Webhosting, Homepage, Server, Onlinespeicher, Webbaukasten & Domains: 1blu
1blu.de
Webhosting von 1blu: Homepage-Pakete, Server und Domains für professionelle Websites & Internet-Anwendungen
Get a complete DNS, email, SSL, HTTP and network analysis in seconds.
1blu.de
Webhosting von 1blu: Homepage-Pakete, Server und Domains für professionelle Websites & Internet-Anwendungen
1 IPv4 address(es) detected.
0 IPv6 address(es) detected.
3 NS record(s); 2 or more required.
Authoritative zone record.
Both DS and DNSKEY are required.
Certificate authority restriction.
Agreement between public resolvers.
1 MX record(s).
SPF policy published.
DMARC policy published.
No tested DKIM selector responded.
Mail transport policy.
TLS reporting policy.
89 day(s) remaining.
Full points require at least 30 days remaining.
1 of 9 evaluated headers detected.
PTR not detected.
Two or more IPv4 addresses receive full points.
AAAA availability.
At least one address family must resolve.
HTTP/2 200
Final URL uses HTTPS.
178.254.4.208
Not configured
Not configured
10 mail.1blu.de.
"v=spf1 mx include:_spf.mailrelay.rrpproxy.net include:spf.crowdtech.com ~all" "google-site-verification=YB1n7Xwjh3GkBrW5Q1lq9pZCUH7CDHFIGSrW-pbcvoI"
ns1.1blu-dns.de. ns2.1blu-dns.eu. ns3.1blu-dns.net.
ns1.1blu-dns.de. hostmaster.1blu.de. 2026081018 14400 3600 604800 180
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
v=spf1 mx include:_spf.mailrelay.rrpproxy.net include:spf.crowdtech.com ~all
v=DMARC1; p=quarantine; rua=mailto:rre26aou@rua.eu.dmarcmanager.app; fo=1; adkim=s; sp=none;
Not configured
5 public resolvers queried.
8.8.8.81.1.1.19.9.9.9208.67.222.22294.140.14.14Port 25: Closed/unreachable - 110.7 ms - Port 465: Closed/unreachable - 117.8 ms - Port 587: Closed/unreachable - 109.2 ms - 220 mail.1blu.de ESMTP Exim 4.95 Ubuntu Mon, 10 Aug 2026 13:28:56 +0200