fabianschiller.de

Valid Email Server
Domain Lookup › fabianschiller.de

Domain Overview

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

Checked via [email protected] · 2026-03-21 15:50:34 UTC · ↺ Refresh

MX Hostnames

  • mx.mail.core.io
  • mx.mail.coreio.de

MX Priorities

  • mx.mail.core.io: 10
  • mx.mail.coreio.de: 20

A / AAAA Records

  • 80.190.131.245 ↩ http.blacksheep.srv.customer.skylime.net
  • 2a01:138:a015:babe::50be:83f5 ↩ http.blacksheep.srv.customer.skylime.net

Mail Server IPs

  • 80.190.131.201 ↩ mx.mail.core.io
  • 2a01:138:a015:babe::ffff:50be:83c9 ↩ mx.mail.core.io
  • 80.190.131.147 ↩ mx.mail.coreio.de
  • 2a01:138:a015:babe::ffff:50be:8392 ↩ mx.mail.coreio.de

SOA Record

Raw SOA ns.core.io hostmaster.core.io 1738577101 172800 900 1209600 3600
Primary NS (mname)
ns.core.io
Admin Email (rname)
hostmaster@core.io
Serial
1738577101
Refresh
172800s
Retry
900s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns.coreio.nl
ns.core.io
ns.coreio.de

SPF Record

✓ Strict (-all)
v=spf1 mx a:smtp.reco.io a:mail.reco-systems.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

1 record
  • SPFv=spf1 mx a:smtp.reco.io a:mail.reco-systems.de -all
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