Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
archstoneunited.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-07-27 16:43:20 UTC · ↺ Refresh
MX Hostnames
- archstoneunited-com.mail.protection.outlook.com
MX Priorities
- archstoneunited-com.mail.protection.outlook.com: 0
A / AAAA Records
- 208.91.197.27 (no PTR)
Mail Server IPs
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns77.worldnic.com namehost.worldnic.com 125061012 10800 3600 604800 3600
Primary NS (mname)
ns77.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125061012
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns78.worldnic.com
ns77.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
3 records- MS=ms12345678
- SPFv=spf1 include:spf.protection.outlook.com -all
- google-site-verification=utGX9mTE9mdGnavVGgqqx6xC-hUPgYpeaoqRjcue-Rg
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