Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
elektro-arenz.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 18:35:38 UTC · ↺ Refresh
MX Hostnames
- elektroarenz-de01i.mail.protection.outlook.com
MX Priorities
- elektroarenz-de01i.mail.protection.outlook.com: 10
A / AAAA Records
- 212.79.188.199 ↩ www.elektro-arenz.de
Mail Server IPs
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
SOA Record
Raw SOA
dns.tops.net guardian.tops.net 2019122001 28800 7200 1814400 86400
Primary NS (mname)
dns.tops.net
Admin Email (rname)
guardian@tops.net
Serial
2019122001
Refresh
28800s
Retry
7200s
Expire
1814400s
Minimum TTL
86400s
Nameservers (NS)
dns.tops.net
ns2.tops.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms33271119
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