Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
frontiergroupco.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 19:17:38 UTC · ↺ Refresh
MX Hostnames
- ms95825798.msv1.invalid
- frontiergroup.mail.protection.office365.us
MX Priorities
- frontiergroup.mail.protection.office365.us: 0
- ms95825798.msv1.invalid: 32767
A / AAAA Records
- 18.220.214.113 ↩ whm002.searchcontrol.com
Mail Server IPs
- 23.103.199.170 ↩ mail-cy1usg020170.inbound.protection.outlook.com
- 23.103.199.138 ↩ mail-bn3usg020138.inbound.protection.outlook.com
- 2001:489a:2202:5::10 ↩ mail-cy1usg020010.inbound.protection.outlook.com
- 2001:489a:2202:4::10 ↩ mail-bn3usg020010.inbound.protection.outlook.com
SOA Record
Raw SOA
ns11.domaincontrol.com dns.jomax.net 2025110500 28800 7200 604800 600
Primary NS (mname)
ns11.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025110500
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns12.domaincontrol.com
ns11.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.office365.us -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:spf.protection.office365.us -all
- MS=ms95825798
- DrdT/irNA2uYCKVgruUlDaPKdcE6jdfu7J/lxhGfqUvq8bo3Xj3Lfb6L8Ymskmlzu0+yI9eN6670j0JIovHuFw==
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