Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
a-rosa.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 23:21:28 UTC · ↺ Refresh
MX Hostnames
- mx01.hornetsecurity.com
- mx04.hornetsecurity.com
- mx03.hornetsecurity.com
- mx02.hornetsecurity.com
MX Priorities
- mx02.hornetsecurity.com: 20
- mx01.hornetsecurity.com: 10
- mx04.hornetsecurity.com: 40
- mx03.hornetsecurity.com: 30
A / AAAA Records
- 49.12.244.65 ↩ rhino12.nets.de
- 2a01:4f8:c013:1a73::1 ↩ rhino12.nets.de
Mail Server IPs
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
SOA Record
Raw SOA
a.ns14.net domains.nets.de 2025121509 43200 7200 1209600 300
Primary NS (mname)
a.ns14.net
Admin Email (rname)
domains@nets.de
Serial
2025121509
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
d.ns14.net
b.ns14.net
c.ns14.net
a.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.dsr-hotelholding.de ip4:212.27.79.46 ip4:128.140.60.143 ip6:2a01:4f8:c012:2fd8::1 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=reject;pct=100;ruf=mailto:[email protected];adkim=r;aspf=s;fo=s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
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- JZ1MHKzhKHKSa3viQ87R209ZqGwTfwPtC5OUTU9FB/92T0VF+RdWpUtxdQjEIBjLZKYAmwqT+Hah+VkGOcHSbw==
- apple-domain-verification=6sDjAT3B25s5OJh1
- SPFv=spf1 include:spf.dsr-hotelholding.de ip4:212.27.79.46 ip4:128.140.60.143 ip6:2a01:4f8:c012:2fd8::1 -all
- ciscocidomainverification=79c9c2a001d63914908dd03a6da3453d6e0c5f44a8ec7dd96046e9c5de20f6f8
- MS=ms81602408
- pinterest-site-verification=cd021ecbe14a6f99747d90900fe21471
- google-site-verification=UTP--tCEpwD-za7zJmohJqhZoGRFY0ce7Up2Fhs3Mz8
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