Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
herzau-schmitt.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 15:29:21 UTC · ↺ Refresh
MX Hostnames
- herzauschmitt-de01e.mail.protection.outlook.com
MX Priorities
- herzauschmitt-de01e.mail.protection.outlook.com: 5
A / AAAA Records
- 46.252.195.98 ↩ 98.195.252.46.host.secureserver.net
- 2a00:1169:110:97c0:: (no PTR)
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ 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
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
dns4.nethinks.com hesterberg.sldv.de 1750671907 10800 3600 604800 10800
Primary NS (mname)
dns4.nethinks.com
Admin Email (rname)
hesterberg@sldv.de
Serial
1750671907
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
dns4.nethinks.com
dns3.nethinks.com
dns2.nethinks.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:212.184.180.162 include:spf.protection.outlook.com include:spf.sendinblue.com mx -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]!10m; ruf=mailto:[email protected]!10m; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]!10m
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- Sendinblue-code:58290c4ccc19bf0f8c7a14cbc5183eef
- SPFv=spf1 ip4:212.184.180.162 include:spf.protection.outlook.com include:spf.sendinblue.com mx -all
- MS=ms31843709
- MS=ms91629463
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