Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
comfortkeepers.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 14:58:59 UTC · ↺ Refresh
MX Hostnames
- d325050a.ess.barracudanetworks.com
- d325050b.ess.barracudanetworks.com
MX Priorities
- d325050b.ess.barracudanetworks.com: 0
- d325050a.ess.barracudanetworks.com: 0
A / AAAA Records
- 89.106.200.1 ↩ edge.redirect.pizza
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
dns1.p01.nsone.net jasonsmith.corp.comfortkeepers.com 1682002544 3600 600 604800 1800
Primary NS (mname)
dns1.p01.nsone.net
Admin Email (rname)
jasonsmith@corp.comfortkeepers.com
Serial
1682002544
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dns2.p01.nsone.net
dns3.p01.nsone.net
dns4.p01.nsone.net
dns1.p01.nsone.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:13.110.0.0/16 ip4:64.253.188.231 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 ip4:216.195.94.27 ip4:67.208.145.0/24 include:spf.protection.outlook.com include:_spf.qualtrics.com include:mktomail.com include:_spf.salesforce.com include:spf.ess.barracuda.com include:u45757671.wl172.sendgrid.net include:spf.zohomail360.com include:spf.mandrillapp.com ~all
📊 DNS lookups: 10/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;pct=100;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];ri=86400;aspf=r;adkim=r;fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
mail._domainkey
s1._domainkey
s2._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
14 records- Host: _DMARC.comfortkeepers.comv=DMARC1;p=quarantine;sp=quarantine;pct=100;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];ri=86400;aspf=r;adkim=r;fo=1
- 9mh937me04icbe39bda6ifv855
- google-site-verification=Spf_LVj-1dMW37GZQCAKaet8aou6RjONyT7IP355ffk
- site24x7-signals-domain-verification=87cffd92859b927ff0a3b4679feb8403
- twilio-domain-verification=f97fe52e2a715dc7f5edd93efe3998bf
- brevo-code:6eba520050421620bc462dce0be4eb0a
- t39sbrpnn2ckgndafe44ssqffu
- MS=ms69155682
- adobe-idp-site-verification=6d71de975f96c2612ec1e97c2f0450acb05dedd08144779f4f8b1ef63fbf7844
- MS=ms96510007
- facebook-domain-verification=xewqb70h1pyqoupmrx7mf5wry08ev7
- SPFv=spf1 a mx ip4:13.110.0.0/16 ip4:64.253.188.231 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 ip4:216.195.94.27 ip4:67.208.145.0/24 include:spf.protection.outlook.com include:_spf.qualtrics.com include:mktomail.com include:_spf.salesforce.com include:spf.ess.barracuda.com include:u45757671.wl172.sendgrid.net include:spf.zohomail360.com include:spf.mandrillapp.com ~all
- 6p2r71o3srrhetijub4f0rismg
- docusign=ce8e2b95-7cbd-4d39-a4ea-6b71fbd719bc
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 comfortkeepers.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits