Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mcdco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 18:41:01 UTC · ↺ Refresh
MX Hostnames
- mcdco-com.mail.protection.outlook.com
MX Priorities
- mcdco-com.mail.protection.outlook.com: 0
A / AAAA Records
- 34.205.47.235 ↩ ec2-34-205-47-235.compute-1.amazonaws.com
Mail Server IPs
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns63.worldnic.com namehost.worldnic.com 126031109 10800 3600 604800 3600
Primary NS (mname)
ns63.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031109
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns63.worldnic.com
ns64.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:servers.mcsv.net ip4:50.232.130.242 include:spf.protection.outlook.com include:spf.mandrillapp.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; sp=quarantine; fo=1; pct=100; ri=86400; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ 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- 0ed1fe018a6af2bf61986b4be0b1e52572f5e31cab
- SPFv=spf1 include:servers.mcsv.net ip4:50.232.130.242 include:spf.protection.outlook.com include:spf.mandrillapp.com -all
- Asp-spf2.yardi.com
- MS=ms60231282
- Asp-spf1.yardi.com
Full email verification for mcdco.com
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