calculat.de

Valid Email Server
Domain Lookup › calculat.de

Domain Overview

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

Checked via [email protected] · 2026-03-19 20:26:48 UTC · ↺ Refresh

MX Hostnames

  • mail.calculat.de

MX Priorities

  • mail.calculat.de: 10

A / AAAA Records

  • 185.175.196.35 (no PTR)
  • 2a00:1c98:60:1051::5be9:b920 (no PTR)

Mail Server IPs

  • 217.110.5.139 ↩ mail.calculat.de

SOA Record

Raw SOA ns1083.ui-dns.com hostmaster.1und1.de 2016110456 28800 7200 604800 300
Primary NS (mname)
ns1083.ui-dns.com
Admin Email (rname)
hostmaster@1und1.de
Serial
2016110456
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1083.ui-dns.com
ns1083.ui-dns.biz
ns1083.ui-dns.de
ns1083.ui-dns.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com mx ip4:217.110.5.139 include:_spf-eu.ionos.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0:1; adkim=s; aspf=s; pct=100; rf=afrf; sp=reject
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

4 records
  • _globalsign-domain-verification=wTuflDmf8qc6ZytNSYcy5A0ch6z1F2jViVk-T1J-l0
  • SPFv=spf1 include:spf.protection.outlook.com mx ip4:217.110.5.139 include:_spf-eu.ionos.com ~all
  • _globalsign-domain-verification=TvVy10_772hQheeWEnYV7YW2__TCqmKY5luIJJkS9q
  • v=verifydomain MS=4990298
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