seribu.com — domain analysis
seribu.com is a live website, registered in 2003, served from Frankfurt am Main, Germany. It has 1 of 6 common security headers.
What is seribu.com about?
The words appearing most often on the homepage, excluding common filler, are
a rough indication of subject matter rather than a description of the business:
- seribu ×2
- coming ×2
- soon ×2
Does seribu.com publish the usual trust pages?
None of about, contact, privacy or terms could be found at their usual addresses.
That is common for small or single-purpose sites, and it is also what a disposable
site looks like, so it is worth noting rather than concluding from.
These were checked at conventional paths only, so a site using different URLs may
publish them elsewhere.
How does seribu.com compare with other domains analysed here?
Measured against the 82 domains in this index. This is a
small, self-selected sample — the domains people happened to look up — not a
representative sample of the web.
| Response time | Faster than 99% of them (median 523ms) |
|---|---|
| Security headers | More than 46% of them |
| Domain age | Older than 67% of them |
Related domains in this index
Other analysed domains served from the same country:
When was seribu.com registered?
seribu.com was registered on 22 June 2003, which makes it about 23 years old.
A registration this old means the domain has been renewed repeatedly, which costs money every year and is not something abandoned or disposable projects tend to do.
The registrar of record is Above.com Pty Ltd..
Registration runs until 22 June 2027.
The domain carries 1 registry lock, which blocks unauthorised transfer or deletion.
| Registered | 22 June 2003 |
|---|---|
| Expires | 22 June 2027 |
| Registrar | Above.com Pty Ltd. |
| Registry status | client transfer prohibited |
Where is seribu.com hosted?
The first address resolves to infrastructure in Frankfurt am Main, Germany.
The network is operated by Linode (AS63949 Akamai Connected Cloud).
Hosting location describes where the responding server sits, not where the business is. A CDN will report its nearest edge rather than the origin.
What is seribu.com running on?
No platform, framework or analytics fingerprints were found in the homepage markup of seribu.com. That usually means hand-written HTML, an uncommon stack, or a page assembled entirely at the edge.
No recognisable platform, framework or analytics fingerprints were found in the homepage markup.
How does the homepage respond?
The server answered with HTTP 200 over
HTTP.
At 31ms to first byte this response is fast for a homepage measured from a single European location.
At 1KB the HTML is unusually small, which typically means the page builds itself client-side after load.
The HTML is compressed with gzip.
| Server header | openresty/1.29.2.5 |
|---|---|
| Compression | gzip |
| Page size | 1,383 bytes |
| Declared language | en |
| Mobile viewport | declared |
What does the homepage say about itself?
The title is 24 characters, inside the range that displays without truncation.
There is no meta description, so the snippet shown in search results is assembled by the search engine from whatever text it considers relevant.
| Title | seribu.com – Coming Soon (24 chars) |
|---|---|
| Meta description | — none — (0 chars) |
| H1 | seribu.com (1 on the page) |
| Canonical | not set |
| Open Graph title | not set |
| Headings / images | 0 H2s, 0 images (0 without alt text) |
Is seribu.com served over a valid certificate?
No TLS certificate could be read on port 443. The site may serve HTTP only, or block direct TLS connections.
Which security headers does it set?
1 of 6 are set (HSTS). Absent: Content Security Policy, X-Content-Type-Options, X-Frame-Options, Referrer-Policy, Permissions-Policy.
With no Content Security Policy, any script that reaches the page — including one injected through a compromised third-party dependency — runs with full access to it.
| Header | Set | Value |
|---|---|---|
| HSTS | yes | max-age=0; includeSubDomains; preload |
| Content Security Policy | no | — |
| X-Content-Type-Options | no | — |
| X-Frame-Options | no | — |
| Referrer-Policy | no | — |
| Permissions-Policy | no | — |
How is DNS configured for seribu.com?
| IP addresses | 139.162.181.76, 172.104.203.186, 172.104.149.86, 139.162.174.209, 172.104.251.198, 2a01:7e01::f03c:95ff:fe00:2692, 2a01:7e01::f03c:95ff:fe91:5d91, 2a01:7e01::2000:dff:fec1:5cdb, 2a01:7e01::f03c:95ff:feeb:9d4b, 2a01:7e01::f03c:95ff:feed:783e |
|---|---|
| Reverse DNS | 139-162-181-76.ip.linodeusercontent.com, 172-104-203-186.ip.linodeusercontent.com |
| Name servers | anan.ns.giantpanda.com, po.ns.giantpanda.com |
| Mail (MX) | mail.mailerhost.net (pri 1) |
| SPF | v=spf1 ip6:fd43:c0d1:c090::/48 -all |
| TXT records | 1 |
seribu.com resolves to 10 addresses, which indicates load balancing or a CDN rather than a single origin server.
Mail is handled by 1 exchanger.
An SPF record is published, giving receiving servers a rule for which hosts may send as this domain.
Reverse DNS resolves to 139-162-181-76.ip.linodeusercontent.com, 172-104-203-186.ip.linodeusercontent.com, which usually names the hosting provider.
Who runs DNS and mail for seribu.com?
Mail exchangers point at hosts that do not match any major provider, which usually means self-hosted or niche-provider mail.
The domain publishes AAAA records and accepts connections over IPv6.
Can seribu.com be spoofed in email?
No DMARC record is published, so there is no instruction telling receiving servers what to do with mail that fails authentication. In practice that means forged mail from this domain is likely to be delivered.
No CAA records are published, so any certificate authority may issue a certificate for this domain.
The zone is not DNSSEC-signed. That is still the norm for most domains, but it means DNS answers cannot be cryptographically verified.
What does robots.txt allow?
No robots.txt was served. Crawlers treat a missing file as permission to crawl
everything, so this is an open crawl policy by default rather than a blocked one.
What structured data does the homepage publish?
No JSON-LD or microdata was found on the homepage.
What does seribu.com load from third parties?
The homepage loads no resources from third-party hosts at all, which is rare and means visiting it tells no other company that you did.
No cookies are set on first load.
Does seribu.com settle on one address?
Plain HTTP serves the site directly instead of redirecting to HTTPS. That leaves an unencrypted copy reachable and gives search engines two addresses for the same content.
The www hostname does not respond at all, so anyone typing www.seribu.com reaches nothing.
How easily can seribu.com be crawled?
No readable sitemap was found, so crawlers have to discover every page by following links.
What tracking does seribu.com run?
No analytics or advertising trackers were detected on the homepage of seribu.com, which is unusual for a commercial site.
How does seribu.com look when shared?
No Open Graph or Twitter Card tags are present. Links shared to social platforms will fall back to whatever the platform can scrape, usually just a bare URL.
How are images, fonts and scripts handled?
The page pulls 0 external stylesheets and 0 external scripts, with 0 carrying defer or async.
Is seribu.com accessible and current?
The page uses 0 landmark elements and 0 ARIA attributes.
No skip-to-content link was found, which keyboard users rely on to bypass navigation.
Can search engines index seribu.com?
Nothing on the homepage prevents indexing: no noindex is set in the robots meta tag or the X-Robots-Tag header.
No canonical URL is declared, which leaves duplicate addresses of this page to be resolved by the search engine.
Visible text is only 4.9% of the HTML, which indicates the page is assembled in the browser rather than served as content.
How is seribu.com delivered?
No Cache-Control header is sent for the HTML, so caching behaviour is left to browser defaults.
HTTP/3 is advertised via alt-svc, so modern browsers will upgrade to QUIC after the first visit.
No favicon is declared in the markup.
Frequently asked questions
Does seribu.com set the usual HTTP security headers?
It sets 1 of 6. The ones not present are: Content Security Policy, X-Content-Type-Options, X-Frame-Options, Referrer-Policy, Permissions-Policy.
Does seribu.com allow AI crawlers?
No robots.txt is served, so nothing is disallowed and AI crawlers are free to read the site.
Where does this data come from?
Every figure was measured by our own server on 5 October 2026: DNS lookups, one HTTPS request to the homepage, a TLS handshake and a request for robots.txt. No third-party SEO API is involved.
Is any of this traffic or authority data?
No. Traffic, authority and ranking figures cannot be measured by inspecting a domain, only modelled. Everything here is a direct observation.
I own seribu.com and want this page removed.
Ask through the contact page on this site, from an address at the domain, and the report will be taken down. It only ever shows what the domain already serves publicly.
Analysed 5 October 2026.
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