Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rijkzwaan.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 14:28:03 UTC · ↺ Refresh
MX Hostnames
- rijkzwaan-de.mail.protection.outlook.com
MX Priorities
- rijkzwaan-de.mail.protection.outlook.com: 10
A / AAAA Records
- 104.18.1.72 (no PTR)
- 104.18.0.72 (no PTR)
- 2606:4700::6812:48
- 2606:4700::6812:148
Mail Server IPs
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
alla.ns.cloudflare.com dns.cloudflare.com 2399733273 10000 2400 604800 1800
Primary NS (mname)
alla.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399733273
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
duke.ns.cloudflare.com
alla.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf2.rijkzwaan.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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
7 records- SPFv=spf1 include:spf2.rijkzwaan.com -all
- adobe-idp-site-verification=69ef7a254cd54143cdfc9ddfba9bac1e61062569fad0c5429992b52c5e588000
- atlassian-domain-verification=FmPx8EltSUegeBXxN8kTBpYjb1kXavrk19cq16p7vtTf2/8bkZC3Su11wBDv1d65
- docusign=190f4d9c-f8f2-4bb0-bcfe-a48764b2577a
- ecostruxure-it-verification=4691bd57-b9a5-4570-b0e0-a85649991140
- google-site-verification=pRlCQStqeJ3lslsqcgMHabxk0rtPV38fWHhMrzFN99Y
- miro-verification=b2a4b77ae8d49950fd9c3e637ac5879c77413bca
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