Domain Overview
DNS: ✓ 1h ago
Checker: ✓ 1h ago
michaelmsullivan.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-06-25 13:24:11 UTC · ↺ Refresh
MX Hostnames
- michaelmsullivan-com.mail.protection.outlook.com
MX Priorities
- michaelmsullivan-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.159.109 (no PTR)
- 104.21.58.120 (no PTR)
- 2606:4700:3031::ac43:9f6d
- 2606:4700:3035::6815:3a78
Mail Server IPs
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
colette.ns.cloudflare.com dns.cloudflare.com 2406699792 10000 2400 604800 1800
Primary NS (mname)
colette.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2406699792
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
colette.ns.cloudflare.com
louis.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; sp=quarantine; 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
✗ None detectedNo 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
4 records- MS=ms18787614
- google-site-verification=Cgs7AoCKmkjEYrMYrqTHKneb9h6XJ0SO5lB292S48LQ
- google-site-verification=emAIpGR0IpzCm-G6-ZI3uEqPc7R9txRj7_fGLOxB8uI
- SPFv=spf1 include:spf.protection.outlook.com -all
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