Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
coredux.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 21:23:41 UTC · ↺ Refresh
MX Hostnames
- coredux-com.mail.protection.outlook.com
MX Priorities
- coredux-com.mail.protection.outlook.com: 0
A / AAAA Records
- 213.136.12.251 ↩ http-linux-two.lb.network.bit.nl
- 2001:7b8:3:5::80:10 ↩ http-linux-two.lb.bit.nl
Mail Server IPs
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.oxilion.nl postmaster.oxilion.nl 2026040109 14400 3600 604800 600
Primary NS (mname)
ns1.oxilion.nl
Admin Email (rname)
postmaster@oxilion.nl
Serial
2026040109
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns2.oxilion.nl
ns3.oxilion.net
ns1.oxilion.nl
SPF Record
✓ Soft Fail (~all)
v=spf1 a ip4:80.124.65.250 ip4:195.101.211.109 ip4:92.65.26.161 ip4:31.161.27.162 ip4:31.149.128.41 ip4:31.161.27.162 ip4:31.161.27.178 include:spf.protection.outlook.com include:spf.afas.online include:spf-breaks-email.bit.nl include:spf.ess.de.barracudanetworks.com include:spf-westeu.emailsignatures365.com include:spf.atps.nl ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; sp=quarantine; adkim=r; aspf=r; fo=1; rf=afrf; ri=86400; rua=mailto:[email protected], mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
↳ Subdomain policy: quarantine
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
6 records- MS=ms64097874
- google-site-verification=Pkih0f6CefDTvECL3GWdR1EqZ1gHAO1kkg2ZLdOpC84
- apple-domain-verification=fIwpCr9hEMoXUzp9
- asap-site-verification-8e041591-70ef-45fe-aa39-7705f0a6f04e
- SPFv=spf1 a ip4:80.124.65.250 ip4:195.101.211.109 ip4:92.65.26.161 ip4:31.161.27.162 ip4:31.149.128.41 ip4:31.161.27.162 ip4:31.161.27.178 include:spf.protection.outlook.com include:spf.afas.online include:spf-breaks-email.bit.nl include:spf.ess.de.barracudanetworks.com include:spf-westeu.emailsignatures365.com include:spf.atps.nl ~all
- spycloud-domain-verification=07dddd85-f97f-4f99-95eb-7ba6bc8e9701
Full email verification for coredux.com
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