Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gottlieb-bremen.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 17:25:25 UTC · ↺ Refresh
MX Hostnames
- gottliebbremen-de02b.mail.protection.outlook.com
MX Priorities
- gottliebbremen-de02b.mail.protection.outlook.com: 10
A / AAAA Records
- 31.24.146.137 ↩ p02.zechbau.hosting.plutex.de
Mail Server IPs
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
ns2.plutex.de domains.zech-group.com 2026012201 10800 3600 604800 10800
Primary NS (mname)
ns2.plutex.de
Admin Email (rname)
domains@zech-group.com
Serial
2026012201
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns2.plutex.de
ns3.plutex.de
ns1.plutex.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:151.193.18.41 ip4:45.132.247.71 ip4:45.90.5.136 ip4:45.90.5.139 ip4:212.53.206.155/29 include:spf.myzechit.com include:spf.protection.outlook.com include:ltxmail.synxis.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
2 records- SPFv=spf1 ip4:151.193.18.41 ip4:45.132.247.71 ip4:45.90.5.136 ip4:45.90.5.139 ip4:212.53.206.155/29 include:spf.myzechit.com include:spf.protection.outlook.com include:ltxmail.synxis.com -all
- MS=ms31321403
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