oab.de

Valid Email Server
Domain Lookup › oab.de

Domain Overview

DNS: ✓ 1mo ago Checker: ✓ 1mo ago
oab.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-06 14:50:57 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 217.160.0.238 ↩ 217-160-0-238.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::215 ↩ 2001-08d8-100f-f000-0000-0000-0000-0215.elastic-ssl.ui-r.com

Mail Server IPs

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

SOA Record

Raw SOA ns1096.ui-dns.com hostmaster.1und1.de 2017073266 28800 7200 604800 300
Primary NS (mname)
ns1096.ui-dns.com
Admin Email (rname)
hostmaster@1und1.de
Serial
2017073266
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1096.ui-dns.biz
ns1096.ui-dns.org
ns1096.ui-dns.com
ns1096.ui-dns.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.hornetsecurity.com include:server.shycloud.net ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

4 records
  • duo_sso_verification=vjS01O4Pl4wg9jkm3tzaDZ2c50uLjnnZrZsZ39JVlq1Jeypfd8KGcwPmbVC5NHST
  • apple-domain-verification=m0ZYJkxWTf6GXAlR
  • SPFv=spf1 include:spf.hornetsecurity.com include:server.shycloud.net ~all
  • atlassian-domain-verification=WRqcABQIaoTxaGFO7LW2fpAr3OVqmtaxa53p1ZSFiIBcsWua8BB3sEJUb/hcOX4d
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