Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sharpenergy.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 05:44:53 UTC · ↺ Refresh
MX Hostnames
- mxb-0035f801.gslb.pphosted.com
- mxa-0035f801.gslb.pphosted.com
MX Priorities
- mxa-0035f801.gslb.pphosted.com: 10
- mxb-0035f801.gslb.pphosted.com: 10
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 148.163.139.250 ↩ mx0b-0035f801.pphosted.com
- 148.163.135.250 ↩ mx0a-0035f801.pphosted.com
SOA Record
Raw SOA
ns1-06.azure-dns.com hostmaster 2021081671 1200 600 1209600 3600
Primary NS (mname)
ns1-06.azure-dns.com
Admin Email (rname)
hostmaster
Serial
2021081671
Refresh
1200s
Retry
600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns2-06.azure-dns.net
ns3-06.azure-dns.org
ns4-06.azure-dns.info
ns1-06.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 include:39783524.spf05.hubspotemail.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
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
1 record- SPFv=spf1 include:39783524.spf05.hubspotemail.net -all
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