Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
heat-xfer.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-04 17:41:25 UTC · ↺ Refresh
MX Hostnames
- mxa-0015e101.gslb.pphosted.com
- mxb-0015e101.gslb.pphosted.com
MX Priorities
- mxb-0015e101.gslb.pphosted.com: 10
- mxa-0015e101.gslb.pphosted.com: 10
A / AAAA Records
- 204.74.99.100 ↩ crs.ultradns.net
Mail Server IPs
- 67.231.156.16 ↩ mx0b-0015e101.pphosted.com
SOA Record
Raw SOA
pdns73.ultradns.com dns\.admin.emcorgroup.com 2023092792 86400 86400 86400 86400
Primary NS (mname)
pdns73.ultradns.com
Admin Email (rname)
dns\@admin.emcorgroup.com
Serial
2023092792
Refresh
86400s
Retry
86400s
Expire
86400s
Minimum TTL
86400s
Nameservers (NS)
pdns73.ultradns.com
pdns73.ultradns.net
pdns73.ultradns.org
pdns73.ultradns.biz
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
📊 DNS lookups: 1/10
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
7 records- dell-technologies-domain-verification=heat-xfer.com_a3e39ba0-6840-46b8-82b1-aa14f4367818_1721244445
- docusign=2661ca2a-e0be-4b30-9f8e-3ba58c03b49f
- autodesk-domain-verification=0upccwij_xkIR4fBI_8X
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
- box-domain-verification=1837d4df1d95264c229b75bbcecc9361709518db1ad15fab82f2389b0ae12cc3
- adobe-idp-site-verification=67a68b3f0da4c6a4fe2cedef66d4bae0542bb7532810528a841887ce1e14c4db
- amazon-business-verification=acc84d66f82d60648223653bb10542dbe2e71d02a58d0fb513891890f68f5a7f
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