Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blackstonehc.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 22:28:31 UTC · ↺ Refresh
MX Hostnames
- mxb-0077b904.gslb.pphosted.com
- mxa-0077b904.gslb.pphosted.com
MX Priorities
- mxa-0077b904.gslb.pphosted.com: 5
- mxb-0077b904.gslb.pphosted.com: 5
A / AAAA Records
- 15.197.225.128 ↩ aec037177372cc6cd.awsglobalaccelerator.com
- 3.33.251.168 ↩ aec037177372cc6cd.awsglobalaccelerator.com
Mail Server IPs
- 148.163.154.29 ↩ mx0b-0077b904.pphosted.com
SOA Record
Raw SOA
ns01.domaincontrol.com dns.jomax.net 2026021000 28800 7200 604800 3600
Primary NS (mname)
ns01.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026021000
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns01.domaincontrol.com
ns02.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 include:_spfae.corpmailsvcs.com include:blackstonehc-com.spf.smtp25.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 include:_spfae.corpmailsvcs.com include:blackstonehc-com.spf.smtp25.com ~all
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