Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
credocc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 20:29:42 UTC · ↺ Refresh
MX Hostnames
- credocc-com.mail.protection.outlook.com
MX Priorities
- credocc-com.mail.protection.outlook.com: 0
A / AAAA Records
- 23.165.0.72 ↩ aapsa.sentryserver.cloud
Mail Server IPs
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
dns400.cmsdefender.com mike.coughlin.co 2025020402 10800 3600 1209600 10800
Primary NS (mname)
dns400.cmsdefender.com
Admin Email (rname)
mike@coughlin.co
Serial
2025020402
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
dns100.cmsdefender.com
dns200.cmsdefender.com
dns300.cmsdefender.com
dns400.cmsdefender.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 include:credocc.com.spf.auto.dnssmarthost.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
1 record- SPFv=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 include:credocc.com.spf.auto.dnssmarthost.net ~all
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