zup24.de

Valid Email Server
Domain Lookup › zup24.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
zup24.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 01:45:33 UTC · ↺ Refresh

MX Hostnames

  • zup24-de.mail.protection.outlook.com

MX Priorities

  • zup24-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 88.99.166.99 ↩ static.99.166.99.88.clients.your-server.de

Mail Server IPs

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

SOA Record

Raw SOA hydrogen.ns.hetzner.com dns.hetzner.com 2026021301 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2026021301
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

helium.ns.hetzner.de
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com

SPF Record

✓ Strict (-all)
v=spf1 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

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms59165771
  • QjrAPgBtUZFIpxeqjuCkBcNnRzVrN9P7nfQt7s8hWMWBa1NZPk7r3t2/er+aGE7jQIBN8pY8F1cv5YNKLkCL7Q==
  • google-site-verification=1lJD3nZZvmaAGrO-dIeyPfkubKVuuqzeCv5WaXEvS-4
  • google-site-verification=CTTxyBiz4JwRT-gu5Nem5b9epgWBWpTfQIP846r4SnY
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