Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sedho.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 21:17:54 UTC · ↺ Refresh
MX Hostnames
- sedho-de.mail.protection.outlook.com
MX Priorities
- sedho-de.mail.protection.outlook.com: 0
A / AAAA Records
- 88.99.190.114 ↩ srv114.sedho.de
- 2a01:4f8:c0c:6a90::1 ↩ srv114.sedho.de
Mail Server IPs
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.sedho.de hostmaster.sedho.de 2026031800 43200 7200 1209600 432000
Primary NS (mname)
ns1.sedho.de
Admin Email (rname)
hostmaster@sedho.de
Serial
2026031800
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
432000s
Nameservers (NS)
ns1.sedho.de
ns3.sedho.de
ns2.sedho.de
ns4.sedho.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mailjet.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
6 records- google-site-verification=mrEHoKsBoU9fjko4BoADvaM_yzOosAvX3asLerGwsic
- SPFv=spf1 include:spf.mailjet.com include:spf.protection.outlook.com -all
- _globalsign-domain-verification=LlmC6518rptVZmyAaqIOtXgCPgeYueB1ahlqlMmRbE
- JDuvuAdoxsF8zmjZgGCoYYfl9prTZJqNkt83fx8f4c0Gf0T3omA+95vYJjGLbBjcPnyIqiPyHwp7k4Jl9fRJLw==
- 201810241326557pckd0i3zt8szk6y2cdg4ptegl52xcq0h7duvp7ftrijqijo5
- MS=ms41229728
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 sedho.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits