Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
db.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 08:44:50 UTC · ↺ Refresh
MX Hostnames
- db-de.mail.protection.outlook.com
MX Priorities
- db-de.mail.protection.outlook.com: 10
A / AAAA Records
- 81.200.197.89 (no PTR)
Mail Server IPs
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-c.eurodns.eu hostmaster.eurodns.com 2026040105 43200 7200 1209600 86400
Primary NS (mname)
ns-c.eurodns.eu
Admin Email (rname)
hostmaster@eurodns.com
Serial
2026040105
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-c.eurodns.eu
ns-d.eurodns.biz
SPF Record
✓ Strict (-all)
v=spf1 include:deutschebahn.com ip4:87.193.167.88/29 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
1 record- SPFv=spf1 include:deutschebahn.com ip4:87.193.167.88/29 -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 db.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits