Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
quantitax.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 00:48:01 UTC · ↺ Refresh
MX Hostnames
- quantitax-com.mail.protection.outlook.com
MX Priorities
- quantitax-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.236.116.153 ↩ 172-236-116-153.ip.linodeusercontent.com
Mail Server IPs
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
SOA Record
Raw SOA
betty.ns.cloudflare.com dns.cloudflare.com 2399077888 10000 2400 604800 1800
Primary NS (mname)
betty.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399077888
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
betty.ns.cloudflare.com
julian.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
selector1._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
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- google-site-verification=MlvFGvzFE9T4MoO7vZkI9zIpPrEGmuLMdhE9kaNnG74
Full email verification for quantitax.com
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