Domain Overview
DNS: ✓ 24h ago
Checker: ✓ 24h ago
mecu.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-11-10 14:03:23 UTC · ↺ Refresh
MX Hostnames
- mecu-de.mail.protection.outlook.com
MX Priorities
- mecu-de.mail.protection.outlook.com: 0
A / AAAA Records
- 49.12.208.105 ↩ h22150.goeppel.eu
- 2a01:4f8:c17:b407::1 ↩ h22150.goeppel.eu
Mail Server IPs
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ 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::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
SOA Record
Raw SOA
a.dns-i.net hostmaster.insyst.de 2024092857 28800 7200 1209600 1800
Primary NS (mname)
a.dns-i.net
Admin Email (rname)
hostmaster@insyst.de
Serial
2024092857
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
1800s
Nameservers (NS)
a.dns-i.net
c.dns-i.net
b.dns-i.net
SPF Record
✓ Strict (-all)
v=spf1 a include:spf.insyst.de include:_spf.rexx-suite.com include:spf.sendinblue.com include:spf-de.emailsignatures365.com ip4:212.23.147.210 include:spf.protection.outlook.com -all
📊 DNS lookups: 6/10
✓ 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
3 records- _1l4i2j3r1ndscunhtaev486x126knjm
- SPFv=spf1 a include:spf.insyst.de include:_spf.rexx-suite.com include:spf.sendinblue.com include:spf-de.emailsignatures365.com ip4:212.23.147.210 include:spf.protection.outlook.com -all
- brevo-code:0b738cd6d4f36ed8e3dcc3a76a9960d3
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