Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
standardtvandappliance.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 00:35:18 UTC · ↺ Refresh
MX Hostnames
- d302991b.ess.barracudanetworks.com
- d302991a.ess.barracudanetworks.com
MX Priorities
- d302991a.ess.barracudanetworks.com: 0
- d302991b.ess.barracudanetworks.com: 10
A / AAAA Records
- 35.244.181.72 ↩ 72.181.244.35.bc.googleusercontent.com
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
dns4.pair.com root.pair.com 2026031611 3600 300 604800 3600
Primary NS (mname)
dns4.pair.com
Admin Email (rname)
root@pair.com
Serial
2026031611
Refresh
3600s
Retry
300s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns7.ns0.com
dns4.pair.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:173.12.164.106 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:webmail.pair.com include:relay.pair.com include:pairlist.com a:qs3283.pair.com ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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- SPFv=spf1 a mx ip4:173.12.164.106 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:webmail.pair.com include:relay.pair.com include:pairlist.com a:qs3283.pair.com ~all
- 4nXOrM3ennqDS19euhjRilo44RXF4frHx5g14y0Fn/pfcr0OQeMv6u55rlPv578ZD4CVXFl8PGJJavEndwgVNg==
- google-site-verification=3Z3IbX56qL4VIjP960bcxdSrXAIojbeEBexGVgNcQt0
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 standardtvandappliance.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits