Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
brandenburger.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 19:29:01 UTC · ↺ Refresh
MX Hostnames
- brandenburger-de.mail.protection.outlook.com
MX Priorities
- brandenburger-de.mail.protection.outlook.com: 0
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1023.ui-dns.com hostmaster.schlund.de 2016110680 28800 7200 604800 300
Primary NS (mname)
ns1023.ui-dns.com
Admin Email (rname)
hostmaster@schlund.de
Serial
2016110680
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1023.ui-dns.de
ns1023.ui-dns.org
ns1023.ui-dns.com
ns1023.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:fdspfeuc.freshemail.io a:spf1.miovent.de ip4:76.76.21.21 ip4:91.26.180.226/29 ip4:81.209.250.115/30 ip4:185.242.115.197 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=none;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- _dt2hw3lhi5j4js3fmuotkg6wj8vno5v
- openai-domain-verification=dv-0R0cJ46PwGNvFhVMUX1Z6DLl
- SPFv=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:fdspfeuc.freshemail.io a:spf1.miovent.de ip4:76.76.21.21 ip4:91.26.180.226/29 ip4:81.209.250.115/30 ip4:185.242.115.197 -all
- mindmanager-verification=2ef1471de60c32cf68f1ebd38d0c251c6fef8ab68463cebbba4855266c958f96
- MS=E69281A21F126C5A3F5D3E343134D27EDB3A20AD
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