herald-td.com

Valid Email Server
Domain Lookup › herald-td.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
herald-td.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 06:43:05 UTC · ↺ Refresh

MX Hostnames

  • mailin2.herald-td.com
  • mailin1.herald-td.com

MX Priorities

  • mailin2.herald-td.com: 100
  • mailin1.herald-td.com: 10

A / AAAA Records

  • 213.188.134.221 (no PTR)

Mail Server IPs

  • 45.13.137.105 ↩ m1-u7-mx.websupport.cz
  • 2a00:4b40:aaaa:2101:45:13:137:103 ↩ mx10.websupport.cz
  • 45.13.137.112 ↩ m1-u5-mx.websupport.hu
  • 2a00:4b40:aaaa:2101:45:13:137:112 (no PTR)

SOA Record

Raw SOA ns1.websupport.cz admin.websupport.cz 1763336058 7200 2048 1048576 2560
Primary NS (mname)
ns1.websupport.cz
Admin Email (rname)
admin@websupport.cz
Serial
1763336058
Refresh
7200s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s

Nameservers (NS)

ns1.websupport.cz
ns2.websupport.cz
ns3.websupport.eu

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.active24.com include:_spf.m1.websupport.sk ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

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

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

All TXT Records

1 record
  • SPFv=spf1 include:spf.active24.com include:_spf.m1.websupport.sk ~all
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