Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hz-mainzlar.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 05:14:40 UTC · ↺ Refresh
MX Hostnames
- hzmainzlar-de0e.mail.protection.outlook.com
MX Priorities
- hzmainzlar-de0e.mail.protection.outlook.com: 10
A / AAAA Records
- 91.241.44.102 ↩ ww2.nlab-hosting.de
Mail Server IPs
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
ns0.netzlaboranten.de admin.nlab-hosting.de 2026031101 10800 3600 604800 10800
Primary NS (mname)
ns0.netzlaboranten.de
Admin Email (rname)
admin@nlab-hosting.de
Serial
2026031101
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns0.netzlaboranten.de
ns2.netzlaboranten.de
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict 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
✓ 1 found
default._domainkey
✓ Public key: 5 chars (valid)
⚠ Public key too short (5 chars) — DKIM may be invalid.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms23427888
- swisssign-check=X5Py_XM1CfxYCX_fC4mftkWUUFs
- SPFv=spf1 a mx include:spf.protection.outlook.com -all
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