koerber.de

Valid Email Server
Domain Lookup › koerber.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
koerber.de
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 23:50:46 UTC · ↺ Refresh

MX Hostnames

  • mxa-0054b501.gslb.pphosted.com
  • mxb-0054b501.gslb.pphosted.com

MX Priorities

  • mxb-0054b501.gslb.pphosted.com: 10
  • mxa-0054b501.gslb.pphosted.com: 10

A / AAAA Records

  • 62.113.231.14 ↩ srv-a-de.c-684.maxcluster.net

Mail Server IPs

  • 185.183.30.231 ↩ mx08-0054b501.pphosted.com
  • 185.132.183.191 ↩ mx07-0054b501.pphosted.com

SOA Record

Raw SOA ns.koerber.de netman.hauni.com 2025110703 28800 7200 1209600 86400
Primary NS (mname)
ns.koerber.de
Admin Email (rname)
netman@hauni.com
Serial
2025110703
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns11.managed-ip.info
ns10.managed-ip.com
ns12.managed-ip.info
dns2.koerber.de
ns.koerber.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:149.242.224.10/31 ip4:213.156.227.29 ip4:213.156.227.30 ip4:213.156.239.29 ip4:213.156.239.30 include:_spf-dc12.sapsf.com include:_spf-dc12.successfactors.com include:spf-0054b501.pphosted.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • apple-domain-verification=OHBLsHHaUOGtf4XK
  • q+Z7W5oHUv54jlbSgzZwszKYZgR+aA3zHuaXgyqeAT7lSjdfgTIudblbJrJbY6am6QmPjbsF2bWCmQduvMQPSQ==
  • MS=ms76344716
  • apple-domain-verification=rt8KdcPhqa6tZLlq
  • SPFv=spf1 ip4:149.242.224.10/31 ip4:213.156.227.29 ip4:213.156.227.30 ip4:213.156.239.29 ip4:213.156.239.30 include:_spf-dc12.sapsf.com include:_spf-dc12.successfactors.com include:spf-0054b501.pphosted.com include:spf.protection.outlook.com -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 koerber.de

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits