Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
guildner.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 07:24:57 UTC · ↺ Refresh
MX Hostnames
- mxb-0027dc01.gslb.pphosted.com
- mxa-0027dc01.gslb.pphosted.com
MX Priorities
- mxb-0027dc01.gslb.pphosted.com: 20
- mxa-0027dc01.gslb.pphosted.com: 10
A / AAAA Records
- 192.252.146.16 ↩ s295.sureserver.com
Mail Server IPs
- 205.220.178.2 ↩ mx0b-0027dc01.pphosted.com
SOA Record
Raw SOA
dns0.domainsure.com zone.domainsure.com 1753730377 3600 600 604800 300
Primary NS (mname)
dns0.domainsure.com
Admin Email (rname)
zone@domainsure.com
Serial
1753730377
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
dns3.domainsure.org
dns1.domainsure.com
dns2.domainsure.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf-0027dc01.pphosted.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- google-site-verification=byPbLgkzVQfLLvLNjdNRaDFf02rSYPJHjenDqX7IQhI
- MS=ms62806256
- SPFv=spf1 include:spf-0027dc01.pphosted.com -all
Full email verification for guildner.com
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