Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
frontiernaturalgas.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 19:19:27 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-2.mimecast.com
- usb-smtp-inbound-1.mimecast.com
MX Priorities
- usb-smtp-inbound-2.mimecast.com: 10
- usb-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 51.222.9.91 ↩ chunky-coach.linkswebhosting.com
Mail Server IPs
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
ns71.domaincontrol.com dns.jomax.net 2025121000 28800 7200 604800 600
Primary NS (mname)
ns71.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025121000
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns72.domaincontrol.com
ns71.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:usb._netblocks.mimecast.com include:spf-customer.wfs.cloud include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
8 records- MS=ms94755216
- adobe-idp-site-verification=f1804c42d05318683ef1d002b6a2307be213e2ad18022f59c0d3f94ffb502e76
- duo_sso_verification=u8nIR5QV8wMhYruzvCH2mIsj1L1IuJ4sjWeUHB37pygE7BI2OgZReHGhWSed5lKL
- knowbe4-site-verification=55d47b0d0c680472d69bd7d1e40d1924
- 0ed1fe018a19121cd1dc3d496ba5bb764c146b59e9
- MS=ms20000133
- SPFv=spf1 include:usb._netblocks.mimecast.com include:spf-customer.wfs.cloud include:_spf.psm.knowbe4.com -all
- apple-domain-verification=WOu2jQJj29GS0b9S
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