Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kernundweber.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 23:52:36 UTC · ↺ Refresh
MX Hostnames
- kernundweber-de.mail.protection.outlook.com
MX Priorities
- kernundweber-de.mail.protection.outlook.com: 10
A / AAAA Records
- 46.163.115.232 ↩ www.global-gruppe.com
Mail Server IPs
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2024080622 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024080622
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.net
ns.udag.org
ns.udag.de
SPF Record
✓ Strict (-all)
v=spf1 include:antispameurope.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ip4:195.30.231.225 ip4:78.46.3.47 ip4:46.163.115.232 ip6:2a01:4f8:d0a:3025::2 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
2 records- SPFv=spf1 include:antispameurope.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ip4:195.30.231.225 ip4:78.46.3.47 ip4:46.163.115.232 ip6:2a01:4f8:d0a:3025::2 -all
- wy1q6k8c20vfsjnm4lkm0rt6lr7mxyj2
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 kernundweber.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits