Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
glasfaser-ostbayern.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 01:46:44 UTC · ↺ Refresh
MX Hostnames
- mail.r-kom.de
MX Priorities
- mail.r-kom.de: 10
A / AAAA Records
- 212.77.161.229 ↩ www.r-kom.de
- 2001:16e0::12:0:0:0:13 (no PTR)
Mail Server IPs
- 212.77.164.4 ↩ mail.r-kom.de
SOA Record
Raw SOA
dns.r-kom.de noc.r-kom.de 2024011600 21600 3600 1209600 1800
Primary NS (mname)
dns.r-kom.de
Admin Email (rname)
noc@r-kom.de
Serial
2024011600
Refresh
21600s
Retry
3600s
Expire
1209600s
Minimum TTL
1800s
Nameservers (NS)
dns3.r-kom.net
dns2.r-kom.de
dns.r-kom.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:212.77.164.4 include:_spf.on.services -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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 ip4:212.77.164.4 include:_spf.on.services -all
- 2018082313421767rpohwy1rse6kxu6k9r8a2bnldktadddihmn5xm6x5b259nnz
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