Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
gaf-net.dk
Yes
✓ Yes
Unknown
No
Yes
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-31 04:30:00 UTC · ↺ Refresh
MX Hostnames
- mx.dka.mailcore.net
MX Priorities
- mx.dka.mailcore.net: 10
A / AAAA Records
- 167.99.248.199 ↩ m01.webswarm.fra1-03.do.fjordmail.no
Mail Server IPs
- 194.19.134.70 ↩ mx.dka.mailcore.net
- 194.19.134.80 ↩ mx.dka.mailcore.net
- 185.138.56.208 ↩ mx.dka.mailcore.net
- 185.138.56.198 ↩ mx.dka.mailcore.net
- 2a07:a80:1::198 ↩ mx.dka.mailcore.net
- 2001:2010:18:1::70 ↩ mx.dka.mailcore.net
- 2a07:a80:1::208 ↩ mx.dka.mailcore.net
- 2001:2010:18:1::80 ↩ mx.dka.mailcore.net
SOA Record
Raw SOA
ns-413.awsdns-51.com postmaster.gaf-net.dk 2016071300 14400 3600 1209600 86400
Primary NS (mname)
ns-413.awsdns-51.com
Admin Email (rname)
postmaster@gaf-net.dk
Serial
2016071300
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1950.awsdns-51.co.uk
ns-413.awsdns-51.com
ns-536.awsdns-03.net
ns-1078.awsdns-06.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.lytzenitmail.dk include:spf.mailcore.net ip4:212.242.40.0/21 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; adkim=s; aspf=s; fo=1; sp=reject; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
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
1 record- SPFv=spf1 include:spf.lytzenitmail.dk include:spf.mailcore.net ip4:212.242.40.0/21 -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 · Customize →
See demo & docs
Deep verification
Full email verification for gaf-net.dk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits