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Email infrastructure of worldcat.org

According to Live Direct Marketing's daily DNS scan (July 13, 2026), worldcat.org (Tranco rank #3,795) publishes no classifiable email DNS records. Its DMARC policy is p=quarantine — one of the minority (47%) of DMARC publishers that actually enforce.

Mailbox provider (MX)no MX / not classified
ESPs in SPFnone detected
SaaS senders in SPFnone detected
DMARC policyp=quarantine
DMARC recordv=DMARC1; p=quarantine; sp=none; rua=mailto:4bb67a13@mxtoolbox.dmarc-report.com,mailto:f578c61671d7302@rep.dmarcanalyzer.com; ruf=mailto:4bb67a13@forensics.dmarc-report.com,mailto:f578c61671d7302@for.dmarcanalyzer.com; fo=1
Tranco rank#3,795
Snapshot2026-07-13 (updated daily)

Frequently asked questions

What email provider does worldcat.org use?

worldcat.org has no classifiable MX record as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.

Does worldcat.org enforce DMARC?

Partially — worldcat.org publishes p=quarantine (as of July 13, 2026).

DNS records say who should deliver your mail — they don't say whether it lands in the inbox. Run a free inbox placement test for worldcat.org at Gmail, Outlook, Yandex and Mail.ru.
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