obermain.de

Valid Email Server
Domain Lookup › obermain.de

Domain Overview

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

Checked via [email protected] · 2026-03-27 15:06:00 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 13.248.139.131 ↩ a568090c106191f87.awsglobalaccelerator.com

Mail Server IPs

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

SOA Record

Raw SOA dns.iwelt-ag.net domainmaster.iwelt-ag.net 2025091601 43200 3600 2419200 180
Primary NS (mname)
dns.iwelt-ag.net
Admin Email (rname)
domainmaster@iwelt-ag.net
Serial
2025091601
Refresh
43200s
Retry
3600s
Expire
2419200s
Minimum TTL
180s

Nameservers (NS)

dns3.iwelt-ag.de
dns2.iwelt-ag.net
dns.iwelt-ag.net

SPF Record

✓ Soft Fail (~all)
v=spf1 mx include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf.fidion.de include:agenturserver.de include:_spfi.evolver.de include:antispameurope.com include:spf.mandrillapp.com ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

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
  • SPFv=spf1 mx include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf.fidion.de include:agenturserver.de include:_spfi.evolver.de include:antispameurope.com include:spf.mandrillapp.com ~all
  • knowbe4-site-verification=be845072b89dadb5519e686aecac8301
  • MS=ms27969703
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