Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hoeher-akademie.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 05:22:11 UTC · ↺ Refresh
MX Hostnames
- hoeherakademie-de01e.mail.protection.outlook.com
MX Priorities
- hoeherakademie-de01e.mail.protection.outlook.com: 10
A / AAAA Records
- 217.160.0.216 ↩ 217-160-0-216.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
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:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
SOA Record
Raw SOA
docks09.rzone.de hostmaster.strato-rz.de 2025101527 86400 7200 604800 300
Primary NS (mname)
docks09.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2025101527
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks09.rzone.de
shades09.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:168.119.205.8 ip6:2a01:4f8:1061:11ff::2 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; pct=100
⚠ p=none — monitoring only, no enforcement
📋 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
3 records- google-site-verification=MsOd5E4SazeF_tfxh4H3IF6pr-qn-WClMrgDvatZP7w
- klaviyo-site-verification=TUCeRX
- SPFv=spf1 include:spf.protection.outlook.com ip4:168.119.205.8 ip6:2a01:4f8:1061:11ff::2 -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 hoeher-akademie.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits