Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ctcon.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 14:20:30 UTC · ↺ Refresh
MX Hostnames
- ctcon-de.mail.protection.outlook.de
MX Priorities
- ctcon-de.mail.protection.outlook.de: 10
A / AAAA Records
- 178.16.59.218 ↩ r11308.agenturserver.it
Mail Server IPs
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.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
SOA Record
Raw SOA
ns55.domaincontrol.com dns.jomax.net 2026030900 28800 7200 604800 600
Primary NS (mname)
ns55.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026030900
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns55.domaincontrol.com
ns56.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:2.207.128.222 ip4:2.207.128.221 ip4:87.193.160.43 ip4:87.193.160.46 ip4:87.193.160.34 ip4:2.207.128.212 ip4:88.79.95.98 include:spf.protection.outlook.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;adkim=r;aspf=r;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 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
4 records- swisssign-check=m0hGtFu6yLHAw49ictNYjWRSw-U
- apple-domain-verification=vtq46q0DX4X12CIJ
- adobe-idp-site-verification=3ecf09ae230c9b565a0f7541677f4670567b857f99021ab49d35b26dbc82ce91
- SPFv=spf1 ip4:2.207.128.222 ip4:2.207.128.221 ip4:87.193.160.43 ip4:87.193.160.46 ip4:87.193.160.34 ip4:2.207.128.212 ip4:88.79.95.98 include:spf.protection.outlook.de -all
Full email verification for ctcon.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits