amstrow.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
amstrow.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 13:31:27 UTC · ↺ Refresh

MX Hostnames

  • amstrow-com.mail.protection.outlook.com

MX Priorities

  • amstrow-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 92.205.93.127 (no PTR)

Mail Server IPs

  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.blacknight.com hostmaster.blacknight.com 1276051205 14400 7200 2419200 3600
Primary NS (mname)
ns1.blacknight.com
Admin Email (rname)
hostmaster@blacknight.com
Serial
1276051205
Refresh
14400s
Retry
7200s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

ns1.blacknight.com
ns2.blacknight.com
ns4.blacknight.com
ns3.blacknight.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:sendgrid.net ip4:63.33.64.169 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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:sendgrid.net ip4:63.33.64.169 ~all
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