Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
quesco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 04:14:24 UTC · ↺ Refresh
MX Hostnames
- quesco-com.mail.protection.outlook.com
MX Priorities
- quesco-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.36.10 (no PTR)
- 172.67.182.177 (no PTR)
- 2606:4700:3032::6815:240a
- 2606:4700:3037::ac43:b6b1
Mail Server IPs
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
cass.ns.cloudflare.com dns.cloudflare.com 2400075483 10000 2400 604800 1800
Primary NS (mname)
cass.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400075483
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
cass.ns.cloudflare.com
randall.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:secureserver.net ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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
3 records- NETORGFT833252.onmicrosoft.com
- google-site-verification=R2w-2y3LO-tJx-MHbjWuek3EqeIQEgYdfRReR31Ffik
- SPFv=spf1 include:secureserver.net ~all
Full email verification for quesco.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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