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383.4 M

Domains known to webXtrend

9.1 M

New domains in the last 30 days

62.4 M

Social media profiles detected

blastpen.app

blastpen.app serves a website of its own over HTTPS. It answers on both IPv4 and IPv6, with a valid TLS certificate and MX records for mail.

4,164 other domains share an IP address with it.

The most recent crawl returned the page title “Blastpen — somewhere for the agent to be wrong” and 120,961 bytes of HTML.

Domain properties

Property Value Explanation
Top-level domain .app Statistics for all domains we know under this TLD.
Has website yes A website is hosted under the domain, which does not redirect to an external domain.
Has MX-record yes The domain has an MX record.
External redirect no The domain redirects to another domain.
Redirect to https yes The domain redirects to https.
Redirect to www. no The domain redirects to www.domain.
Only with www. no The domain can only be reached with the subdomain "www".
Only DNS, no website no There are no A or AAAA records in DNS.
IP-Address Both Shows whether the domain only has IPv4 or IPv6 or both.
SSL-Certificate valid Shows whether the domain has a valid SSL certificate.
Redirects 0 Number of domains that redirect to this domain.
Reverse IP 4,164 Number of domains with the same IP(s).

This data through the API

The data on this page is also available as JSON: /lookup for the key facts, /reverseip, /redirect and /similar for the lists, and /dnshistory with Basic and Premium. A free account comes with an API key and 100 calls a day.

curl -X POST https://api.webxtrend.com/v1.0/lookup \
  -H 'Content-Type: application/json' \
  -d '{"token": "YOUR_TOKEN", "query": "blastpen.app"}'

Create a free account Read the API docs

Detected social media networks

No social networks found on this website.

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Websites whose start page offers something similar, found by comparing the text of their start pages, across languages. Near-identical copies, parking pages and error pages are left out. The full list of up to 100 comes through the API: similar websites.

Last SSL certificate

Issuer Google Trust Services
Valid from 8/28/2026
Valid to 11/26/2026
Time until expiry 42 days

Last successful crawl

Title Blastpen — somewhere for the agent to be wrong
Description An OS-isolated sandbox runtime for coding agents. Any CLI agent, a git worktree of its own, confined by the operating system.
Content-Length 120,961 bytes

Title and description as published by the page itself in its own <title> and <meta name="description"> tags.

DNS history

IPv4 address Last updated
104.21.82.166 9/2/2026
172.67.159.210 9/2/2026
IPv6 address Last updated
2606:4700:3030:0:0:0:6815:52a6 9/2/2026
2606:4700:3036:0:0:0:ac43:9fd2 9/2/2026
Mail server Priority Last updated
route2.mx.cloudflare.net 4 9/2/2026
route1.mx.cloudflare.net 68 9/2/2026
route3.mx.cloudflare.net 93 9/2/2026
Name server Last updated
jaziel.ns.cloudflare.com 9/2/2026
jean.ns.cloudflare.com 9/2/2026

The five most recent states of each record type. The full history comes through the API: DNS history.

Most recent redirect domains

No domains found.

Reverse IP neighbours

104.21.82.166 1,044 domains · here since 9/14/2026
Domain On this IP since
zzoutfiti.cfd 9/23/2026
zw5.buzz 9/21/2026
zrntech.cn 9/20/2026
zorbaexpresswaterfoot.co.uk 9/14/2026
zlmzvqoishrcb.store 9/15/2026
zhiplane.com 10/13/2026
zg021.com 9/20/2026
zfsrwt2.com 9/19/2026
zfermaxiona.store 9/19/2026
zeusxx-denemebousu.cfd 9/18/2026
zentransfer.gr 9/13/2026
zebsb.info 9/22/2026
and 1,031 more
172.67.159.210 1,044 domains · here since 9/14/2026
Domain On this IP since
zzoutfiti.cfd 9/23/2026
zw5.buzz 9/21/2026
zrntech.cn 9/20/2026
zorbaexpresswaterfoot.co.uk 9/14/2026
zlmzvqoishrcb.store 9/15/2026
zhiplane.com 10/13/2026
zg021.com 9/20/2026
zfsrwt2.com 9/19/2026
zfermaxiona.store 9/19/2026
zeusxx-denemebousu.cfd 9/18/2026
zentransfer.gr 9/13/2026
zebsb.info 9/22/2026
and 1,031 more
2606:4700:3030::6815:52a6 1,038 domains · here since 9/14/2026
Domain On this IP since
zzoutfiti.cfd 9/23/2026
zw5.buzz 9/21/2026
zrntech.cn 9/20/2026
zorbaexpresswaterfoot.co.uk 9/14/2026
zlmzvqoishrcb.store 9/15/2026
zhiplane.com 10/13/2026
zg021.com 9/20/2026
zfsrwt2.com 9/19/2026
zfermaxiona.store 9/19/2026
zeusxx-denemebousu.cfd 9/18/2026
zentransfer.gr 9/13/2026
zebsb.info 9/22/2026
and 1,025 more
2606:4700:3036::ac43:9fd2 1,038 domains · here since 9/14/2026
Domain On this IP since
zzoutfiti.cfd 9/23/2026
zw5.buzz 9/21/2026
zrntech.cn 9/20/2026
zorbaexpresswaterfoot.co.uk 9/14/2026
zlmzvqoishrcb.store 9/15/2026
zhiplane.com 10/13/2026
zg021.com 9/20/2026
zfsrwt2.com 9/19/2026
zfermaxiona.store 9/19/2026
zeusxx-denemebousu.cfd 9/18/2026
zentransfer.gr 9/13/2026
zebsb.info 9/22/2026
and 1,025 more

Sharing an address does not always mean sharing a server: on a CDN or a large hosting platform, millions of unrelated domains answer on the same few addresses. We measured how far that goes in Half the web sits on 276 IP addresses. The complete list of neighbours, also for an IP address, comes through the API: reverse IP lookup.