Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nationalmediaservices.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 03:59:46 UTC · ↺ Refresh
MX Hostnames
- nationalmediaservices-com.mail.protection.outlook.com
MX Priorities
- nationalmediaservices-com.mail.protection.outlook.com: 0
A / AAAA Records
- 199.16.172.50 (no PTR)
Mail Server IPs
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.nationalmediaservices.com mike.nationalmediaservices.com 2026031203 3600 1800 1209600 86400
Primary NS (mname)
ns1.nationalmediaservices.com
Admin Email (rname)
mike@nationalmediaservices.com
Serial
2026031203
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.nationalmediaservices.com
ns1.nationalmediaservices.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; adkim=s; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._domainkey
✓ Public key: 392 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
4 records- aghfijv3lmuq2f4apac6i3kv19
- 45rn53u1o1r19gg3smalvofp7i
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms84328499
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