americannationalco.com

Domain Overview

DNS: ✓ 3d ago Checker: ✓ 3d ago

Domain

Valid Email Server

Yes

Has MX Records

✓ Yes

Email Provider

Outlook

Disposable

Free Provider

Role Account

⚠ Yes

Email Relay

Privacy Protected

Checked via [email protected] · 2026-05-18 11:45:16 UTC · ↺ Refresh

MX Hostnames

americannationalco-com.mail.protection.outlook.com

MX Priorities

americannationalco-com.mail.protection.outlook.com: 0

A / AAAA Records

192.185.183.188 ↩ 192-185-183-188.unifiedlayer.com

Mail Server IPs

52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com

SOA Record

                  Raw SOA
                  ns51.worldnic.com namehost.worldnic.com 126031913 10800 3600 604800 3600                

Primary NS (mname)

ns51.worldnic.com

Admin Email (rname)

namehost@worldnic.com

Serial

126031913

Refresh

10800s

Retry

3600s

Expire

604800s

Minimum TTL

3600s

Nameservers (NS)

                      ns52.worldnic.com                    

                      ns51.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

✗ Missing

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

DKIM Selectors

✗ None detected

No 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

SPFv=spf1 include:spf.protection.outlook.com -all
google-site-verification=_z5V4jR-HFv47kKJz7jM2n3qkk9NqcPAgvFgetgYSQs
MS=ms15786778

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