Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
coroplast.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 14:56:55 UTC · ↺ Refresh
MX Hostnames
- coroplast-de.mail.protection.outlook.com
MX Priorities
- coroplast-de.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.83.189 (no PTR)
- 172.67.180.219 (no PTR)
- 2606:4700:3032::6815:53bd
- 2606:4700:3033::ac43:b4db
Mail Server IPs
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
gwen.ns.cloudflare.com dns.cloudflare.com 2400367742 10000 2400 604800 1800
Primary NS (mname)
gwen.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400367742
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
matt.ns.cloudflare.com
gwen.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
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
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- 1password-site-verification=XEK2TY6Q7RF4ZBFLAUXZ5LOVZQ
Full email verification for coroplast.de
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