Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
national-lumber.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 19:11:48 UTC · ↺ Refresh
MX Hostnames
- nationallumber-com02b.mail.protection.outlook.com
MX Priorities
- nationallumber-com02b.mail.protection.outlook.com: 10
A / AAAA Records
- 208.85.0.68 ↩ monsterzero.avesi.com
Mail Server IPs
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
udns2.cscdns.uk hostmaster.cscdns.net 2024012612 86400 86400 86400 60
Primary NS (mname)
udns2.cscdns.uk
Admin Email (rname)
hostmaster@cscdns.net
Serial
2024012612
Refresh
86400s
Retry
86400s
Expire
86400s
Minimum TTL
60s
Nameservers (NS)
udns2.cscdns.uk
udns1.cscdns.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:50.231.239.232/29 ip4:209.104.246.112/28 include:spf.protection.outlook.com include:_spf.prod.hydra.sophos.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
4 records- SPFv=spf1 ip4:50.231.239.232/29 ip4:209.104.246.112/28 include:spf.protection.outlook.com include:_spf.prod.hydra.sophos.com -all
- MS=ms67242917
- knowbe4-site-verification=604c26ea69550073eea75bf697e7dcb6
- sophos-domain-verification=ce8ef56a39e78fcd63acd4033d36875781735676
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