agergaard.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
agergaard.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 16:10:10 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

  • agergaard-de.mail.protection.outlook.com

MX Priorities

  • agergaard-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 213.160.73.224 (no PTR)

Mail Server IPs

  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.91.162 ↩ mail-matpr04cu00302.inbound.protection.outlook.com
  • 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
  • 52.101.73.123 ↩ mail-am6pr02cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:c967::8 ↩ mail-cpjpr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com

SOA Record

Raw SOA ns01.one.com hostmaster.one.com 2026082901 14400 3600 1209600 600
Primary NS (mname)
ns01.one.com
Admin Email (rname)
hostmaster@one.com
Serial
2026082901
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

ns02.one.com
ns01.one.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:5.183.84.33 ip4:87.140.7.113 ip4:37.80.63.49 ip4:178.250.14.6 include:spf.sendinblue.com mx:indivsurvey.de include:_spf-e.cegedim.fr include:_spf-i.cegedim.fr include:_custspf.one.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • google-site-verification=EpWRjK8fJUoIdufZzYO8GRPnYAzD3snD8J3i8HPpP9c
  • SPFv=spf1 include:spf.protection.outlook.com ip4:5.183.84.33 ip4:87.140.7.113 ip4:37.80.63.49 ip4:178.250.14.6 include:spf.sendinblue.com mx:indivsurvey.de include:_spf-e.cegedim.fr include:_spf-i.cegedim.fr include:_custspf.one.com -all
  • brevo-code:9ad7bec20090b0809a1ebf238402f014
  • MS=ms23203237
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 agergaard.de

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

No credit card required
Get 1,000 Free Credits