Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
haertle.gmbh
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 08:17:37 UTC · ↺ Refresh
MX Hostnames
- haertle-gmbh.mail.protection.outlook.com
MX Priorities
- haertle-gmbh.mail.protection.outlook.com: 10
A / AAAA Records
- 185.237.65.254 ↩ r28902.agenturserver.it
Mail Server IPs
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns25.ns25.de info.haertle.gmbh 2025090801 43200 7200 1209600 86400
Primary NS (mname)
ns25.ns25.de
Admin Email (rname)
info@haertle.gmbh
Serial
2025090801
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns25.ns25.de
ns27.ns27.de
ns26.ns26.de
ns28.ns28.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:185.237.65.254 ip4:212.227.126.187 include:_spf.nosurf.it include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=75
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
⚠ Policy applies to 75% of failing messages only
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 ip4:185.237.65.254 ip4:212.227.126.187 include:_spf.nosurf.it include:spf.protection.outlook.com -all
- MS=ms39457231
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