Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
reganstein.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 11:26:22 UTC · ↺ Refresh
MX Hostnames
- reganstein-com.mail.protection.outlook.com
MX Priorities
- reganstein-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.178.96 (no PTR)
- 104.21.91.194 (no PTR)
Mail Server IPs
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
arnold.ns.cloudflare.com dns.cloudflare.com 2399022348 10000 2400 604800 1800
Primary NS (mname)
arnold.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399022348
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
arnold.ns.cloudflare.com
heather.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
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 237 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms66828468
- SPFv=spf1 include:spf.protection.outlook.com -all
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