Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
corteco.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 11:42:34 UTC · ↺ Refresh
MX Hostnames
- corteco-de.mail.protection.outlook.com
MX Priorities
- corteco-de.mail.protection.outlook.com: 0
A / AAAA Records
- 195.201.215.90 ↩ dedi5677.your-server.de
- 2a01:4f8:d0a:666f::2 ↩ dedi5677.your-server.de
Mail Server IPs
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
dns01.dipcon.com registry.ports.net 2025030600 1800 900 1814400 600
Primary NS (mname)
dns01.dipcon.com
Admin Email (rname)
registry@ports.net
Serial
2025030600
Refresh
1800s
Retry
900s
Expire
1814400s
Minimum TTL
600s
Nameservers (NS)
dns03.ports.se
dns02.ports.se
dns04.ports.net
dns01.dipcon.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:80.150.93.46 ip4:80.150.93.47 ip4:62.116.144.28 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]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
8 records- _c255cttzu59elf1req2wqgzxvpe2w6n
- 1CjFca5MpFFA3dAbwIKkjWEgJ46seHUcaoKYMTcwtv6pPVjmlROyaVRYTiq05xxE0DmmFRb7m18Znn316eRItQ==
- SPFv=spf1 a mx ip4:80.150.93.46 ip4:80.150.93.47 ip4:62.116.144.28 include:spf.protection.outlook.com ~all
- d365mktkey=ar70hbmUaOhBdsocxxvBRqCPXvJkDUxf9f7ZmM58QT0x
- YsgRlHDGUgK5MlAHHlxcVEd2pYKNS75RNp0HxhbAUpmKydP2GExkEd2eNB7ncbT/OOggqmaR2U7Ek0/X22GWYw==
- p830v7foqi7odvpeae10omhmp0
- MS=ms36165171
- PeujZZoH0AGNOeNoa2lxiG2v4yXzQw/+/w6y4yvD3EQ=
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