Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cch.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 17:54:32 UTC · ↺ Refresh
MX Hostnames
- mx2.mas.t-systems-service.com
- mx1.mas.t-systems-service.com
- mx3.mas.t-systems-service.com
MX Priorities
- mx1.mas.t-systems-service.com: 3
- mx3.mas.t-systems-service.com: 7
- mx2.mas.t-systems-service.com: 5
A / AAAA Records
- 52.18.147.128 ↩ ec2-52-18-147-128.eu-west-1.compute.amazonaws.com
Mail Server IPs
- 217.150.155.10 ↩ mgb-mta01.mas.t-systems-service.com
- 217.150.155.12 ↩ mgb-mta02.mas.t-systems-service.com
- 46.29.101.1 ↩ muc-mta01.mas.t-systems-service.com
- 46.29.101.2 ↩ muc-mta02.mas.t-systems-service.com
- 94.100.254.155 ↩ ffm-mta01.mas.t-systems-service.com
SOA Record
Raw SOA
ns1.vodafone-ip.de hostmaster.adm.arcor.net 2023072400 28800 14400 1814400 7200
Primary NS (mname)
ns1.vodafone-ip.de
Admin Email (rname)
hostmaster@adm.arcor.net
Serial
2023072400
Refresh
28800s
Retry
14400s
Expire
1814400s
Minimum TTL
7200s
Nameservers (NS)
ns3.vodafone-ip.de
ns1.vodafone-ip.de
ns2.vodafone-ip.de
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 mx -all
- MS=ms86918050
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