qcttw.com

Valid Email Server
Domain Lookup › qcttw.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
qcttw.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-14 01:49:16 UTC · ↺ Refresh

MX Hostnames

  • qcttw-com.mail.protection.outlook.com
  • mail.qcttw.com
  • qcttwcas02.qcttw.com

MX Priorities

  • mail.qcttw.com: 10
  • qcttw-com.mail.protection.outlook.com: 0
  • qcttwcas02.qcttw.com: 20

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
  • 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
  • 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
  • 60.248.18.93 ↩ 60-248-18-93.hinet-ip.hinet.net

SOA Record

Raw SOA ns73.domaincontrol.com dns.jomax.net 2021101500 28800 7200 604800 600
Primary NS (mname)
ns73.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2021101500
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns74.domaincontrol.com
ns73.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • i9zfbz6syW/ofVQsGVw40i0a6RZzztVdxM9Wma0KhpB8HwIfLcmKTrNqDeeClVx6LR0ffwIZVl857A+KpVrs2w==
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • TwInrdN/IpOi12JeyKaxK+i+P7q2ikUxHXPtoao8pqc/Sq0/+8aBPYqWVlWMpTyeNzpmAWTxtg4Z2Cujf42UOQ==
Full email verification for qcttw.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits