fbs-bildung.de

Valid Email Server
Domain Lookup › fbs-bildung.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
fbs-bildung.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 19:04:52 UTC · ↺ Refresh

MX Hostnames

  • fbsbildung-de0i.mail.protection.outlook.com

MX Priorities

  • fbsbildung-de0i.mail.protection.outlook.com: 10

A / AAAA Records

  • 23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com

Mail Server IPs

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

SOA Record

Raw SOA a.ns14.net do-not-reply.fbs-bildung.de 2023082301 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
do-not-reply@fbs-bildung.de
Serial
2023082301
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

d.ns14.net
a.ns14.net
b.ns14.net
c.ns14.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:212.184.218.82 ip4:85.236.41.102 ip6:2001:4178:2:1038:85:236:41:102 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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=ms84864712
  • SPFv=spf1 ip4:212.184.218.82 ip4:85.236.41.102 ip6:2001:4178:2:1038:85:236:41:102 include:spf.protection.outlook.com -all
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