Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
zoltek.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 23:43:21 UTC · ↺ Refresh
MX Hostnames
- zoltek-com.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 160.153.0.23
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns38.domaincontrol.com
ns37.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.google.com include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
11 records- docusign=73a932b8-c5ad-40ac-8579-043ebef35310
- atlassian-domain-verification=vALRNEaYmLh5Int25QrEX20aymk5hBKwGvaWdMNP2lFncOqmfofPg5D7efXXDnbN
- YaCsFFpJIUgQiLh0Op9J8dkgUK+nuXj+DA8NyEScI9vE6RaPgOUKdqsxAtXYzI1pYrRGcgKu9BwNYZyrYWfNiw==
- apple-domain-verification=92rUVoz1vLnFJqh0
- google-site-verification=5glOKnKTB6UEARb8FwRP0cL5yeIflV79eq3qeJebm-U
- 3ae1f906-9d1e-495c-acf9-715f6f3c938d
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.google.com include:_spf.psm.knowbe4.com -all
- google-site-verification=ZO15529PLj92vMGXh0fg3tKmO741c-zn9pcruHdlaIA
- atlassian-sending-domain-verification=a06fd9c1-f8d8-4338-b80c-5e75a052660c
- 20bd3c36mb2ntse2m1fkep41fl
- MS=ms52619260
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