Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
planefax.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 18:04:21 UTC · ↺ Refresh
MX Hostnames
- planefax-com.mail.protection.outlook.com
MX Priorities
- planefax-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.66.242 (no PTR)
- 172.67.165.225 (no PTR)
- 2606:4700:3031::ac43:a5e1
- 2606:4700:3035::6815:42f2
Mail Server IPs
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
SOA Record
Raw SOA
agustin.ns.cloudflare.com dns.cloudflare.com 2397319198 10000 2400 604800 1800
Primary NS (mname)
agustin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397319198
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
agustin.ns.cloudflare.com
dorthy.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.constantcontact.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
4 records- MS=ms17544867
- google-site-verification=C_RlAmbkag6D11jIQZ3Y2k6qFsTI55RCmMZ-NY2u4Ug
- pax8validate
- SPFv=spf1 include:spf.protection.outlook.com include:spf.constantcontact.com -all
Full email verification for planefax.com
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