Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mfrastructures.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-14 20:03:36 UTC · ↺ Refresh
MX Hostnames
- mail.rollernet.us
- mail2.rollernet.us
MX Priorities
- mail2.rollernet.us: 0
- mail.rollernet.us: 0
A / AAAA Records
- 23.24.227.172 ↩ 23-24-227-172-static.hfc.comcastbusiness.net
Mail Server IPs
- 208.79.241.2 ↩ mail2.rollernet.us
- 2607:fe70::4:0:0:0:a ↩ mail2.rollernet.us
- 208.79.240.2 ↩ mail.rollernet.us
- 2607:fe70::3:0:0:0:a ↩ mail.rollernet.us
SOA Record
Raw SOA
ns1-auth.rollernet.us hostmaster.rollernet.us 2026022200 10800 3600 1814400 172800
Primary NS (mname)
ns1-auth.rollernet.us
Admin Email (rname)
hostmaster@rollernet.us
Serial
2026022200
Refresh
10800s
Retry
3600s
Expire
1814400s
Minimum TTL
172800s
Nameservers (NS)
ns2-auth.rollernet.us
ns1-auth.rollernet.us
SPF Record
✓ Strict (-all)
v=spf1 ip4:23.24.227.170 include:a._spf.rollernet.us -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✗ None detectedNo 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- SPFv=spf1 ip4:23.24.227.170 include:a._spf.rollernet.us -all
- MS=ms46630658
- google-site-verification=tD30vsni-4RtVCq6kZY_8fVojPDjr8B7qRces7BBN8U
Full email verification for mfrastructures.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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