straeb.de

Valid Email Server
Domain Lookup › straeb.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
straeb.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-31 12:57:25 UTC · ↺ Refresh

MX Hostnames

  • straeb-de.mail.protection.outlook.com

MX Priorities

  • straeb-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 81.169.145.150 ↩ w96.rzone.de
  • 2a01:238:20a:202:1150:: ↩ w96.rzone.de

Mail Server IPs

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

SOA Record

Raw SOA docks18.rzone.de hostmaster.strato-rz.de 2020050764 86400 7200 604800 300
Primary NS (mname)
docks18.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050764
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks18.rzone.de
shades08.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 a:mfod-euc1.prod.hydra.sophos.com a:relay-eu-central-1.prod.hydra.sophos.com include:spf.protection.outlook.com include:servers.mcsv.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ 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

2 records
  • MS=ms11833083
  • SPFv=spf1 a:mfod-euc1.prod.hydra.sophos.com a:relay-eu-central-1.prod.hydra.sophos.com include:spf.protection.outlook.com include:servers.mcsv.net -all
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