Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ruetue.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 00:18:01 UTC · ↺ Refresh
MX Hostnames
- mx-02-eu-central-1.prod.hydra.sophos.com
- mx-01-eu-central-1.prod.hydra.sophos.com
MX Priorities
- mx-02-eu-central-1.prod.hydra.sophos.com: 20
- mx-01-eu-central-1.prod.hydra.sophos.com: 10
A / AAAA Records
- 178.250.168.120 ↩ tradepro135-fuchs-sanders.itb-web.de
Mail Server IPs
- 52.57.183.85 ↩ ec2-52-57-183-85.eu-central-1.compute.amazonaws.com
- 18.159.80.41 ↩ ec2-18-159-80-41.eu-central-1.compute.amazonaws.com
SOA Record
Raw SOA
ns1024.ui-dns.org hostmaster.schlund.de 2016110617 28800 7200 604800 300
Primary NS (mname)
ns1024.ui-dns.org
Admin Email (rname)
hostmaster@schlund.de
Serial
2016110617
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1024.ui-dns.org
ns1024.ui-dns.de
ns1024.ui-dns.biz
ns1024.ui-dns.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.perfora.net include:_spf.kundenserver.de ip4:178.15.32.196 ip4:178.250.168.108 ip4:93.90.185.183 include:spf.protection.outlook.com include:spf.emailsignatures365.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 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
8 records- @ MS=ms11727025 3600
- crsend._domainkey.ruetue.de
- facebook-domain-verification=4d2rc6bhd1c9ndkh8lwhg65njeavzz
- sophos-domain-verification=70190416ee6196e60840ea2d8666c07ffec5d857
- google-site-verification=5ZDZhebOa0H4rEDn9frT2o7MOZwApmcZAbItIPt3fyw
- SPFv=spf1 include:_spf.perfora.net include:_spf.kundenserver.de ip4:178.15.32.196 ip4:178.250.168.108 ip4:93.90.185.183 include:spf.protection.outlook.com include:spf.emailsignatures365.com -all
- DKIMv=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxzesvAIyJbADJZtKYiXZKnOUbkxZAOssbglIfAvcHgttFmEXdzvCSxFgJXr028IFpgdidgJj0SpgBdZQegPvdspY3jrMLshrZP5jBgItAAFG8rtPG3j7wHudU27LqiUWChhWS+uRDO+Mh5unjPrbdZTUMF3lEBiYFxt/uV6RBEKEvGZ30zvnakoY8dRdlI0GBhZlZvCl7tp3kXaNzoE/8A7FK1euxwNJQq7amJGds7lEb80aQtBMiw13DwCnKMrNEN3EELlBTyU8dW+K600qJpkrwkjkBgogSmFYzJL+G+Cp2iHfYSXmc7D1vUbTOAkU0DfB74sdAUJ43do5y1csdwIDAQAB
- DKIM
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