Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ventiltechnik.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 19:44:37 UTC · ↺ Refresh
MX Hostnames
- ventiltechnik-de.mail.protection.outlook.com
MX Priorities
- ventiltechnik-de.mail.protection.outlook.com: 0
A / AAAA Records
- 185.166.22.216 ↩ r31825.agenturserver.it
Mail Server IPs
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.dts-online.net hostmaster.dts-online.net 2026020400 16384 2048 1048576 2560
Primary NS (mname)
ns1.dts-online.net
Admin Email (rname)
hostmaster@dts-online.net
Serial
2026020400
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns3.icsmedia.de
ns2.dts-online.net
ns1.dts-online.net
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:90.153.3.170 include:agenturserver.de include:spf.crsend.com include:spf.protection.outlook.com include:spf.emailsignatures365.com include:spf-de.emailsignatures365.com include:ispgateway.de include:27136197.spf03.hubspotemail.net -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- apple-domain-verification=vmYyX4IknJhS1bwT
- MS=126CD9A98A43A59C0C05074CB2E8B67987309F14
- google-site-verification=AyvDJPzspRwnE2TsN2-b6JR-hZ3apQsIReeqeJCvg2c
- SPFv=spf1 a mx ip4:90.153.3.170 include:agenturserver.de include:spf.crsend.com include:spf.protection.outlook.com include:spf.emailsignatures365.com include:spf-de.emailsignatures365.com include:ispgateway.de include:27136197.spf03.hubspotemail.net -all
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