Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
surfnusa.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 10:23:57 UTC · ↺ Refresh
MX Hostnames
- tsunami10.surfnusa.net
MX Priorities
- tsunami10.surfnusa.net: 0
A / AAAA Records
- 108.174.96.230 ↩ tsunami10.surfnusa.net
Mail Server IPs
- 108.174.96.230 ↩ tsunami10.surfnusa.net
SOA Record
Raw SOA
ns0.directnic.com hostmaster.ns0.directnic.com 2020101217 28800 14400 604800 86400
Primary NS (mname)
ns0.directnic.com
Admin Email (rname)
hostmaster@ns0.directnic.com
Serial
2020101217
Refresh
28800s
Retry
14400s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns2.directnic.com
ns0.directnic.com
ns3.directnic.com
ns1.directnic.com
SPF Record
✓ Strict (-all)
v=spf1 +mx +a -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +mx +a -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 · Customize →
See demo & docs
Deep verification
Full email verification for surfnusa.net
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits