zero.de

Valid Email Server
Domain Lookup › zero.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
zero.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-27 19:53:34 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 104.26.14.7 (no PTR)
  • 172.67.68.75 (no PTR)
  • 104.26.15.7 (no PTR)
  • 2606:4700:20::ac43:444b (no PTR)
  • 2606:4700:20::681a:e07 (no PTR)
  • 2606:4700:20::681a:f07 (no PTR)

Mail Server IPs

  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com

SOA Record

Raw SOA brodie.ns.cloudflare.com dns.cloudflare.com 2399480330 10000 2400 604800 1800
Primary NS (mname)
brodie.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399480330
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

brodie.ns.cloudflare.com
erin.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 a:admin.zero.de ip4:178.250.12.182 ip4:178.250.12.200 ip4:178.250.12.201 ip4:20.52.130.56/30 ip4:2.207.170.76 ip4:2.207.170.77 ip4:136.243.59.241 include:spf.protection.outlook.com include:spfv4.sosafe.de include:spfv6.sosafe.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

11 records
  • QZLwVcpurZuPlxh1kBlqugNcBmie9Dv8afiTMM+Qk3bESgWRU2nOMP1WI+nh5a3lHszoTze153yzfmVOftiWGg==
  • apple-domain-verification=tDCwJAMbvmHpGoWe
  • atlassian-domain-verification=wi4a5yVehaTrmw3P3cPqx2bT7Txt551/koaOaIiW9OQ8QjtgoiaK6ydL24KlI94b
  • facebook-domain-verification=f7svp49pb1icnmxo069a8clg1cvz42
  • google-site-verification=C0rqAubs8hKUOZrKHy2VkTxDKZFa-JbWbjjItGyQ4Wg
  • google-site-verification=E9rezy7PU9xv2jO0C66nfBqOwQRLEX6IMPF6pLC5Jpw
  • google-site-verification=S267QwILtiANRnIGw1HrRyiSntoQAfRW4gogyka2lzM
  • sophos-domain-verification=485cbeee9f9df638709dd3c3de12625fc8390b5b
  • SPFv=spf1 a:admin.zero.de ip4:178.250.12.182 ip4:178.250.12.200 ip4:178.250.12.201 ip4:20.52.130.56/30 ip4:2.207.170.76 ip4:2.207.170.77 ip4:136.243.59.241 include:spf.protection.outlook.com include:spfv4.sosafe.de include:spfv6.sosafe.de -all
  • 0ed1fe018a7e2b38597c8946a9a55dc97844677187
  • MS=ms89764255
Full email verification for zero.de

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