Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
introba.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-20 21:29:19 UTC · ↺ Refresh
MX Hostnames
- introba-com.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 172.67.69.215
- 104.26.13.175
- 104.26.12.175
- 2606:4700:20::681a:daf
- 2606:4700:20::681a:caf
- 2606:4700:20::ac43:45d7
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ali.ns.cloudflare.com
zeus.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:199.247.48.194 ip4:204.236.228.179 ip4:199.247.48.195 ip4:199.247.48.196 ip4:208.98.213.41 ip4:208.98.213.42 include:spf.protection.outlook.com include:spf.uk.exclaimer.net include:spf.tylin.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; sp=reject; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
5 records- _k6i1nm0rg7g0d4y1xyc0gdesg4hzmvc
- _rjeiposjurzeu52zshv4m85agnbq2vq
- _ws8nw8cuvdo8oa99lddljl44dor0l5n
- knowbe4-site-verification=99716a68e4f9df8cfac843cb62cc1559
- SPFv=spf1 ip4:199.247.48.194 ip4:204.236.228.179 ip4:199.247.48.195 ip4:199.247.48.196 ip4:208.98.213.41 ip4:208.98.213.42 include:spf.protection.outlook.com include:spf.uk.exclaimer.net include:spf.tylin.com -all
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