Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
enspireforenterprise.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 10:08:37 UTC · ↺ Refresh
MX Hostnames
- mxb-002d2f01.gslb.pphosted.com
- mxa-002d2f01.gslb.pphosted.com
MX Priorities
- mxb-002d2f01.gslb.pphosted.com: 10
- mxa-002d2f01.gslb.pphosted.com: 10
A / AAAA Records
- 172.210.91.137 (no PTR)
Mail Server IPs
- 148.163.151.184 ↩ mx0a-002d2f01.pphosted.com
- 148.163.155.132 ↩ mx0b-002d2f01.pphosted.com
SOA Record
Raw SOA
ns1.constellationhbs.com dnsadmin.constellationhbs.com 20260119 10800 3600 1209600 10800
Primary NS (mname)
ns1.constellationhbs.com
Admin Email (rname)
dnsadmin@constellationhbs.com
Serial
20260119
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
ns5.constellationhbs.com
ns2.constellationhbs.com
ns3.constellationhbs.com
ns4.constellationhbs.com
ns1.constellationhbs.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com a:smtp-out-1.constellationhbs.com include:mktomail.com include:_spf.salesforce.com include:spf-002d2f01.pphosted.com include:_spf.atlassian.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → 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
7 records- apple-domain-verification=8KWyQd8COIoXlH1A
- MS=ms15501388
- cursor-domain-verification-cdpmqe=oTISY8DyFNDO8HGUghgPIv09o
- google-site-verification=99GUd7lxJQTGP58rdrHF3tYU9wLnasa4uDdYAtad-Sw
- atlassian-domain-verification=cAhL4KEV6J1Du0av2CJtD5ItfxiTy1O92Xlsct6ZhpvDndaDLMVKvmvcinATqlSX
- SPFv=spf1 include:spf.protection.outlook.com a:smtp-out-1.constellationhbs.com include:mktomail.com include:_spf.salesforce.com include:spf-002d2f01.pphosted.com include:_spf.atlassian.net -all
- knowbe4-site-verification=d997d8ca4b7df835fc2dd6092326953e
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for enspireforenterprise.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits