Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
h-w-w.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 21:11:05 UTC · ↺ Refresh
MX Hostnames
- hww-de0k.mail.protection.outlook.com
MX Priorities
- hww-de0k.mail.protection.outlook.com: 10
A / AAAA Records
- 46.30.57.204 ↩ r2746.agenturserver.it
Mail Server IPs
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.agenturserver.de support.mittwald.de 1768005087 28800 7200 604800 3600
Primary NS (mname)
ns01.agenturserver.de
Admin Email (rname)
support@mittwald.de
Serial
1768005087
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns01.agenturserver.it
ns01.agenturserver.co
ns01.agenturserver.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:agenturserver.de include:spf.crsend.com include:spf-de.emailsignatures365.com a:securemail.h-w-w.de a:mail1.h-w-w.de -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; sp=none; aspf=s; adkim=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- MS=ms14515861
- SPFv=spf1 include:spf.protection.outlook.com include:agenturserver.de include:spf.crsend.com include:spf-de.emailsignatures365.com a:securemail.h-w-w.de a:mail1.h-w-w.de -all
- 4GJFUy+7xYrYc4waCzp2zm50/xVlMhjYgzmawQypa4yswJDSAPnoO9UlbviqooyG0a0iBT1jnbLP9Bx08FHyvQ==
- swisssign-check=7b6qD3TqdqqRYs8Z02SFy-QoqoA
- 8YZGKUJWJAOSBS2WPR59YOVRP069VGLHDB0YVZ5W
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 h-w-w.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits