Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
marklewistax.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 20:50:58 UTC · ↺ Refresh
MX Hostnames
- marklewistax-com.mail.protection.outlook.com
MX Priorities
- marklewistax-com.mail.protection.outlook.com: 0
A / AAAA Records
- 64.20.52.174 (no PTR)
Mail Server IPs
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
SOA Record
Raw SOA
plesk2500a.trouble-free.net samer.interserver.net 2026010801 10800 3600 604800 10800
Primary NS (mname)
plesk2500a.trouble-free.net
Admin Email (rname)
samer@interserver.net
Serial
2026010801
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
plesk2500b.trouble-free.net
plesk2500a.trouble-free.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.protection.outlook.com -all
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