Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
uni-polster.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 11:03:20 UTC · ↺ Refresh
MX Hostnames
- mail.uni-polster.de
MX Priorities
- mail.uni-polster.de: 10
A / AAAA Records
- 185.88.214.253 ↩ srv-a-io.c-1294.maxcluster.net
Mail Server IPs
- 195.52.218.43 ↩ mail.uni-polster.de
SOA Record
Raw SOA
ns.computech-ob.de ristig.uni-polster.de 2025110405 10800 3600 1209600 10800
Primary NS (mname)
ns.computech-ob.de
Admin Email (rname)
ristig@uni-polster.de
Serial
2025110405
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
pdns02.domaincontrol.com
ns.computech-ob.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:195.52.218.43 include:agenturserver.de include:spf.brevo.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]!10m; ruf=mailto:[email protected]!10m; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]!10m
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- Sendinblue-code:a19b5b5e74c680dfaf72c3126a3df7c3
- SPFv=spf1 a mx ip4:195.52.218.43 include:agenturserver.de include:spf.brevo.com include:spf.protection.outlook.com ~all
- MS=ms85301778
- bgsh0l60kr1f9lgu62a618072h
- MS=502349508C1378E64673BE81B20541F554D2A4A8
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