Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
guardianfueltech.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 20:41:14 UTC · ↺ Refresh
MX Hostnames
- mxa-00966001.gslb.pphosted.com
- mxb-00966001.gslb.pphosted.com
MX Priorities
- mxa-00966001.gslb.pphosted.com: 0
- mxb-00966001.gslb.pphosted.com: 0
A / AAAA Records
- 185.230.63.107 ↩ unalocated.63.wixsite.com
Mail Server IPs
- 148.163.155.220 ↩ mx0b-00966001.pphosted.com
SOA Record
Raw SOA
craig.ns.cloudflare.com dns.cloudflare.com 2398558658 10000 2400 604800 1800
Primary NS (mname)
craig.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398558658
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
journey.ns.cloudflare.com
craig.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-us.emailsignatures365.com include:spf-00966001.pphosted.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected], mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
6 records- SPFv=spf1 include:spf.protection.outlook.com include:spf-us.emailsignatures365.com include:spf-00966001.pphosted.com -all
- bw=nfV1Ve5MJFywxLsXHKZl4hv2siB4mqYq8rcoGpOMFOD0
- google-site-verification=1GFG47t2VwseJSLUCccYGO56J7NORJBwgy4fxJJjhNs
- have-i-been-pwned-verification=dweb_f9ilx9dk05gzegdkqctyr630
- smartsheet-site-validation=EHo-RS0KeWW72-aZ0gbre7t0pa0a6EjS
- twilio-domain-verification=0cd9cb0efe976a3031f4b0409bf46ac4
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