Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
htai.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 03:25:11 UTC · ↺ Refresh
MX Hostnames
- mx01.hornetsecurity.com
- mx03.hornetsecurity.com
- mx04.hornetsecurity.com
- mx02.hornetsecurity.com
MX Priorities
- mx03.hornetsecurity.com: 30
- mx04.hornetsecurity.com: 40
- mx01.hornetsecurity.com: 10
- mx02.hornetsecurity.com: 20
A / AAAA Records
- 213.216.14.170 ↩ tools.hessen-agentur.de
Mail Server IPs
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
SOA Record
Raw SOA
ns.vistec.com root.ns.vistec.com 2025092401 86400 14400 1209600 3800
Primary NS (mname)
ns.vistec.com
Admin Email (rname)
root@ns.vistec.com
Serial
2025092401
Refresh
86400s
Retry
14400s
Expire
1209600s
Minimum TTL
3800s
Nameservers (NS)
ns2.vistec.net
ns1.vistec.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:213.216.0.0/19 include:spf.dynect.net include:spf.department-x.de include:spf.sendinblue.com include:spf.hornetsecurity.com ip4:213.216.17.189/32 include:spf.brevo.com ~all
📊 DNS lookups: 7/10
~ 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
mail._domainkey
dkim._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- DKIMv=DKIM1 k=rsa p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDBiG83trVtlMVE8GTZAGmnKXoWCRMeyWSr3aL8PBAqF5Xtidanoiv6iooQDuOww2JiMhk3y3inasza7otEYRQ4CPmnyAMVjwRCmR10TD5W6Jsy4MdMA1TbGqBVH+npM1KiKoZ7R/p4Q4FeXqg+94yI6jDBHUOuTLackkqrmkuWOwIDAQAB
- 9l3796l2577dp9t9nst9502nnp
- swisssign-check=YFq2xZIxMGm3OUkAIB7RXV0wkNHplOO9wlI1IH9Umb
- lime-domain-verification=C36C80D18FBBF4C
- Sendinblue-code:4de6b59529dc5760ba4ad8c483d4ef5d
- SPFv=spf1 a mx ip4:213.216.0.0/19 include:spf.dynect.net include:spf.department-x.de include:spf.sendinblue.com include:spf.hornetsecurity.com ip4:213.216.17.189/32 include:spf.brevo.com ~all
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