rivercitymech.com

Valid Email Server
Domain Lookup › rivercitymech.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rivercitymech.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 10:22:05 UTC · ↺ Refresh

MX Hostnames

  • d182647b.ess.barracudanetworks.com
  • d182647a.ess.barracudanetworks.com

MX Priorities

  • d182647b.ess.barracudanetworks.com: 20
  • d182647a.ess.barracudanetworks.com: 10

A / AAAA Records

  • 151.101.66.159 (no PTR)

Mail Server IPs

  • 209.222.82.255 ↩ mail.ess.barracuda.com
  • 209.222.82.253 ↩ mail.ess.barracuda.com
  • 209.222.82.252 ↩ mail.ess.barracuda.com

SOA Record

Raw SOA ns1122.ui-dns.org hostmaster.1and1.com 2017040854 28800 7200 604800 300
Primary NS (mname)
ns1122.ui-dns.org
Admin Email (rname)
hostmaster@1and1.com
Serial
2017040854
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1122.ui-dns.com
ns1122.ui-dns.de
ns1122.ui-dns.org
ns1122.ui-dns.biz

SPF Record

✓ Soft Fail (~all)
v=spf1 mx ip4:96.66.49.162 ip4:173.15.241.245 ip4:173.15.241.241 ip4:209.222.80.0/21 ip4:64.235.144.0/20 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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

3 records
  • google-site-verification=6dtrr3bDP-A7Fo1fNrKuYT2-xe1fCmhWNNSmfBtY2Qo
  • SPFv=spf1 mx ip4:96.66.49.162 ip4:173.15.241.245 ip4:173.15.241.241 ip4:209.222.80.0/21 ip4:64.235.144.0/20 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com ~all
  • MS=728298DC4447248778D3D8DFB1C1904041A5A8CB
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 rivercitymech.com

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

No credit card required
Get 1,000 Free Credits