Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
natfuel.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 15:36:24 UTC · ↺ Refresh
MX Hostnames
- mxb-00403d01.gslb.pphosted.com
- mxa-00403d01.gslb.pphosted.com
MX Priorities
- mxb-00403d01.gslb.pphosted.com: 10
- mxa-00403d01.gslb.pphosted.com: 10
A / AAAA Records
- 192.0.66.96 (no PTR)
Mail Server IPs
- 205.220.160.176 ↩ mx0a-00403d01.pphosted.com
SOA Record
Raw SOA
mrbodnsmaster101.nss.crowncastle.com hostmaster.fibertech.com 2024022956 10800 3600 2419200 300
Primary NS (mname)
mrbodnsmaster101.nss.crowncastle.com
Admin Email (rname)
hostmaster@fibertech.com
Serial
2024022956
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns1.fibertechdns.com
ns2.fibertechdns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- bnNYv46/2pjAcMcbDdumBYFcg+2WG5fkecJy3Uuq9h9slae6zeZz7xpcpzrf6NXzg2JVHzggRDnmf5VILGepew==
- _3rxk7dr8kdqs6gpowz765qt2xftappm
- google-site-verification=Z0fEwgzVvJ40-qal5iP1taDhA4V0CcJ9iOB2tN8-Gr4
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:spf.protection.outlook.com ~all
- cloudflare_dashboard_sso=d830e85d178d5f60f46c4b9d80866cd0
- MS=08F7D9B5594D2B7C670CC0E113173546DB03BDBF
- miro-verification=a3635beb644ebdc79a4389d461487b6de72ccdb7
- ntbcyg7m10bhcvzskmsy80p8y5l2k8dl
- apple-domain-verification=mDRDTMTNSJHO9R3e
- atlassian-domain-verification=EcCRfUTNdzauE2zzVl1Fns8CKrpr1aonPBMLut3nfmBZ/tiCKhhIy0fJN5vLJH9R
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for natfuel.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits