Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
vaultbio.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 04:21:42 UTC · ↺ Refresh
MX Hostnames
- vaultbio-com.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 104.26.6.213
- 104.26.7.213
- 172.67.69.64
- 2606:4700:20::ac43:4540
- 2606:4700:20::681a:6d5
- 2606:4700:20::681a:7d5
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
newt.ns.cloudflare.com
venus.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a ip4:184.182.185.248/30 include:spf.secureserver.net include:spf.protection.outlook.com include:_spf.salesforce.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 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
5 records- openai-domain-verification=dv-nE5uhNrq9vFHj8n0PK2xgnnx
- SPFv=spf1 a ip4:184.182.185.248/30 include:spf.secureserver.net include:spf.protection.outlook.com include:_spf.salesforce.com -all
- ca3-db84c42659c0458e8cde88e9c3d2e235
- google-site-verification=VAOjvBBD7qaE61GmJ72ZVFUZwc0SqPhjcyBeYcRhFSw
- o40ro16b9ot6p3g83nofkq4ap8
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