Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tcworks.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 18:50:43 UTC · ↺ Refresh
MX Hostnames
- pmg.tcworks.net
MX Priorities
- pmg.tcworks.net: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 64.250.43.234 ↩ pmg.tcworks.net
SOA Record
Raw SOA
ns2.tcworks.net hostmaster.tcworks.net 2021062201 28800 7200 604800 86400
Primary NS (mname)
ns2.tcworks.net
Admin Email (rname)
hostmaster@tcworks.net
Serial
2021062201
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns2.tcworks.net
ns3.tcworks.net
ns1.tcworks.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:64.250.34.25 ip4:64.250.43.236 ip4:64.250.43.238 include:spf.mandrillapp.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=Tzw4r164OEx4gBLs9ACKOzoEGwYig3suuIJzyU2A-lE
- SPFv=spf1 ip4:64.250.34.25 ip4:64.250.43.236 ip4:64.250.43.238 include:spf.mandrillapp.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 tcworks.net
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits