koelsche-blister.de

Valid Email Server
Domain Lookup › koelsche-blister.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
koelsche-blister.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 08:04:58 UTC · ↺ Refresh

MX Hostnames

  • koelscheblister-de02b.mail.protection.outlook.com

MX Priorities

  • koelscheblister-de02b.mail.protection.outlook.com: 0

A / AAAA Records

  • 160.153.0.156 ↩ 156.0.153.160.host.secureserver.net

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
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com

SOA Record

Raw SOA ns11.domaincontrol.com dns.jomax.net 2026030301 28800 7200 604800 600
Primary NS (mname)
ns11.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026030301
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns12.domaincontrol.com
ns11.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:secureserver.net include:spf.protection.outlook.com include:spf-00752e01.pphosted.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; adkim=r; aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → 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

4 records
  • MS=ms18281416
  • DC2083311
  • MS=ms57582714
  • SPFv=spf1 include:secureserver.net include:spf.protection.outlook.com include:spf-00752e01.pphosted.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 koelsche-blister.de

SMTP handshake, catch-all detection, SPF/DKIM/DMARC analysis, and Yahoo/Outlook verification.

Get 1,000 Free Credits