Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mcs.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 12:16:36 UTC · ↺ Refresh
MX Hostnames
- mx2.mcs.de
- mx1.mcs.de
MX Priorities
- mx2.mcs.de: 20
- mx1.mcs.de: 10
A / AAAA Records
- 147.78.88.66 ↩ psc-web01.psc.mcs.de
- 2a09:2040::3:0:0:0:66 ↩ psc-web01.psc.mcs.de
Mail Server IPs
- 46.23.213.22 ↩ mx2.mcs.de
- 2a02:ad0:4:6::15 ↩ mx2.mcs.de
- 46.23.213.21 ↩ mx1.mcs.de
- 2a02:ad0:4:6::14 ↩ mx1.mcs.de
SOA Record
Raw SOA
ns1.mcs.de hostmaster.mcs.de 2026031100 14400 3600 604800 600
Primary NS (mname)
ns1.mcs.de
Admin Email (rname)
hostmaster@mcs.de
Serial
2026031100
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns2.mcs.de
ns3.mcs.de
ns1.mcs.de
SPF Record
✗ Invalid
v=spf1 mx a:nat-hiding-secure.mcs.de a:nat-hiding-secure-vpn.mcs.de a:server.partnergate.de a:mx.partnergate.de a:web1.mcs.de a:omd.360e.mcs.cloud a:omd.oil.mcs.cloud include:spf-de.emailsignatures365.com include:spf.protection.outlook.com -all
📊 DNS lookups: 11/10
— over limit!
⚠ Too many DNS lookups (11/10) — SPF will fail validation. Reduce include: statements.
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; adkim=r; aspf=r; pct=0
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
⚠ Policy applies to 0% of failing messages only
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
5 records- google-site-verification=7YC-ocLPvUrl_bC0nE-X4fGmN0UquB3NkbXKsXsS-as
- MS=990B0A950DB7174820F9C9C9685861DFFB367D89
- SPFv=spf1 mx a:nat-hiding-secure.mcs.de a:nat-hiding-secure-vpn.mcs.de a:server.partnergate.de a:mx.partnergate.de a:web1.mcs.de a:omd.360e.mcs.cloud a:omd.oil.mcs.cloud include:spf-de.emailsignatures365.com include:spf.protection.outlook.com -all
- linkedin-site-verification=8e32951d-414c-44e9-a8b1-d00916dd54ff
- google-site-verification=39sogYKuDLCXeXQM2cBL_WQVS--lB_owWTSsPAwruwU
Full email verification for mcs.de
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