Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
comfortcontrolcorp.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 18:21:46 UTC · ↺ Refresh
MX Hostnames
- mail.comfortcontrolcorp.net
MX Priorities
- mail.comfortcontrolcorp.net: 0
A / AAAA Records
- 216.239.38.21 ↩ any-in-2615.1e100.net
- 216.239.32.21 ↩ any-in-2015.1e100.net
- 216.239.36.21 ↩ any-in-2415.1e100.net
- 216.239.34.21 ↩ any-in-2215.1e100.net
- 2001:4860:4802:36::15 ↩ any-in-2001-4860-4802-36--15.1e100.net
- 2001:4860:4802:34::15 ↩ any-in-2001-4860-4802-34--15.1e100.net
- 2001:4860:4802:38::15 ↩ any-in-2001-4860-4802-38--15.1e100.net
- 2001:4860:4802:32::15 ↩ any-in-2001-4860-4802-32--15.1e100.net
Mail Server IPs
- 50.28.65.156 ↩ host.arizonawebservices.com
SOA Record
Raw SOA
ns.arizonawebservices.com devnull.sourcedns.com 2026020303 3600 1800 1209600 86400
Primary NS (mname)
ns.arizonawebservices.com
Admin Email (rname)
devnull@sourcedns.com
Serial
2026020303
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns.arizonawebservices.com
ns2.arizonawebservices.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:50.28.65.156 +a +mx +ip4:50.28.65.158 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 ip4:50.28.65.156 +a +mx +ip4:50.28.65.158 ~all
- google-site-verification=8KK6_13vTsZ42vxkcHTuEn0VWpvqLUEJSjgtQALls90
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 comfortcontrolcorp.net
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits