fabianschiller.de

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
fabianschiller.de
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-21 15:50:34 UTC ยท โ†บ 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 โ†ฉ http.blacksheep.srv.customer.skylime.net
  • 2a01:138:a015:babe::50be:83f5 โ†ฉ http.blacksheep.srv.customer.skylime.net

Mail Server IPs

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

โœ“ Strict (-all)
v=spf1 mx a:smtp.reco.io a:mail.reco-systems.de -all
๐Ÿ“Š DNS lookups: 3/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100;
โš  p=none โ€” monitoring only, no enforcement
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ— None detected

No DKIM records found for common selectors โ€” 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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