Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
greetsiel.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 07:11:22 UTC · ↺ Refresh
MX Hostnames
- greetsiel-de.mail.protection.outlook.com
MX Priorities
- greetsiel-de.mail.protection.outlook.com: 0
A / AAAA Records
- 176.9.130.32 ↩ k06b67.meinserver.io
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
nsa0.schlundtech.de do-not-reply.greetsiel.de 2024112503 43200 7200 1209600 86400
Primary NS (mname)
nsa0.schlundtech.de
Admin Email (rname)
do-not-reply@greetsiel.de
Serial
2024112503
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsd0.schlundtech.de
nsb0.schlundtech.de
nsa0.schlundtech.de
nsc0.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:90.153.6.102 include:spf.easybill-mail.de include:agenturserver.de include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
3 records- MS=ms85886030
- apple-domain-verification=1ErXWnkJYcvnAvrm
- SPFv=spf1 a mx ip4:90.153.6.102 include:spf.easybill-mail.de include:agenturserver.de include:spf.protection.outlook.com -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 greetsiel.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits