Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
us.nlmk.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-20 22:12:14 UTC · ↺ Refresh
MX Hostnames
- us-nlmk-com.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 178.248.238.79
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns4.us-csg.net
ns5.us-csg.net
ns2.us-csg.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:74.218.96.40/29 ip4:74.219.105.174 ip4:65.155.158.218 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ 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=ms83426381
- dIfDSTPrt0/Rcjpbw06MR1jixG8fLIM7YjeN/5RRarKqvbeIWSvWH0RAbsbG3QunN3YgU4QlMRI/IVyRAhxs0g==
- SPFv=spf1 include:spf.protection.outlook.com ip4:74.218.96.40/29 ip4:74.219.105.174 ip4:65.155.158.218 -all
- 21du80ku2qq4pvnppms1nkagcc
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