coba.com

Valid Email Server
Domain Lookup › coba.com

Domain Overview

DNS: ✓ 2h ago Checker: ✓ 2h ago
coba.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-23 07:37:19 UTC · ↺ Refresh

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MX Hostnames

  • cobainternational.com.mx4.fusemail.net
  • cobainternational.com.mx6.fusemail.net
  • cobainternational.com.mx5.fusemail.net

MX Priorities

  • cobainternational.com.mx6.fusemail.net: 30
  • cobainternational.com.mx4.fusemail.net: 10
  • cobainternational.com.mx5.fusemail.net: 20

A / AAAA Records

  • 77.72.2.49 ↩ roslin-lon.krystal.uk

Mail Server IPs

  • 192.162.219.49 ↩ mx41.electric.net

SOA Record

Raw SOA ns1.krystal.uk admin.k-validator-roslin-lon.krystal.uk 2026091701 3600 1800 1209600 86400
Primary NS (mname)
ns1.krystal.uk
Admin Email (rname)
admin@k-validator-roslin-lon.krystal.uk
Serial
2026091701
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns1.krystal.uk
ns2.krystal.uk

SPF Record

✓ Strict (-all)
v=spf1 ip4:77.72.2.49 include:relay.k.io ip4:77.72.1.226 ip4:194.75.225.154 ip4:194.75.225.156 ip4:196.35.198.0/24 include:spf.mailanyone.net include:spf.protection.outlook.com include:_spf.perfora.net include:_spf.kundenserver.de include:servers.mcsv.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

7 records
  • MS=ms15556629
  • 2/IFJZc6H3hnOzbSo/esiO+iLGc86K50yYSZbmJXlhzsv262TeOevnFA3grC7S9bPmYPAE9XLA8az3CPkX7x/Q==
  • SPFv=spf1 ip4:77.72.2.49 include:relay.k.io ip4:77.72.1.226 ip4:194.75.225.154 ip4:194.75.225.156 ip4:196.35.198.0/24 include:spf.mailanyone.net include:spf.protection.outlook.com include:_spf.perfora.net include:_spf.kundenserver.de include:servers.mcsv.net -all
  • google-site-verification=QgP2sr7fNtVsFO8Mjs7pPxKc3JifrsJNQS0ygyx-V_A
  • apple-domain-verification=l7cxKemXvpjKNtEa9j4Nav7tXwxHOeCPB_Or9_kdM7g
  • google-site-verification=m0uS9vtQ1L3vtOSbuJBY6hiR0N0Tn45cgdw9ktdgJ9E
  • MS=93FAE5A86997750432BB58D94E5919ABDFC5613F
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