Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nationalshuttersystem.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 12:58:27 UTC · ↺ Refresh
MX Hostnames
- nationalshuttersystem-com.mail.protection.outlook.com
MX Priorities
- nationalshuttersystem-com.mail.protection.outlook.com: 0
A / AAAA Records
- 108.179.232.69 ↩ frunocr.com
Mail Server IPs
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns8489.hostgator.com dnsadmin.gator4245.hostgator.com 2026020201 86400 7200 3600000 86400
Primary NS (mname)
ns8489.hostgator.com
Admin Email (rname)
dnsadmin@gator4245.hostgator.com
Serial
2026020201
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns8489.hostgator.com
ns8490.hostgator.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:websitewelcome.com include:outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 237 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx include:websitewelcome.com include:outlook.com ~all
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