Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
swz.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 04:13:29 UTC · ↺ Refresh
MX Hostnames
- swz-de.mail.protection.outlook.com
MX Priorities
- swz-de.mail.protection.outlook.com: 10
A / AAAA Records
- 185.15.193.115 ↩ r17661.agenturserver.it
Mail Server IPs
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.heartbytes.de hostmaster.heartbytes.de 2025080201 86400 7200 604800 86400
Primary NS (mname)
ns01.heartbytes.de
Admin Email (rname)
hostmaster@heartbytes.de
Serial
2025080201
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns.noris.de
ns01.heartbytes.de
dns.noris.ch
dns.noris.net
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4: 185.15.193.115 include:spf.bitwings.de include:spf.noris.net include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ 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
3 records- MS=ms55212859
- SPFv=spf1 a mx ip4: 185.15.193.115 include:spf.bitwings.de include:spf.noris.net include:spf.protection.outlook.com -all
- facebook-domain-verification=eho6eg3k8ejwvtifz6med2sxhuzmtl
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