Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
brsi.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 03:02:59 UTC · ↺ Refresh
MX Hostnames
- linux1.ze-one.de
MX Priorities
- linux1.ze-one.de: 10
A / AAAA Records
- 45.90.4.237 ↩ linux1.ze-one.de
- 2a03:4000:20:1af::7e01 ↩ linux1.ze-one.de
Mail Server IPs
- 45.90.4.237 ↩ linux1.ze-one.de
- 2a03:4000:20:1af::7e01 ↩ linux1.ze-one.de
SOA Record
Raw SOA
ns01.ze-one.net hostmaster.ze-one.de 2026021801 10800 3600 2160000 900
Primary NS (mname)
ns01.ze-one.net
Admin Email (rname)
hostmaster@ze-one.de
Serial
2026021801
Refresh
10800s
Retry
3600s
Expire
2160000s
Minimum TTL
900s
Nameservers (NS)
ns02.ze-one.net
ns01.ze-one.net
ns06.ze-one.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:78.137.100.9 include:spf.protection.outlook.com include:nl2go.com include:spf.mailing-server.org +a +mx -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
8 records- MS=ms82149696
- 8rzfqvq587cpktwdnn34jpqlx7dd5gxc
- 20210209013718422wieyszxc3yxm259yxyugw8xjr1u0wbl0jhj61czipz3zjai
- 6twqkr6v7j7m64wmkzwrnmnrwpppbl8g
- SPFv=spf1 ip4:78.137.100.9 include:spf.protection.outlook.com include:nl2go.com include:spf.mailing-server.org +a +mx -all
- lv86q8zx2kt1ncmgbd1wmcd9bmpszg5x
- 202104051608241ke764x2doz0xzw4pkwd5r0mnrs41rg577r3q4amerm6j3dy22
- 202202130435485fp8jekdh5bxeiac3pmh8rpnbdaa1t71cgxtpy4y3tx16kj3u9
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