Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
elektro-hw.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 15:48:50 UTC · ↺ Refresh
MX Hostnames
- mx01.hornetsecurity.com
- mx04.hornetsecurity.com
- mx02.hornetsecurity.com
- mx03.hornetsecurity.com
MX Priorities
- mx03.hornetsecurity.com: 30
- mx01.hornetsecurity.com: 10
- mx04.hornetsecurity.com: 40
- mx02.hornetsecurity.com: 20
A / AAAA Records
- 142.132.248.223 ↩ server1.ext-com.de
Mail Server IPs
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
SOA Record
Raw SOA
nsa9.schlundtech.de do-not-reply.elektro-hw.com 2022050501 43200 7200 1209600 86400
Primary NS (mname)
nsa9.schlundtech.de
Admin Email (rname)
do-not-reply@elektro-hw.com
Serial
2022050501
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsa9.schlundtech.de
nsb9.schlundtech.de
nsc9.schlundtech.de
nsd9.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
⚠ Public key (p=) missing in DKIM record for selector default.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
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