Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dct.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 02:45:15 UTC · ↺ Refresh
MX Hostnames
- dct-de.mail.protection.outlook.com
MX Priorities
- dct-de.mail.protection.outlook.com: 10
A / AAAA Records
- 62.154.212.15 ↩ www.dct.de
Mail Server IPs
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
pns.dtag.de dns.telekom.de 2026032600 10800 3600 2419200 3600
Primary NS (mname)
pns.dtag.de
Admin Email (rname)
dns@telekom.de
Serial
2026032600
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:mail.dct.de ip4:62.154.212.89 ip4:87.118.90.191 ip4:89.212.119.196 include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
1 record- SPFv=spf1 mx a:mail.dct.de ip4:62.154.212.89 ip4:87.118.90.191 ip4:89.212.119.196 include:spf.protection.outlook.com ~all
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