Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dirs21.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 10:41:38 UTC · ↺ Refresh
MX Hostnames
- mx01.hornetsecurity.com
- mx03.hornetsecurity.com
- mx04.hornetsecurity.com
- mx02.hornetsecurity.com
MX Priorities
- mx02.hornetsecurity.com: 20
- mx04.hornetsecurity.com: 40
- mx01.hornetsecurity.com: 10
- mx03.hornetsecurity.com: 30
A / AAAA Records
- 185.175.196.43 (no PTR)
- 2a00:1c98:60:1060::5e1c:3798 (no PTR)
Mail Server IPs
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
SOA Record
Raw SOA
ns1.plusserver.com hostmaster.plusserver.com 2026031901 1800 900 604800 900
Primary NS (mname)
ns1.plusserver.com
Admin Email (rname)
hostmaster@plusserver.com
Serial
2026031901
Refresh
1800s
Retry
900s
Expire
604800s
Minimum TTL
900s
Nameservers (NS)
ns1.plusserver.com
ns3.plusserver.com
ns2.plusserver.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a:dirs21.managed-otrs.com include:spf.crsend.com include:spf.protection.outlook.com include:spf.hornetsecurity.com include:mercury.wanconnect.de include:explorer.wanconnect.de include:_spf.rexx-suite.com include:spf.outbound.touronline.ag include:144743966.spf03.hubspotemail.net ~all
📊 DNS lookups: 9/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
7 records- sophos-domain-verification=ab5fc4fdd32dfa7ef2fc2bfb0b1a90389a979ac0
- DYtuHYksSdiyqZZWC52yNEoaqHj3SXx5/gXme7S7hSRqcq6jv43SiyiR8exmg2YCd8t58oizTJcQ/gXMFfhpjg==
- SPFv=spf1 a:dirs21.managed-otrs.com include:spf.crsend.com include:spf.protection.outlook.com include:spf.hornetsecurity.com include:mercury.wanconnect.de include:explorer.wanconnect.de include:_spf.rexx-suite.com include:spf.outbound.touronline.ag include:144743966.spf03.hubspotemail.net ~all
- 144743966.group0.sites.hscoscdn-eu1.net
- m9vjxhvtmkdywrhbfztrcfs311pqp58d
- google-site-verification=b69zvMQ2oIfEbysUw50YmVPZ4Nsw3Sgl67hN4_3TGb8
- VrCgLjAPC1qWYkdLFSj2boteV2kJ2TR0ehwkHEi8PFXaou7ZJTTH31+WbWEn7sS3uVPEp+YXUR283L6aoC10lQ==
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