Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
amsofusa.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 08:40:44 UTC · ↺ Refresh
MX Hostnames
- amsofusa-com.mail.protection.outlook.com
MX Priorities
- amsofusa-com.mail.protection.outlook.com: 10
A / AAAA Records
- 107.0.143.150 ↩ www.amsofusa.com
Mail Server IPs
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
ns81.worldnic.com namehost.worldnic.com 125121823 10800 3600 604800 3600
Primary NS (mname)
ns81.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125121823
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns81.worldnic.com
ns82.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:107.0.143.141/32 ip4:107.0.143.131/32 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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 ip4:107.0.143.141/32 ip4:107.0.143.131/32 -all
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