Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
f1s.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 18:55:04 UTC · ↺ Refresh
MX Hostnames
- f1s-com.mail.protection.outlook.com
MX Priorities
- f1s-com.mail.protection.outlook.com: 10
A / AAAA Records
- 198.211.100.231 ↩ 361761.cloudwaysapps.com
Mail Server IPs
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.registrar-servers.com hostmaster.registrar-servers.com 1769788245 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1769788245
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s
Nameservers (NS)
dns1.registrar-servers.com
dns2.registrar-servers.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:55f0rzrx18.powerspf.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=0;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 0% of failing messages only
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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- atlassian-domain-verification=TgG5zMNLZ5zLcXdTjWU0srOdp8XulQ0PXpBUKIyWjvrFV1no49FnSwiM6hbdDJCU
- apple-domain-verification=GrrmAIEN1QN428ph
- SPFv=spf1 include:55f0rzrx18.powerspf.com ~all
- logmein-verification-code=uNLCiCFB6rYwCVYENJBOtqkBI
- Foxit-domain-verification=5dc293341633d626636014dcbfcb2fda
- atlassian-sending-domain-verification=75a94a72-eef6-4d8a-9987-dbafefed70fc
- ARvvUDwPL4YTa6Q5h0C8HLGffQ7RNhvdTAT38bWHCjqWXuJmiY40IqApMvau+wEdNSPfMQlIf9daoZ53XjAAYQ==
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