Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rijkzwaan.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 22:33:35 UTC · ↺ Refresh
MX Hostnames
- rijkzwaan-com.mail.protection.outlook.com
MX Priorities
- rijkzwaan-com.mail.protection.outlook.com: 10
A / AAAA Records
- 104.18.3.174 (no PTR)
- 104.18.2.174 (no PTR)
- 2606:4700::6812:3ae
- 2606:4700::6812:2ae
Mail Server IPs
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
alla.ns.cloudflare.com dns.cloudflare.com 2399355946 10000 2400 604800 1800
Primary NS (mname)
alla.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399355946
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
alla.ns.cloudflare.com
duke.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- google-site-verification=3JkqHAKzR2qUcfH5g7UUJzu7cSG_UEy59e4mW8HCJzI
- miro-verification=b2a4b77ae8d49950fd9c3e637ac5879c77413bca
- SPFv=spf1 include:spf2.rijkzwaan.com -all
- adobe-idp-site-verification=69ef7a254cd54143cdfc9ddfba9bac1e61062569fad0c5429992b52c5e588000
- atlassian-domain-verification=FmPx8EltSUegeBXxN8kTBpYjb1kXavrk19cq16p7vtTf2/8bkZC3Su11wBDv1d65
- autodesk-domain-verification=JQ54at9PjXiMX5rRIFYo
- docusign=8bd3bc5f-dc5b-49d3-87c8-f6e12b1f98d7
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