Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gc-slr.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 23:16:43 UTC · ↺ Refresh
MX Hostnames
- gcslr-de0e.mail.protection.outlook.com
MX Priorities
- gcslr-de0e.mail.protection.outlook.com: 0
A / AAAA Records
- 142.132.156.94 ↩ rs02.ttsol-server.de
Mail Server IPs
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
rs02.ttsol-server.de admin.netcomposer.de 1773933098 600 600 604800 600
Primary NS (mname)
rs02.ttsol-server.de
Admin Email (rname)
admin@netcomposer.de
Serial
1773933098
Refresh
600s
Retry
600s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
nsb9.schlundtech.de
rs02.ttsol-server.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx mx:rs02.ttsol-server.de ip4:212.185.50.26 include:spf.protection.outlook.com include:spf.cloudmail.ondemand.com include:amazonses.com include:spf.emailsys.net a:mailservice.pccaddie.com ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 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 a mx mx:rs02.ttsol-server.de ip4:212.185.50.26 include:spf.protection.outlook.com include:spf.cloudmail.ondemand.com include:amazonses.com include:spf.emailsys.net a:mailservice.pccaddie.com ~all
- apple-domain-verification=dgaZ44CUiXXtdBbE
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