Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nationalbarn.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 10:27:25 UTC · ↺ Refresh
MX Hostnames
- nationalbarn-com.mail.protection.outlook.com
MX Priorities
- nationalbarn-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.172.20 (no PTR)
- 104.21.71.233 (no PTR)
- 2606:4700:3033::ac43:ac14
- 2606:4700:3033::6815:47e9
Mail Server IPs
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
SOA Record
Raw SOA
gloria.ns.cloudflare.com dns.cloudflare.com 2398400397 10000 2400 604800 1800
Primary NS (mname)
gloria.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398400397
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
oswald.ns.cloudflare.com
gloria.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:45.19.204.7 ip4:216.128.145.30 include:spf.protection.outlook.com exists:%{i}._spf.inkyphishfence.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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- google-site-verification=TNubFJ5FNAtiNomoX9LULUGwKRQrYCYo70eeyynbWp0
- SPFv=spf1 ip4:45.19.204.7 ip4:216.128.145.30 include:spf.protection.outlook.com exists:%{i}._spf.inkyphishfence.com -all
- <05.06.2025>
- MS=ms81249157
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