Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
theresien-krankenhaus.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 13:37:40 UTC · ↺ Refresh
MX Hostnames
- mailrelay2.martha-maria.de
MX Priorities
- mailrelay2.martha-maria.de: 10
A / AAAA Records
- 185.191.120.79 (no PTR)
Mail Server IPs
- 217.7.173.200 ↩ mailrelay2.martha-maria.de
SOA Record
Raw SOA
pns.dtag.de dns.telekom.de 2025100101 10800 3600 2419200 3600
Primary NS (mname)
pns.dtag.de
Admin Email (rname)
dns@telekom.de
Serial
2025100101
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
pns.dtag.de
ns1.telekom.net
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a a:mailrelay2.martha-maria.de include:ispgateway.de include:spf.protection.outlook.com ip4:217.7.173.200 ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate 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
6 records- SPFv=spf1 mx a a:mailrelay2.martha-maria.de include:ispgateway.de include:spf.protection.outlook.com ip4:217.7.173.200 ~all
- MS=1A14B1FFFA4AFF0F32CE11A53200C0A0CDF9A51B
- MS=ms94905520
- 6W84kwQkJOQ1uoiAcosIxYKrXC6a3DqAST+d7e92aXTt3fKFee52p6zRDLqF8c8XCv7NG2tmRpEv/AmgOnsifA==
- apple-domain-verification=8T3PRupl0khqTuaZ
- p8vcdq8te159e5f5j9mf8cp7mc
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