mountainphotonics.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-19 02:05:05 UTC · ↺ Refresh

MX Hostnames

  • mx04.hornetsecurity.com
  • mx02.hornetsecurity.com
  • mx03.hornetsecurity.com
  • mx01.hornetsecurity.com

MX Priorities

  • mx04.hornetsecurity.com: 40
  • mx01.hornetsecurity.com: 10
  • mx03.hornetsecurity.com: 30
  • mx02.hornetsecurity.com: 20

A / AAAA Records

  • 217.160.0.129 ↩ 217-160-0-129.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::252 ↩ 2001-08d8-100f-f000-0000-0000-0000-0252.elastic-ssl.ui-r.com

Mail Server IPs

  • 94.100.136.7 ↩ mx04.hornetsecurity.com
  • 94.100.132.8 ↩ mx01.hornetsecurity.com
  • 94.100.134.8 ↩ mx03.hornetsecurity.com
  • 94.100.136.8 ↩ mx02.hornetsecurity.com

SOA Record

Raw SOA ns1117.ui-dns.org hostmaster.1und1.com 2017060140 28800 7200 604800 600
Primary NS (mname)
ns1117.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060140
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1033.ui-dns.de
ns1071.ui-dns.com
ns1056.ui-dns.biz
ns1117.ui-dns.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:_spf-eu.ionos.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;sp=reject;pct=100;ri=86400;aspf=r;adkim=r;fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

2 records
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:_spf-eu.ionos.com ~all
  • MS=ms68660790
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