Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alpine4.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 04:36:46 UTC · ↺ Refresh
MX Hostnames
- alpine4-com.mail.protection.outlook.com
MX Priorities
- alpine4-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.131.16.17 (no PTR)
Mail Server IPs
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
june.ns.cloudflare.com dns.cloudflare.com 2399380841 10000 2400 604800 1800
Primary NS (mname)
june.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399380841
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
patryk.ns.cloudflare.com
june.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:23.103.224.0/19 ip4:206.191.224.0/19 ip4:40.103.0.0/16 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=0; adkim=s; aspf=s; rua=mailto:[email protected],mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]
⚠ Policy applies to 0% of failing messages only
DKIM Selectors
✓ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
4 records- MS=ms95569911
- facebook-domain-verification=c4elr3jfkk20wvfvxez1g6vqwiigbj
- google-site-verification=SqvS7QQWctMCVQ0purRSsgIjn6NPO6pJHlQHTT1vchE
- SPFv=spf1 ip4:23.103.224.0/19 ip4:206.191.224.0/19 ip4:40.103.0.0/16 include:spf.protection.outlook.com -all
Full email verification for alpine4.com
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