Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
polynisterplastik.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 23:07:19 UTC · ↺ Refresh
MX Hostnames
- polynisterplastik-de.mail.protection.outlook.com
MX Priorities
- polynisterplastik-de.mail.protection.outlook.com: 10
A / AAAA Records
- 213.160.72.66 (no PTR)
- 2a00:17d8:100::411 (no PTR)
Mail Server IPs
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.hosting.de hostmaster.polynisterplastik.de 2026022303 86400 7200 3600000 900
Primary NS (mname)
ns1.hosting.de
Admin Email (rname)
hostmaster@polynisterplastik.de
Serial
2026022303
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
900s
Nameservers (NS)
ns3.hosting.de
ns2.hosting.de
ns1.hosting.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- citrix-verification-code=6c6f85d4-9054-4304-9194-cfc731e30c69
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