Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
hananbau.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-17 23:21:02 UTC · ↺ Refresh
MX Hostnames
- mail.tutanota.de
MX Priorities
- mail.tutanota.de: 0
A / AAAA Records
- 198.49.23.144 (no PTR)
- 198.49.23.145 (no PTR)
- 198.185.159.144 (no PTR)
- 198.185.159.145 (no PTR)
Mail Server IPs
- 185.205.69.213 ↩ mail.w13.tutanota.de
- 185.205.69.211 ↩ mail.w11.tutanota.de
- 185.205.69.214 ↩ mail.w14.tutanota.de
SOA Record
Raw SOA
curitiba.ns.porkbun.com dns.cloudflare.com 2402470581 10000 2400 604800 1800
Primary NS (mname)
curitiba.ns.porkbun.com
Admin Email (rname)
dns@cloudflare.com
Serial
2402470581
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
curitiba.ns.porkbun.com
fortaleza.ns.porkbun.com
maceio.ns.porkbun.com
salvador.ns.porkbun.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.tutanota.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.tutanota.de -all
- t-verify=d2a252b5bc6f02e436c71333baa19280
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 hananbau.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits