. Rotate to a 2048-bit key at your sending provider.

  • Pass: DKIM key published

    wbx2.com publishes a DKIM key under krs.

DMARCWhat happens to fakes?No DMARC recordFailing
  • Fail: No DMARC record

    There is no v=DMARC1 TXT record at _dmarc.wbx2.com. Without DMARC, receivers have no policy for mail that fails SPF and DKIM, and Gmail and Yahoo require one for bulk senders. Start with p=none and a rua address to collect reports.

    How to fix this
AlignmentDoes it match your From?No issues foundPass

Nothing to report.

BIMICan inboxes show your logo?No BIMI recordInfo
  • Info: No BIMI record

    No BIMI record at default._bimi.wbx2.com. BIMI is optional: it shows your logo next to your mail in supporting inboxes once DMARC is enforced.

    How to fix this
MTA-STSIs mail to you encrypted?No MTA-STS recordInfo
  • Info: No MTA-STS record

    No MTA-STS record at _mta-sts.wbx2.com. MTA-STS (RFC 8461) makes sending servers require TLS and a valid certificate when delivering to you, which blocks downgrade attacks.

TLS-RPTWill you hear about failures?No TLS-RPT recordInfo
  • Info: No TLS-RPT record

    No TLS reporting record at _smtp._tls.wbx2.com. TLS-RPT (RFC 8460) tells senders where to send daily reports about failed encrypted deliveries to you.

    How to fix this

Other fixes

Publish a DMARC recordTXT

Starts DMARC in monitoring mode (p=none), so you can see who sends as wbx2.com before enforcing a policy. Move to quarantine once the reports show only your own services.

TypeTXT
Name / Host
_dmarc.wbx2.com

Some DNS providers want just “_dmarc” here.

Value
v=DMARC1; p=none; adkim=r; aspf=r

Set up a TLS report addressinstruction

Sending servers will report TLS failures when delivering to wbx2.com, which you need before enforcing MTA-STS. The address must accept TLS reports; a DMARC report address does not necessarily do so.

Applies to: _smtp._tls.wbx2.com

  1. Pick an address that will receive TLS reports: a mailbox you read (for example tls-reports@wbx2.com, created first) or a TLS reporting service. 2. Publish a TXT record at _smtp._tls.wbx2.com with the value v=TLSRPTv1; rua=mailto:<that address>.

Prepare BIMIinstruction

BIMI shows your logo next to messages in supporting inboxes, but only for mail that passes DMARC under an enforced policy.

Applies to: default._bimi.wbx2.com

  1. Enforce DMARC first: p=quarantine or p=reject at 100% (no pct below 100). 2. Convert your logo to an SVG Tiny PS file and host it over HTTPS, for example https://wbx2.com/bimi/logo.svg. 3. For Gmail and Apple Mail, obtain a VMC or CMC certificate for the logo. 4. Publish a TXT record at default._bimi.wbx2.com with v=BIMI1, l= set to the logo URL and a= set to the certificate URL.