Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
thf-berlin.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-18 06:59:19 UTC · ↺ Refresh
MX Hostnames
- mailthf.thf-berlin.de
- thfberlin-de0i.mail.protection.outlook.com
MX Priorities
- thfberlin-de0i.mail.protection.outlook.com: 0
- mailthf.thf-berlin.de: 100
A / AAAA Records
- 185.215.158.114 (no PTR)
Mail Server IPs
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 217.110.5.50 ↩ smtp.thf-berlin.de
SOA Record
Raw SOA
ns1.domaindiscount24.net tech.key-systems.net 2026041501 10800 3600 604800 28800
Primary NS (mname)
ns1.domaindiscount24.net
Admin Email (rname)
tech@key-systems.net
Serial
2026041501
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
ns1.domaindiscount24.net
ns3.domaindiscount24.net
ns2.domaindiscount24.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:217.110.5.50 ip4:217.110.5.54 include:agenturserver.de include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=s;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
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
5 records- apple-domain-verification=2QPWSMaAjoyNLF6J
- domainVerification=e4ba99ac-7ebf-4e74-b511-a452e17f6ab1
- SPFv=spf1 ip4:217.110.5.50 ip4:217.110.5.54 include:agenturserver.de include:spf.protection.outlook.com -all
- n4gf5uabrcrav4qnah9ai0s70r
- @MS=ms76994471
Full email verification for thf-berlin.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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