aab-kolding.dk

Valid Email Server

Domain Overview

DNS: ✓ 17h ago Checker: ✓ 17h ago
aab-kolding.dk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-10-30 10:58:23 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • mx3-dk.centerasecurity.dk
  • mx1-dk.centerasecurity.dk
  • mx2-dk.centerasecurity.dk

MX Priorities

  • mx2-dk.centerasecurity.dk: 10
  • mx1-dk.centerasecurity.dk: 10
  • mx3-dk.centerasecurity.dk: 20

A / AAAA Records

  • 195.47.247.18 ↩ one.com.webforward.g1i.one

Mail Server IPs

  • 128.76.60.168 ↩ mx6.centerasecurity.dk
  • 89.233.19.128 (no PTR)
  • 128.76.60.169 ↩ mx6.centerasecurity.dk
  • 89.233.19.129 (no PTR)
  • 89.233.19.127 (no PTR)
  • 89.233.19.188 (no PTR)
  • 128.76.60.167 ↩ mx6.centerasecurity.dk
  • 128.76.60.187 ↩ mx6.centerasecurity.dk

SOA Record

Raw SOA ns01.one.com hostmaster.one.com 2026102601 14400 3600 1209600 600
Primary NS (mname)
ns01.one.com
Admin Email (rname)
hostmaster@one.com
Serial
2026102601
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

ns02.one.com
ns01.one.com

SPF Record

✗ Invalid
v=spf1 -all
📊 DNS lookups: 0/10
⚠ Strict -all with no allowed senders — no servers can send email for this domain.

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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
  • OvawszkljlalOgO8TMWOVmnKVIgKpMA0XrgmgDI1QTQeL2ZCOkzjfWSH00iG9H2rCz4XxJC9q3zm6UnHbS0QUQ==
  • SPFv=spf1 -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 aab-kolding.dk

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits