sbv-flensburg.de

Valid Email Server
Domain Lookup › sbv-flensburg.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sbv-flensburg.de
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 07:47:38 UTC · ↺ Refresh

MX Hostnames

  • de-smtp-inbound-2.mimecast.com
  • de-smtp-inbound-1.mimecast.com

MX Priorities

  • de-smtp-inbound-2.mimecast.com: 10
  • de-smtp-inbound-1.mimecast.com: 10

A / AAAA Records

  • 49.13.175.141 ↩ dedivirt3454.your-server.de

Mail Server IPs

  • 194.104.108.22 ↩ de-smtp-inbound-2.mimecast.com
  • 194.104.110.22 ↩ de-smtp-inbound-1.mimecast.com

SOA Record

Raw SOA nsa6.schlundtech.de awolter.cbf-flensburg.de 2025111924 43200 7200 1209600 600
Primary NS (mname)
nsa6.schlundtech.de
Admin Email (rname)
awolter@cbf-flensburg.de
Serial
2025111924
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

nsc6.schlundtech.de
nsa6.schlundtech.de
nsb6.schlundtech.de
nsd6.schlundtech.de

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:49.13.175.141 ip4:87.230.19.141 ip4:62.157.185.28 include:_spf.aareon.com include:turbo-smtp.com include:de._netblocks.mimecast.com include:spf.flowmailer.net include:spf.protection.outlook.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 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

5 records
  • SPFv=spf1 a mx ip4:49.13.175.141 ip4:87.230.19.141 ip4:62.157.185.28 include:_spf.aareon.com include:turbo-smtp.com include:de._netblocks.mimecast.com include:spf.flowmailer.net include:spf.protection.outlook.com -all
  • Target: 0ed1fe018ad12144969bb44a56a7f94e2d5de49077
  • Y+c+PIIMYTQtx7zCqY0ROxvnze5LqslNlIO2SFw2YBhbU/9Pw0xnaAxZD6jqSUROl9IfB0OIkhDwcEf9ZD9v9A==
  • MS=ms34114906
  • apple-domain-verification=5iOAh6t9SGePhoMe
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