w-k.art

Valid Email Server

Domain Overview

DNS: ✓ 8d ago Checker: ✓ 8d ago
w-k.art
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-06 00:34:08 UTC · ↺ Refresh

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MX Hostnames

  • wk-art0c.mail.protection.outlook.com

MX Priorities

  • wk-art0c.mail.protection.outlook.com: 0

A / AAAA Records

  • 149.126.4.84 ↩ s075.cyon.net
  • 2a01:ab20:0:4::84 ↩ s075.cyon.net

Mail Server IPs

  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.209.153 ↩ mail-cpjpr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::10 ↩ mail-miypr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c967::a ↩ mail-cpjpr05cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.cyon.ch server.cyon.ch 2023090101 86400 7200 3600000 86400
Primary NS (mname)
ns1.cyon.ch
Admin Email (rname)
server@cyon.ch
Serial
2023090101
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns2.cyon.ch
ns1.cyon.ch

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.mailersend.net +a +mx +ip4:194.126.200.0/24 +ip4:149.126.0.0/21 include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 include:_spf.mailersend.net +a +mx +ip4:194.126.200.0/24 +ip4:149.126.0.0/21 include:spf.protection.outlook.com -all
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