Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kardmatch.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 11:40:36 UTC · ↺ Refresh
MX Hostnames
- mx01.ionos.mx
- mx00.ionos.mx
MX Priorities
- mx00.ionos.mx: 10
- mx01.ionos.mx: 10
A / AAAA Records
- 71.19.228.202 ↩ dns2.codice.com
Mail Server IPs
- 74.208.5.3 ↩ mx00.perfora.net
- 74.208.5.21 ↩ mx01.perfora.net
SOA Record
Raw SOA
sendit hostmaster 42 900 600 86400 3600
Primary NS (mname)
sendit
Admin Email (rname)
hostmaster
Serial
42
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
dns1.codice.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf-us.ionos.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
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
1 record- SPFv=spf1 include:_spf-us.ionos.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 kardmatch.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits