Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gradmann1864.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 17:17:00 UTC · ↺ Refresh
MX Hostnames
- gradmann1864-de.mail.protection.outlook.com
MX Priorities
- gradmann1864-de.mail.protection.outlook.com: 0
A / AAAA Records
- 5.1.78.137 ↩ s27334.creolineserver.com
- 2a07:6fc0:1::6:0:0:103 ↩ s27334.creolineserver.com
Mail Server IPs
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1025.ui-dns.com hostmaster.schlund.de 2017041176 28800 7200 604800 300
Primary NS (mname)
ns1025.ui-dns.com
Admin Email (rname)
hostmaster@schlund.de
Serial
2017041176
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1025.ui-dns.de
ns1025.ui-dns.com
ns1025.ui-dns.org
ns1025.ui-dns.biz
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:_spf.perfora.net include:_spf.kundenserver.de include:spf.protection.outlook.com ip4:31.47.85.115 ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 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
4 records- v=verifydomain MS=8281042
- 202003041357154b2q07mllqw2btnk2xj9hguh2nnnlz3o2hj6b6q0ycoyeda5td
- SPFv=spf1 a mx include:_spf.perfora.net include:_spf.kundenserver.de include:spf.protection.outlook.com ip4:31.47.85.115 ~all
- k1ejq7n20j3rn0idbv7btrgduf
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 gradmann1864.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits