To see exactly what a 2021 record looked like, you can query historical DNS databases (like SecurityTrails or DNSdumpster) or use current queries (understanding that records may have slightly changed since 2021). Here is how:
In 2021, TXT records continue to play a crucial role in email services, including Hotmail.com (now Outlook.com). With the rise of cyber threats and email-based attacks, TXT records have become an essential tool for domain owners and email service providers.
By 2021, DMARC was fully enforced on hotmail.com . The DMARC policy is stored at _dmarc.hotmail.com . -hotmail.com txt 2021
"v=spf1 ip4:157.55.0.0/16 ip4:207.46.0.0/16 ip4:65.55.0.0/16 include:spf.protection.outlook.com include:spf-a.hotmail.com include:spf-b.hotmail.com include:spf-c.hotmail.com include:spf-d.hotmail.com -all"
v=spf1 include:spf.protection.outlook.com -all To see exactly what a 2021 record looked
Start with p=none to monitor, then move to p=quarantine , then p=reject . By 2021 standards, p=reject is the gold standard.
: This specific leak led to a surge in account takeovers throughout 2021, as many people reuse the same passwords across multiple platforms [3, 11]. How to Check if You Were Involved By 2021, DMARC was fully enforced on hotmail
Review your domain’s TXT records today. Compare them to the 2021 Hotmail standard. Is your SPF a hard fail ( -all )? Is your DMARC rejecting? If not, you are not keeping pace with the security baseline that Microsoft set for Hotmail back in 2021.