Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bluecomtv.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 02:44:26 UTC · ↺ Refresh
MX Hostnames
- mach04.bluecomtv.de
MX Priorities
- mach04.bluecomtv.de: 10
A / AAAA Records
- 178.63.45.103 ↩ static.103.45.63.178.clients.your-server.de
Mail Server IPs
- 144.76.164.235 ↩ mach04.bluecomtv.de
- 2a01:4f8:200:40d0::2 ↩ mach04.bluecomtv.de
SOA Record
Raw SOA
ns1.first-ns.de dns.hetzner.com 2025101503 14400 900 604800 3600
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2025101503
Refresh
14400s
Retry
900s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.first-ns.de
robotns3.second-ns.com
robotns2.second-ns.de
SPF Record
✓ Strict (-all)
v=spf1 a mx a:web01.bluecomtv.de a:web02.bluecomtv.de a:mach04.bluecomtv.de ip4:46.4.108.57 ip4:178.63.67.61 ip4:144.76.164.235 ip6:2a01:4f8:200:40d0::/64 -all
📊 DNS lookups: 5/10
✓ 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
✓ 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
1 record- SPFv=spf1 a mx a:web01.bluecomtv.de a:web02.bluecomtv.de a:mach04.bluecomtv.de ip4:46.4.108.57 ip4:178.63.67.61 ip4:144.76.164.235 ip6:2a01:4f8:200:40d0::/64 -all
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