Domain Overview
DNS: ✓ 20d ago
Checker: ✓ 20d ago
discoverslu.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 03:40:24 UTC · ↺ Refresh
MX Hostnames
- mxa-00311b01.gslb.pphosted.com
- mxb-00311b01.gslb.pphosted.com
MX Priorities
- mxb-00311b01.gslb.pphosted.com: 10
- mxa-00311b01.gslb.pphosted.com: 10
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 148.163.146.233 ↩ mx0a-00311b01.pphosted.com
- 148.163.142.205 ↩ mx0b-00311b01.pphosted.com
SOA Record
Raw SOA
ns1-09.azure-dns.com dnsadmin.vulcan.com 21 900 600 1209600 3600
Primary NS (mname)
ns1-09.azure-dns.com
Admin Email (rname)
dnsadmin@vulcan.com
Serial
21
Refresh
900s
Retry
600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns4-09.azure-dns.info
ns1-09.azure-dns.com
ns2-09.azure-dns.net
ns3-09.azure-dns.org
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; 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
2 records- MS=ms84238687
- google-site-verification=bKOBjerlyZK8UthVYpMJrtUD5m2A33ftHndcgIK9TXQ
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