cosmocode.de

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
cosmocode.de
Yes
โœ“ Yes
Google
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-04-04 06:18:22 UTC ยท โ†บ Refresh

MX Hostnames

  • aspmx3.googlemail.com
  • aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • aspmx2.googlemail.com
  • alt2.aspmx.l.google.com

MX Priorities

  • aspmx2.googlemail.com: 10
  • aspmx3.googlemail.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1

A / AAAA Records

  • 49.12.16.39 โ†ฉ k8slb.kube2.cosmoco.de
  • 2a01:4f8:c010:baaf::1 (no PTR)

Mail Server IPs

  • 108.177.123.27 โ†ฉ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.27 โ†ฉ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a โ†ฉ dj-in-f26.1e100.net
  • 142.251.16.27 โ†ฉ bl-in-f27.1e100.net
  • 2607:f8b0:4004:c25::1a โ†ฉ yuiadtq-in-f26.1e100.net

SOA Record

Raw SOA hydrogen.ns.hetzner.com dns.hetzner.com 2026032302 86400 600 1209600 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2026032302
Refresh
86400s
Retry
600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

helium.ns.hetzner.de
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com

SPF Record

โœ“ Strict (-all)
v=spf1 a include:_netblocks.internal.cosmocode.de include:_spf.google.com include:amazonses.com -all
๐Ÿ“Š DNS lookups: 4/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none; rua=mailto:[email protected];
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“ 2 found
google._domainkey
default._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ DKIM properly configured for selector: google

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

All TXT Records

4 records
  • SPFv=spf1 a include:_netblocks.internal.cosmocode.de include:_spf.google.com include:amazonses.com -all
  • atlassian-domain-verification=0SkqEoA4FOcKGrr/93XiGc0ooHb3LBCeVQT4Li4ITe1gFszbJv08UGCsJx7cfrFL
  • google-site-verification=HPR5QwCds0j7lc1pGZMLJPQk6ZxZZ-gg3u4fISUwU18
  • google-site-verification=Vdsn4V0s9Q0EXZD_zGDkKDgSjT2ZuIsvBaGEBltJsh4
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