Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
qcholdings.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 10:49:35 UTC · ↺ Refresh
MX Hostnames
- qcholdings-com.mail.protection.outlook.com
MX Priorities
- qcholdings-com.mail.protection.outlook.com: 10
A / AAAA Records
- 208.84.176.63 (no PTR)
Mail Server IPs
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-02.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-02.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns1-02.azure-dns.com
ns2-02.azure-dns.net
ns3-02.azure-dns.org
ns4-02.azure-dns.info
SPF Record
✓ Strict (-all)
v=spf1 ip4:135.84.68.123 ip4:158.228.129.79 ip4:104.43.200.81 ip4:40.122.74.241 ip4:174.4.2.52 ip4:23.99.132.66 ip4:20.104.70.26 ip4:174.4.132.193 ip4:20.116.12.23 ip4:20.104.70.26 ip4:20.109.235.48 ip4:40.86.126.173 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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
6 records- nordpass-domain-verification=bea4ceb2c3824dcddcc8d0903dbb41eebd7a72a456fcf9cee93aca2bcb6d676c
- cloudflare_dashboard_sso=d2eb01bcc6861f1cd1ee093f01cc954e
- MS=ms32706724
- SPFv=spf1 ip4:135.84.68.123 ip4:158.228.129.79 ip4:104.43.200.81 ip4:40.122.74.241 ip4:174.4.2.52 ip4:23.99.132.66 ip4:20.104.70.26 ip4:174.4.132.193 ip4:20.116.12.23 ip4:20.104.70.26 ip4:20.109.235.48 ip4:40.86.126.173 include:spf.protection.outlook.com -all
- 9a04fe179545e49ca06dce6050465592e841025e1cd8b469a90808e71f9df03f
- apple-domain-verification=MqWeb3V4nfv74TUIw1AnEmRi16m1FCeQChxkPReuNAw
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