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Email infrastructure of tcd.ie

According to Live Direct Marketing's daily DNS scan (July 12, 2026), tcd.ie (Tranco rank #7,593) receives mail via Microsoft 365 and sends through MessageGears. Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.

Mailbox provider (MX)Microsoft 365
ESPs in SPFMessageGears
SaaS senders in SPFBlackboard
DMARC policyp=reject
DMARC recordv=DMARC1; p=reject; sp=none; rua=mailto:dmarc_agg@vali.email, mailto:5e71390ec666207@rep.dmarcanalyzer.com; ruf=mailto:5e71390ec666207@for.dmarcanalyzer.com; fo=1;
Tranco rank#7,593
Snapshot2026-07-12 (updated daily)

Frequently asked questions

What email provider does tcd.ie use?

tcd.ie uses Microsoft 365 for inbound mail (detected from its primary MX record) as of July 12, 2026, per Live Direct Marketing's daily Tranco top-1M scan.

What ESP does tcd.ie use?

tcd.ie authorises MessageGears in its SPF record as of July 12, 2026.

Does tcd.ie enforce DMARC?

Yes — tcd.ie publishes p=reject, the strictest DMARC policy (as of July 12, 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 tcd.ie at Gmail, Outlook, Yandex and Mail.ru.
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