Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tlk-thermo.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 18:46:30 UTC · ↺ Refresh
MX Hostnames
- tlkthermo-de0i.mail.protection.outlook.com
MX Priorities
- tlkthermo-de0i.mail.protection.outlook.com: 0
A / AAAA Records
- 5.75.138.11 ↩ static.11.138.75.5.clients.your-server.de
Mail Server IPs
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.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:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1106.ui-dns.org hostmaster.schlund.de 2016042723 28800 7200 604800 300
Primary NS (mname)
ns1106.ui-dns.org
Admin Email (rname)
hostmaster@schlund.de
Serial
2016042723
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1106.ui-dns.de
ns1106.ui-dns.biz
ns1106.ui-dns.org
ns1106.ui-dns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.de include:spf.protection.outlook.com include:_spf.perfora.net include:_spf.kundenserver.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
3 records- google-site-verification=LnyIV1aBcYnRv8fVubscm8_L011vhCTkOpkDTgPkDnE
- MS=ms86312439
- SPFv=spf1 include:spf.protection.outlook.de include:spf.protection.outlook.com include:_spf.perfora.net include:_spf.kundenserver.de -all
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