Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mtmercy.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 00:06:22 UTC · ↺ Refresh
MX Hostnames
- mtmercy-edu.mail.protection.outlook.com
MX Priorities
- mtmercy-edu.mail.protection.outlook.com: 10
A / AAAA Records
- 216.21.12.248 ↩ customer.ipv4.totaluptime.com
Mail Server IPs
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns10.digicertdns.com dns.digicertdns.com 2009012519 43200 3600 1209600 180
Primary NS (mname)
ns10.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009012519
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns15.digicertdns.net
ns14.digicertdns.net
ns13.digicertdns.net
ns10.digicertdns.com
ns11.digicertdns.com
ns12.digicertdns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_allow1.mtmercy.edu include:_allow2.mtmercy.edu -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=s;adkim=s;fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- adobe-idp-site-verification=09b0bb1a-5dbb-4fba-a948-ef798be6bbb3
- MS=ms61003211
- _zp7twbf6zn4l3mpe2jzyfftlsv8g6k5
- SPFv=spf1 include:spf.protection.outlook.com include:_allow1.mtmercy.edu include:_allow2.mtmercy.edu -all
- amazon-business-verification=8b26f92137d3cee95eb3b52af8db829aa3a30f95ca57012f8feaddbe7b77e001
- docusign=9f183ec1-6d16-4b1c-8e4e-d887cd166a51
- reuLbZCKSIKVevkYqtly3pBodB4tPZ8YOq4oWMepRrf0EeKq9CXmQWcagllmq4/XubYFbBQFMzuY4IDU1jkohg==
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