Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rbr-roofing.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 00:14:51 UTC · ↺ Refresh
MX Hostnames
- email.i4.net
MX Priorities
- email.i4.net: 10
A / AAAA Records
- 216.83.138.1 ↩ host-1.pl1071614-1-srv.fiber.net
Mail Server IPs
- 216.83.138.254 ↩ email.i4.net
SOA Record
Raw SOA
ns09.domaincontrol.com dns.jomax.net 2024051300 28800 7200 604800 600
Primary NS (mname)
ns09.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024051300
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns10.domaincontrol.com
ns09.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
5 records- SPFv=spf1 mx ~all
- mcl0fa9ej28bhonn91kml1e0v9
- 3eqpm29pnhottqegsidmtujd8d
- m35c91pqc37gmjs62m95ddqoad
- google-site-verification=JV4xmHYTW0qSuYkOcYmvjrc5LqBYYb7jk_KbVvzpgnc
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 rbr-roofing.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits