Domain Overview
DNS: ✓ 20d ago
Checker: ✓ 20d ago
dualfuelcorp.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 17:19:09 UTC · ↺ Refresh
MX Hostnames
- mx1-us1.ppe-hosted.com
- mx2-us1.ppe-hosted.com
MX Priorities
- mx2-us1.ppe-hosted.com: 100
- mx1-us1.ppe-hosted.com: 100
A / AAAA Records
- 198.49.23.144 (no PTR)
- 198.185.159.144 (no PTR)
- 198.49.23.145 (no PTR)
- 198.185.159.145 (no PTR)
Mail Server IPs
- 67.231.154.163 ↩ mx2-us1.ppe-hosted.com
- 148.163.129.51 ↩ mx2-us1.ppe-hosted.com
- 148.163.129.50 ↩ mx1-us1.ppe-hosted.com
- 67.231.154.162 ↩ mx1-us1.ppe-hosted.com
SOA Record
Raw SOA
nia.ns.cloudflare.com dns.cloudflare.com 2401840762 10000 2400 604800 1800
Primary NS (mname)
nia.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2401840762
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
robert.ns.cloudflare.com
nia.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.google.com include:_spf.intacct.com include:_spf.cmsa.buildops.com include:242589488.spf03.hubspotemail.net include:_spf-us.ppe-hosted.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
default._domainkey
s1._domainkey
s2._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
7 records- MS=ms85491247
- apple-domain-verification=EQ8Hj84WT5LaRvYX
- google-site-verification=GU5W-Ve_7zPmAw_Ivw__sWopwwR_iKcfCP-DPTc2YII
- intacct-esk=E8BB60F11AA56C61E05351220D0A785E
- ppe-0933be22d07654fb40f8b2a5fcb5fd6ff9f0809d
- ppe-f06de975981de9eababd4a188f99144d6c2bca10
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.google.com include:_spf.intacct.com include:_spf.cmsa.buildops.com include:242589488.spf03.hubspotemail.net include:_spf-us.ppe-hosted.com -all
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