Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
guardianfireprotection.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 13:28:39 UTC · ↺ Refresh
MX Hostnames
- guardianfireprotection-com.mail.protection.outlook.com
MX Priorities
- guardianfireprotection-com.mail.protection.outlook.com: 1
A / AAAA Records
- 141.193.213.21 (no PTR)
- 141.193.213.20 (no PTR)
Mail Server IPs
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns7.worldnic.com namehost.worldnic.com 126030123 10800 3600 604800 3600
Primary NS (mname)
ns7.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126030123
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns7.worldnic.com
ns8.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:50.204.77.250 include:relay.mailchannels.net ip4:50.195.83.102 include:1i0id831b.spf.checkpoint-spf.com include:spf.protection.outlook.com include:_spf.intacct.com include:spfa.cpmails.com include:48217227.spf03.hubspotemail.net include:_spf.salesforce.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
4 records- wpe-verification=guardianfirepr
- intacct-esk=CC71C9BC5953F120E0539A220D0A95FF
- wpe-verification=guardianmd
- SPFv=spf1 ip4:50.204.77.250 include:relay.mailchannels.net ip4:50.195.83.102 include:1i0id831b.spf.checkpoint-spf.com include:spf.protection.outlook.com include:_spf.intacct.com include:spfa.cpmails.com include:48217227.spf03.hubspotemail.net include:_spf.salesforce.com -all
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