Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
plumbingsource.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 02:05:57 UTC · ↺ Refresh
MX Hostnames
- plumbingsource-net.mx2.arsmtp.com
- plumbingsource-net.mx1.arsmtp.com
MX Priorities
- plumbingsource-net.mx2.arsmtp.com: 20
- plumbingsource-net.mx1.arsmtp.com: 10
A / AAAA Records
- 199.16.172.179 (no PTR)
- 199.16.173.150 (no PTR)
Mail Server IPs
- 8.19.118.191 ↩ server2029.appriver.com
- 8.31.233.250 ↩ server2028.appriver.com
SOA Record
Raw SOA
dorthy.ns.cloudflare.com dns.cloudflare.com 2398359030 10000 2400 604800 1800
Primary NS (mname)
dorthy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398359030
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dorthy.ns.cloudflare.com
theo.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=ms78693086
- MS=ms94649897
- google-site-verification=EkKgkFW9UjCk4Db8rIkAaZ7t9HVTjE3BVnB4CylOXPI
- SPFv=spf1 include:_spf.google.com include:spf.protection.outlook.com ~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 plumbingsource.net
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits