Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ruddplumbing.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 20:54:02 UTC · ↺ Refresh
MX Hostnames
- tsunami12.surfnusa.net
MX Priorities
- tsunami12.surfnusa.net: 0
A / AAAA Records
- 34.224.10.110 ↩ ec2-34-224-10-110.compute-1.amazonaws.com
- 52.11.37.152 ↩ ec2-52-11-37-152.us-west-2.compute.amazonaws.com
Mail Server IPs
- 108.174.96.232 ↩ tsunami12.surfnusa.net
SOA Record
Raw SOA
ns0.directnic.com hostmaster.ns0.directnic.com 2020101215 28800 14400 604800 86400
Primary NS (mname)
ns0.directnic.com
Admin Email (rname)
hostmaster@ns0.directnic.com
Serial
2020101215
Refresh
28800s
Retry
14400s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns1.directnic.com
ns3.directnic.com
ns2.directnic.com
ns0.directnic.com
SPF Record
✓ Strict (-all)
v=spf1 +mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 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 -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 ruddplumbing.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits