Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
secondwind.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 08:33:45 UTC · ↺ Refresh
MX Hostnames
- secondwind-com.mail.protection.outlook.com
MX Priorities
- secondwind-com.mail.protection.outlook.com: 0
A / AAAA Records
- 192.254.225.146 ↩ 192-254-225-146.unifiedlayer.com
Mail Server IPs
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-hel.vaisala.com hostmaster.vaisala.com 2013102131 1200 180 604800 300
Primary NS (mname)
ns1-hel.vaisala.com
Admin Email (rname)
hostmaster@vaisala.com
Serial
2013102131
Refresh
1200s
Retry
180s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1-lou.vaisala.com
ns2-hel.vaisala.com
ns2-lou.vaisala.com
ns1-hel.vaisala.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms55778391
- SPFv=spf1 include:spf.protection.outlook.com -all
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