Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zentrag.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 19:04:27 UTC · ↺ Refresh
MX Hostnames
- zentrag-de.mail.protection.outlook.com
MX Priorities
- zentrag-de.mail.protection.outlook.com: 1
A / AAAA Records
- 199.60.103.69 (no PTR)
- 199.60.103.169 (no PTR)
Mail Server IPs
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
SOA Record
Raw SOA
cartman.ns.cloudflare.com dns.cloudflare.com 2399856586 10000 2400 604800 1800
Primary NS (mname)
cartman.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399856586
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
maya.ns.cloudflare.com
cartman.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx a include:spf.nl2go.com include:spf.emailsignatures365.com include:spf.protection.outlook.com ip4:212.202.253.67 ip4:217.91.184.46 ip4:217.91.237.140 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
4 records- SPFv=spf1 mx a include:spf.nl2go.com include:spf.emailsignatures365.com include:spf.protection.outlook.com ip4:212.202.253.67 ip4:217.91.184.46 ip4:217.91.237.140 -all
- MS=ms71430864
- brevo-code:1a35688f3b400506807f48baeaa15b32
- ppe-b50ca95ac612e1d744f53c8555664b86500dfd5a
Full email verification for zentrag.de
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