Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gaylordchemical.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 14:13:36 UTC · ↺ Refresh
MX Hostnames
- filter.tuscomonline.com
MX Priorities
- filter.tuscomonline.com: 10
A / AAAA Records
- 166.117.225.150 ↩ ac384b281d17a7bd5.awsglobalaccelerator.com
- 52.223.44.38 ↩ ac384b281d17a7bd5.awsglobalaccelerator.com
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
ns77.worldnic.com namehost.worldnic.com 125082612 10800 3600 604800 3600
Primary NS (mname)
ns77.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125082612
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns78.worldnic.com
ns77.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:13.111.68.144 ip4:13.111.0.111 include:email-system.mc.pardot.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- cisco-ci-domain-verification=1fafbd1afc936e14d1ce6083c26b1c852caa3734f5d2ca7c2df31ca19ac43da
- SPFv=spf1 ip4:13.111.68.144 ip4:13.111.0.111 include:email-system.mc.pardot.com -all
- _o9joqhz567aa1s97k3ldr8vnyhlkcr6
- m9r3rbn68vf3xrvhkr43sdcj3033s4v4
- google-site-verification=_5fMur-OWvDuy5T34-5c1zX18YPeSjZpUJofpPN0Lxo
- pardot1041721=1231e73a0cde3fdaa02fa1229a0aeef81ba7c5ff5ec3d3c7593ef56b130d4039
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 gaylordchemical.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits