Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
heiq.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 20:42:33 UTC · ↺ Refresh
MX Hostnames
- d310248.b.ess.de.barracudanetworks.com
- d310248.a.ess.de.barracudanetworks.com
MX Priorities
- d310248.b.ess.de.barracudanetworks.com: 15
- d310248.a.ess.de.barracudanetworks.com: 10
A / AAAA Records
- 81.201.199.122 ↩ heiq1.rhone.ch
Mail Server IPs
- 18.185.115.251 ↩ mail.ess.de.barracuda.com
- 18.185.115.252 ↩ mail.ess.de.barracuda.com
- 18.185.115.250 ↩ mail.ess.de.barracuda.com
SOA Record
Raw SOA
ch.ch-inter.net philipp.heiq.com 2026012902 10800 3600 604800 600
Primary NS (mname)
ch.ch-inter.net
Admin Email (rname)
philipp@heiq.com
Serial
2026012902
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
nl.ch-inter.net
de.ch-inter.net
ch.ch-inter.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.heiq.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; adkim=r; aspf=s; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; pct=100;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
13 records- klaviyo-site-verification=R5UxZS
- miro-verification=706ef22047aca9de71c386d87deaa7f86bc2bb42
- 2c12dac746fc33ac06aa0d112e429c74
- shopify-verification-code=J2XytMqLL0r2kjKQjqhxTmrYQtrfKk
- SPFv=spf1 include:spf.heiq.com -all
- google-site-verification=aU3HvKIF2bsOO_aR1lSY9-D-g23KpPTumbIzL89b4Dg
- facebook-domain-verification=nzxa9f16re287obru7xrbtbnknschl
- atlassian-domain-verification=vDZWa2cAwNC9dhk0xkM41PT7QKBXmrT8wrfF6FbmdaB15NeQhvDeNLfdONucPb3b
- klaviyo-site-verification=UiaX3Z
- MS=ms23346107
- qs7pnvmvznwbkm2n4g8l7wv476q74g7b
- swisssign-check=cExplLUmblRZ5jbKHOvOmb9JGUhuXrVs8rCIYGmZnb
- google-site-verification=UP4hatVxU04OR121bwi297Ilur0OgsoOUYG4XBWvH78
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 heiq.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits