heiser.com

Valid Email Server
Domain Lookup › heiser.com

Domain Overview

DNS: ✓ 3h ago Checker: ✓ 3h ago
heiser.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-07-02 15:46:09 UTC · ↺ Refresh

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MX Hostnames

  • heiser-com.mx2.arsmtp.com
  • heiser-com.mx1.arsmtp.com

MX Priorities

  • heiser-com.mx2.arsmtp.com: 20
  • heiser-com.mx1.arsmtp.com: 10

A / AAAA Records

  • 74.119.99.3 (no PTR)

Mail Server IPs

  • 8.19.118.172 ↩ server233.appriver.com
  • 8.31.233.64 ↩ server232.appriver.com

SOA Record

Raw SOA ns-1060.awsdns-04.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1060.awsdns-04.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns21.didomains.com
ns21.didomains.net
ns22.didomains.com
ns22.didomains.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:64.95.184.64 ip4:72.28.104.100 ip4:72.28.104.101 ip4:72.28.104.102 ip4:64.94.224.72 ip4:63.251.162.90 include:secureserver.net include:_spf.hosting.cdkglobal.com include:edgepilot.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No 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

6 records
  • SPFv=spf1 ip4:64.95.184.64 ip4:72.28.104.100 ip4:72.28.104.101 ip4:72.28.104.102 ip4:64.94.224.72 ip4:63.251.162.90 include:secureserver.net include:_spf.hosting.cdkglobal.com include:edgepilot.com -all
  • MS=ms85778734
  • apple-domain-verification=IRTG5v7fStg2Ajx6
  • google-site-verification=Coouh5HhsPv4qYuctoH3pVMv1lOAr2yJi6ieI9esWtU
  • google-site-verification=jQ8mCDa-myRs_LJIK8JtdaEJZsHGEbohGXMYJzNdho8
  • openai-domain-verification=dv-STDtlG8PGu2Foi2OkCp4tcwR
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