Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tk-nr.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 04:06:37 UTC · ↺ Refresh
MX Hostnames
- TKNR-de0e.mail.protection.outlook.com
MX Priorities
- tknr-de0e.mail.protection.outlook.com: 0
A / AAAA Records
- 144.76.35.91 ↩ mc1.milkycode.net
Mail Server IPs
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
dns.dns1.de hostmaster.internetwire.de 2023032302 28800 7200 604800 86400
Primary NS (mname)
dns.dns1.de
Admin Email (rname)
hostmaster@internetwire.de
Serial
2023032302
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns.dns1.de
dns.dns2.de
dns.dns3.de
dns.dns4.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -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
3 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=789B503F1FA974E24C99BF21B6B0A3445B6CFF88
- MS=ms96011699
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