rebstock.com

Valid Email Server
Domain Lookup › rebstock.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rebstock.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 09:44:43 UTC · ↺ Refresh

MX Hostnames

  • rebstock-com.mail.protection.outlook.com

MX Priorities

  • rebstock-com.mail.protection.outlook.com: 20

A / AAAA Records

  • 81.27.166.106 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns1.selbstdenker.com root.netzblick.de 2025020301 10800 3600 604800 3600
Primary NS (mname)
ns1.selbstdenker.com
Admin Email (rname)
root@netzblick.de
Serial
2025020301
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns3.selbstdenker.com
ns4.selbstdenker.com
ns2.selbstdenker.com
ns1.selbstdenker.com

SPF Record

✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:selbstdenker.com include:guestline.net include:roomlynx.net include:_spf.getresponse.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 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
  • SPFv=spf1 mx include:spf.protection.outlook.com include:selbstdenker.com include:guestline.net include:roomlynx.net include:_spf.getresponse.com -all
  • 0ed1fe018ab5b4c8a4ad0d455487f091b66b65c759
  • MS=ms82403283
  • 0ed1fe018aba95afeeebdb4c7ebdd6abf5b364c59f
Full email verification for rebstock.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits