cosimo.de is registered with whois.denic.de and is hosted on AS201832 in Germany. Its SSL certificate from Let's Encrypt is valid until 18 Jan 2027, and the site does not support HTTP/3.
On-page basics for the homepage.
Networks cache previews — changes can take time to show.
What security vendors and the WOT community say about this domain.
1 of 5 protections set up
Lists the servers allowed to send email for this domain.
v=spf1 ip4:77.235.182.101 ip4:185.248.148.8 ip4:83.243.59.30 -allNo key at the 12 common selectors we checked. A custom selector can’t be found from DNS alone.
—No DMARC policy: receivers aren’t told what to do with mail that fails SPF and DKIM.
—Forces encrypted delivery between mail servers.
—Shows the brand logo in supporting inboxes. Optional; needs DMARC enforcement.
—Read from the domain's public DNS records.
0 of 6 recommended headers
Forces HTTPS on future visits.
Limits where scripts can load from — the main defence against XSS.
Stops the site being framed for clickjacking.
Prevents browsers guessing file types.
Which AI crawlers this site allows, and whether it publishes an llms.txt.
From robots.txt. “Partly blocked”: kept out of some pages, not the homepage. Not every crawler follows it. llms.txt is an optional guide some sites publish for AI assistants — it is not a ranking factor.
Pages and files that show who runs the site and how it handles data.
What loads and tracks visitors when the homepage opens.
Running a full browser scan of the homepage… This takes about a minute.
Internet standards that make a site faster and safer.
The path from a typed address to the final page.
Is cosimo.de’s name taken on other extensions?
2 technologies detected across 2 categories.
Detected from headers, page source and DNS · Automatic and may be incomplete · Suggest a correction
Every IP address cosimo.de resolves to, and where it's hosted.
| Host | IPv4 address | TTL |
|---|---|---|
| cosimo.de | 185.62.149.41 | 86400 |
| Host | IPv6 address | TTL |
|---|---|---|
| cosimo.de | 2a03:560:149::1:41 | 86400 |
| Host | Mail server | TTL |
|---|---|---|
| cosimo.de | 10 mailgate1.isp-cosimo.de | 86400 |
| cosimo.de | 20 mailgate2.isp-cosimo.de | 86400 |
| Host | Name server | TTL |
|---|---|---|
| cosimo.de | ns1.c-srv.de | 86400 |
| cosimo.de | ns2.c-srv.de | 86400 |
| cosimo.de | ns3.c-srv.net | 86400 |
| cosimo.de | ns4.c-srv.net | 86400 |
| Host | Text | TTL |
|---|---|---|
| cosimo.de | "5LrfX9ImfI7OXeAAQRTWxHx5ZsyRiD7a" | 3600 |
| cosimo.de | "BGLMIJG5I0CMT2LU86SR2OPFW8WONK7Q41N6CP62" | 3600 |
| cosimo.de | "google-site-verification=rfRVKRukKaKMcyEte8pQKx_JIybPsTJae8kFZu4Xapg" | 3600 |
| cosimo.de | "MS=ms75748785" | 3600 |
| cosimo.de | "v=spf1 ip4:77.235.182.101 ip4:185.248.148.8 ip4:83.243.59.30 -all" | 3600 |
| Host | Start of authority | TTL |
|---|---|---|
| cosimo.de | ns4.c-srv.de isp.cosimo.de 2026080601 28800 7200 604800 86400 | 86400 |
Other domains served from 185.62.149.41. Normal for shared hosting and CDNs.
No reviews yet. Used cosimo.de? Be the first to say how it went.
Reviews are from CubDomain users and are separate from the security verdicts above.
Common questions, answered from this report's data.
cosimo.de has no community safety rating yet. Its SSL certificate is valid until 18 Jan 2027. See Security →
cosimo.de is registered through whois.denic.de. See WHOIS →
cosimo.de is served from 2 IP addresses, mainly on AS201832 in Germany. See Hosting →
We detected 2 technologies, including WordPress and jQuery. See Built with →
Raw registry data for cosimo.de. May be redacted by privacy services.
Domain: cosimo.de Status: connect
The first response from http://www.cosimo.de, before any redirect: caching, server and policy headers.
Four timed TCP connections to port 443 from CubDomain's servers.
CubDomain is not affiliated with cosimo.de. Data is collected independently from public sources and some figures are estimates, provided for information only.
Controls how much of the URL is shared with other sites.
Restricts camera, microphone and other browser features.
From the homepage's response, https://www.cosimo.de/
Spam and malware blocklists for the site's IP and mail servers.
Found in public certificate transparency logs.
Searching the certificate transparency logs… This can take up to a minute.
When the site first appeared, and what has changed since.
No changes seen since we started recording on 26 Oct 2026.