czarnik.com

Valid Email Server
Domain Lookup › czarnik.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
czarnik.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-14 05:37:32 UTC · ↺ Refresh

MX Hostnames

  • mail.rollernet.us
  • mail2.rollernet.us

MX Priorities

  • mail2.rollernet.us: 20
  • mail.rollernet.us: 10

A / AAAA Records

  • 155.138.254.171 ↩ 155.138.254.171.vultrusercontent.com

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 2024052000 1200 3600 1209600 86400
Primary NS (mname)
ns1-auth.rollernet.us
Admin Email (rname)
hostmaster@rollernet.us
Serial
2024052000
Refresh
1200s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns2.afraid.org
ns2-auth.rollernet.us
ns1-auth.rollernet.us
uz53c7fwlc89h7jrbxcsnxfwjw8k6jtg56l4yvhm6p2xf496c0xl40.free.ns.buddyns.com
uz5qfm8n244kn4qz8mh437w9kzvpudduwyldp5361v9n0vh8sx5ucu.free.ns.buddyns.com

SPF Record

✓ Strict (-all)
v=spf1 a ip4:208.79.240.2 ip4:208.79.241.2 ip4:208.79.240.4 ip4:208.79.240.5 ip6:2607:fe70:0:3::d ip6:2607:fe70:0:4::d -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=none; adkim=s; aspf=s; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✗ None detected

No 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

2 records
  • SPFv=spf1 a ip4:208.79.240.2 ip4:208.79.241.2 ip4:208.79.240.4 ip4:208.79.240.5 ip6:2607:fe70:0:3::d ip6:2607:fe70:0:4::d -all
  • SPFv=spf1 include:auth.spf.rollernet.us -all
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 czarnik.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits