Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sinzig.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 09:12:23 UTC · ↺ Refresh
MX Hostnames
- mailmx0003.rlp.de
- mailmx0001.rlp.de
- mail.sinzig.de
- mailmx0004.rlp.de
- mailmx0002.rlp.de
MX Priorities
- mailmx0003.rlp.de: 10
- mail.sinzig.de: 20
- mailmx0002.rlp.de: 10
- mailmx0001.rlp.de: 10
- mailmx0004.rlp.de: 10
A / AAAA Records
- 89.110.176.220 (no PTR)
Mail Server IPs
- 83.243.48.101 ↩ mailmx0003.rlp.de
- 92.205.176.98 ↩ 98.176.205.92.host.secureserver.net
- 83.243.48.72 ↩ mailmx0002.rlp.de
- 83.243.48.71 ↩ mailmx0001.rlp.de
- 83.243.48.74 ↩ mailmx0004.rlp.de
SOA Record
Raw SOA
ns1.telekom-domains.de dns.telekom.de 2025111103 10800 3600 2419200 43200
Primary NS (mname)
ns1.telekom-domains.de
Admin Email (rname)
dns@telekom.de
Serial
2025111103
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
43200s
Nameservers (NS)
ns1.telekom-domains.de
ns2.telekom-domains.de
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:83.243.48.64/26 ip4:212.227.17.13 include:secureserver.net include:kundenserver.de ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; adkim=r; aspf=r; fo=1; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 ip4:83.243.48.64/26 ip4:212.227.17.13 include:secureserver.net include:kundenserver.de ~all
- google-site-verification=o2ECPX97EvV7yGhbl4bOPxuRw4RU65Sc36M5UZZR9XM
Full email verification for sinzig.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits