c2ts.de

Valid Email Server
Domain Lookup › c2ts.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
c2ts.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-27 16:39:04 UTC · ↺ Refresh

MX Hostnames

  • c2ts-de.mail.protection.outlook.com

MX Priorities

  • c2ts-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 188.68.47.60 ↩ a2f3c.netcup.net
  • 2a03:4000:30:396b::11:4779 (no PTR)

Mail Server IPs

  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA root-dns.netcup.net dnsadmin.netcup.net 2023080714 28800 7200 1209600 86400
Primary NS (mname)
root-dns.netcup.net
Admin Email (rname)
dnsadmin@netcup.net
Serial
2023080714
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

second-dns.netcup.net
root-dns.netcup.net
third-dns.netcup.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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
  • google-site-verification=Ti44eBY6nqgoQVLTMU-dj6e42GefIXtuMNvIvQQh2n0
  • MS=ms13717690
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