Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
deos-ag.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 23:23:27 UTC · ↺ Refresh
MX Hostnames
- mx04.hornetsecurity.com
- mx01.hornetsecurity.com
- mx02.hornetsecurity.com
- mx03.hornetsecurity.com
MX Priorities
- mx01.hornetsecurity.com: 10
- mx04.hornetsecurity.com: 40
- mx02.hornetsecurity.com: 20
- mx03.hornetsecurity.com: 30
A / AAAA Records
- 136.243.84.68 ↩ k39s51.meinserver.io
Mail Server IPs
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
SOA Record
Raw SOA
ns01.deltacity.net hostmaster.deltacity.net 2026012701 28800 7200 604800 86400
Primary NS (mname)
ns01.deltacity.net
Admin Email (rname)
hostmaster@deltacity.net
Serial
2026012701
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns2.epag.net
ns01.deltacity.net
dns1.epag.net
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:188.64.254.16/28 include:_spf.perfora.net include:_spf.kundenserver.de include:spf.protection.outlook.com include:spf.hornetsecurity.com include:20368432.spf05.hubspotemail.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; ri=43200
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
9 records- ms-domain-verification=099d9796-a2f9-41f7-a6c9-45c6f4c7e49e
- apple-domain-verification=mdB1CLEKskugAnos
- sophos-domain-verification=47c569783c1506abd59b7171ca538c12fc4b24a424d94a73ac120e9048798f86
- atlassian-domain-verification=Ik2RdBPWacMOSs1yBWYABLfu/05AzQ1XKfnpcMbR7ALYvSlOo9YqmSNj6pUIZUCv
- google-site-verification=8696Ub55PesyJReF6QAgYE_Atc3ZSiI4GhcEuOqDKXE
- miro-verification=5a8e45959cd35c1dd5846831bb4c637faafccb71
- SPFv=spf1 mx ip4:188.64.254.16/28 include:_spf.perfora.net include:_spf.kundenserver.de include:spf.protection.outlook.com include:spf.hornetsecurity.com include:20368432.spf05.hubspotemail.net -all
- _hvowr4dhq3lilckji0nzhvtvvp90gdb
- GYsE9vMJpVOboOHr2QxvVqSDMC1Y0CWCBZHG/XlOJQpa3PPpo9L2EoSN2FdPq3ytuTr6ImlDg12luE5W150niw==
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