Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
grass-merkur.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 08:38:36 UTC · ↺ Refresh
MX Hostnames
- grassmerkur-de01c.mail.protection.outlook.com
- mxe2.grass-merkur.de
- mxe1.grass-merkur.de
MX Priorities
- mxe2.grass-merkur.de: 200
- mxe1.grass-merkur.de: 200
- grassmerkur-de01c.mail.protection.outlook.com: 0
A / AAAA Records
- 195.216.198.17
Mail Server IPs
- 195.216.198.25 ↩ mxe2.grass-merkur.de
- 195.216.198.24 ↩ mxe1.grass-merkur.de
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns0.grass-merkur.de domainmaster.grass-merkur.de 2025013101 86400 3600 259200 3600
Primary NS (mname)
ns0.grass-merkur.de
Admin Email (rname)
domainmaster@grass-merkur.de
Serial
2025013101
Refresh
86400s
Retry
3600s
Expire
259200s
Minimum TTL
3600s
Nameservers (NS)
secondary006.dtag.net
ns1.grass-merkur.de
pns.dtag.de
ns2.grass-merkur.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
dkim._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
1 record- SPFv=spf1 include:spf.protection.outlook.com mx -all
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