Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
speerair.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 06:52:14 UTC · ↺ Refresh
MX Hostnames
- speerair-com.mail.protection.outlook.com
MX Priorities
- speerair-com.mail.protection.outlook.com: 10
A / AAAA Records
- 104.21.0.248 (no PTR)
- 172.67.151.128 (no PTR)
- 2606:4700:3030::6815:f8
- 2606:4700:3031::ac43:9780
Mail Server IPs
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
elle.ns.cloudflare.com dns.cloudflare.com 2399467384 10000 2400 604800 1800
Primary NS (mname)
elle.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399467384
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
elle.ns.cloudflare.com
eric.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx mx:mail.sbsnet.com ip4:96.47.75.0/24 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
3 records- SPFv=spf1 mx mx:mail.sbsnet.com ip4:96.47.75.0/24 include:spf.protection.outlook.com -all
- MS=ms59880343
- google-site-verification=zFzfvILtnUkOrEAYnDeU_0xxzxXDXIovr1rX62M0mtg
Full email verification for speerair.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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