heartlandllc.org

Valid Email Server
Domain Lookup › heartlandllc.org

Domain Overview

DNS: ✓ just now Checker: ✓ just now
heartlandllc.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-02 00:32:54 UTC · ↺ Refresh

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MX Hostnames

  • inbound-smtp.skiff.com
  • mailsec.protonmail.ch
  • mail.protonmail.ch

MX Priorities

  • mail.protonmail.ch: 10
  • mailsec.protonmail.ch: 20
  • inbound-smtp.skiff.com: 21

A / AAAA Records

  • 76.223.105.230 ↩ a16e665f42988324c.awsglobalaccelerator.com
  • 13.248.243.5

Mail Server IPs

  • 176.119.200.128 ↩ mail.protonmail.ch
  • 185.205.70.128 ↩ mail.protonmail.ch
  • 185.70.42.128 ↩ mail.protonmail.ch
  • 185.205.70.129 ↩ mailsec.protonmail.ch
  • 176.119.200.129 ↩ mailsec.protonmail.ch
  • 185.70.42.129 ↩ mailsec.protonmail.ch
  • 52.27.246.88 ↩ ec2-52-27-246-88.us-west-2.compute.amazonaws.com
  • 54.70.29.253 ↩ ec2-54-70-29-253.us-west-2.compute.amazonaws.com
  • 52.88.57.209 ↩ ec2-52-88-57-209.us-west-2.compute.amazonaws.com

SOA Record

Raw SOA ns29.domaincontrol.com dns.jomax.net 2025042300 28800 7200 604800 600
Primary NS (mname)
ns29.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025042300
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns30.domaincontrol.com
ns29.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.protonmail.ch include:sjiu8xfrh4vfkrt.spf.skiff.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

3 records
  • NETORGFT13658233.onmicrosoft.com
  • SPFv=spf1 include:_spf.protonmail.ch include:sjiu8xfrh4vfkrt.spf.skiff.com -all
  • protonmail-verification=e34250d10c769109ce9861921f207f8af4a87e5d
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