Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
amt-nordsee-treene.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 18:44:49 UTC · ↺ Refresh
MX Hostnames
- mx.amt-nordsee-treene.de
MX Priorities
- mx.amt-nordsee-treene.de: 10
A / AAAA Records
- 213.178.85.28 ↩ www.nordfriesland.de
Mail Server IPs
- 217.70.201.137 ↩ mx.amt-nordsee-treene.de
SOA Record
Raw SOA
ns1.advantic.net admin.amt-nordsee-treene.de 2023012701 14400 7200 604800 86400
Primary NS (mname)
ns1.advantic.net
Admin Email (rname)
admin@amt-nordsee-treene.de
Serial
2023012701
Refresh
14400s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns1.advantic.net
ns2.advantic.net
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:217.70.201.137 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- apple-domain-verification=Xy57fcij3qFiTLtW
- SPFv=spf1 a mx ip4:217.70.201.137 -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 amt-nordsee-treene.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits