frontiermining.co

Valid Email Server
Domain Lookup › frontiermining.co
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
frontiermining.co
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-09 12:00:17 UTC · ↺ Refresh

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MX Hostnames

  • mx2-us1.ppe-hosted.com
  • mx1-us1.ppe-hosted.com

MX Priorities

  • mx1-us1.ppe-hosted.com: 10
  • mx2-us1.ppe-hosted.com: 20

A / AAAA Records

  • 99.83.190.102 ↩ aacb0a264e514dd48.awsglobalaccelerator.com
  • 75.2.70.75 ↩ aacb0a264e514dd48.awsglobalaccelerator.com

Mail Server IPs

  • 148.163.129.50 ↩ mx1-us1.ppe-hosted.com
  • 67.231.154.162 ↩ mx1-us1.ppe-hosted.com
  • 67.231.154.163 ↩ mx2-us1.ppe-hosted.com
  • 148.163.129.51 ↩ mx2-us1.ppe-hosted.com

SOA Record

Raw SOA ns-1526.awsdns-62.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1526.awsdns-62.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1943.awsdns-50.co.uk
ns-402.awsdns-50.com
ns-568.awsdns-07.net
ns-1526.awsdns-62.org

SPF Record

✓ Strict (-all)
v=spf1 a:dispatch-us.ppe-hosted.com include:_spf.google.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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

4 records
  • 1password-site-verification=OWJQBXSFABAEFLGAVK6JAJAIEQ
  • 74pkce239srmbv16hf14huduc3
  • ppe-98e78d21d43193f0a902eb7816d3039b3fb335fb
  • SPFv=spf1 a:dispatch-us.ppe-hosted.com include:_spf.google.com include:spf.protection.outlook.com -all
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