Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
frontier.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 12:26:11 UTC · ↺ Refresh
MX Hostnames
- frontier-edu.mail.protection.outlook.com
MX Priorities
- frontier-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 199.16.172.138 (no PTR)
- 199.16.173.111 (no PTR)
Mail Server IPs
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.easydns.com zone.easydns.com 1772836394 43200 10800 604800 300
Primary NS (mname)
dns1.easydns.com
Admin Email (rname)
zone@easydns.com
Serial
1772836394
Refresh
43200s
Retry
10800s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
dns1.easydns.com
dns2.easydns.net
dns3.easydns.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:18.234.18.87 include:spf.protection.outlook.com ip4:176.31.145.254 ip4:206.107.42.254 ip4:206.107.42.249 include:spf.watermarkinsights.com include:emsd1.com include:mail.zendesk.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];ruf=mailto:[email protected];ri=14400;aspf=s;adkim=s;fo=0:1:d:s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
google._domainkey
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- canva-site-verification=Dwmqd7fTofzJYHsBZ5P6Mg
- SPFv=spf1 ip4:18.234.18.87 include:spf.protection.outlook.com ip4:176.31.145.254 ip4:206.107.42.254 ip4:206.107.42.249 include:spf.watermarkinsights.com include:emsd1.com include:mail.zendesk.com -all
- ad6d5cei3hpl7r3bp3nhmdn89e
Full email verification for frontier.edu
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