isidata.de

Valid Email Server
Domain Lookup › isidata.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
isidata.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 19:59:06 UTC · ↺ Refresh

MX Hostnames

  • relay.isidata.de
  • relay.isidata.com

MX Priorities

  • relay.isidata.de: 10
  • relay.isidata.com: 20

A / AAAA Records

  • 87.138.238.186 ↩ relay.isidata.com

Mail Server IPs

  • 202.61.253.143 ↩ relay.isidata.de
  • 2a03:4000:55:ee5:58cd:49ff:fe4e:ca74 ↩ relay.isidata.de
  • 87.138.238.186 ↩ relay.isidata.com
  • 2003:a:d6e:4c00:250:56ff:fe99:8ca2 ↩ relay.isidata.com

SOA Record

Raw SOA root-dns.netcup.net dnsadmin.netcup.net 2026020854 28800 7200 1209600 86400
Primary NS (mname)
root-dns.netcup.net
Admin Email (rname)
dnsadmin@netcup.net
Serial
2026020854
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

third-dns.netcup.net
second-dns.netcup.net
root-dns.netcup.net

SPF Record

✓ Soft Fail (~all)
v=spf1 mx ~all
📊 DNS lookups: 1/10
~ 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 mx ~all
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