mtronline.de

Valid Email Server
Domain Lookup › mtronline.de

Domain Overview

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

Checked via [email protected] · 2026-04-03 06:27:19 UTC · ↺ Refresh

MX Hostnames

  • as8.mailrelaypro.net
  • as8.custdnw.net

MX Priorities

  • as8.mailrelaypro.net: 60
  • as8.custdnw.net: 50

A / AAAA Records

  • 185.243.135.129 ↩ shared-clump0115-web.agenturserver.it

Mail Server IPs

  • 193.24.239.63 ↩ as8.custdnw.net
  • 193.24.239.53 ↩ as8.custdnw.net

SOA Record

Raw SOA ns1.first-ns.de dns.hetzner.com 2026011400 14400 1800 604800 86400
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026011400
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns1.first-ns.de
robotns3.second-ns.com
robotns2.second-ns.de

SPF Record

✓ Strict (-all)
v=spf1 a mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 736 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

3 records
  • SPFv=spf1 a mx -all
  • _globalsign-domain-verification=Ft_deKrYaiDeCDnYmS8S49bcxToXBqAVc2Cbr2qyLS
  • MS=5D713DF48472FA03EDA2DA60A824A04867E69334
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