Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
norbertkordes.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 20:49:57 UTC · ↺ Refresh
MX Hostnames
- norbertkordes-de.mail.protection.outlook.com
MX Priorities
- norbertkordes-de.mail.protection.outlook.com: 10
A / AAAA Records
- 81.169.145.86 ↩ w86.rzone.de
- 2a01:238:20a:202:1086:: ↩ w86.rzone.de
Mail Server IPs
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
docks19.rzone.de hostmaster.strato-rz.de 2020051584 86400 7200 604800 300
Primary NS (mname)
docks19.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051584
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks19.rzone.de
shades16.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:62.159.246.141 include:spf.protection.outlook.com include:spf.DE.exclaimer.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; fo=1; aspf=s; adkim=s; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 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- duo_sso_verification=b1UwGnidFC8D3oh5j9l86mC2gbudPoiZkc4kDB8SnGtGbXdj7QTQzjmcO19BHTC6
- SPFv=spf1 ip4:62.159.246.141 include:spf.protection.outlook.com include:spf.DE.exclaimer.net -all
- apple-domain-verification=ggDHUHhjr7sLA1dr
- sophos-domain-verification=b1a5bce75ada9b8835da9a0eaf91d40e2efb382313cebd022dad6e3e2597570b
Full email verification for norbertkordes.de
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