arko.de

Valid Email Server
Domain Lookup › arko.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
arko.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-03 18:51:25 UTC · ↺ Refresh

MX Hostnames

  • mx-01-eu-central-1.prod.hydra.sophos.com
  • mx-02-eu-central-1.prod.hydra.sophos.com

MX Priorities

  • mx-02-eu-central-1.prod.hydra.sophos.com: 90
  • mx-01-eu-central-1.prod.hydra.sophos.com: 80

A / AAAA Records

  • 172.67.210.17 (no PTR)
  • 104.21.42.205 (no PTR)
  • 2606:4700:3035::ac43:d211 (no PTR)
  • 2606:4700:3033::6815:2acd (no PTR)

Mail Server IPs

  • 18.159.80.41 ↩ ec2-18-159-80-41.eu-central-1.compute.amazonaws.com
  • 52.57.183.85 ↩ ec2-52-57-183-85.eu-central-1.compute.amazonaws.com

SOA Record

Raw SOA eric.ns.cloudflare.com dns.cloudflare.com 2399681668 10000 2400 604800 1800
Primary NS (mname)
eric.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399681668
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

nelly.ns.cloudflare.com
eric.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:195.201.174.181/32 ip4:31.3.87.178/32 ip4:87.190.4.84/32 include:_spf_eucentral1.prod.hydra.sophos.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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

3 records
  • MS=ms30345461
  • sophos-domain-verification=a0666604318264a7581bad9bb716d50c560579f9
  • SPFv=spf1 mx ip4:195.201.174.181/32 ip4:31.3.87.178/32 ip4:87.190.4.84/32 include:_spf_eucentral1.prod.hydra.sophos.com -all
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