4grd.dev
Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.
Run a live full scan of 4grd.dev
On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.
DNS Records
WHOIS / Registration
Registration data planned
Registrar, creation/expiry dates and domain status via RDAP. Rolling out gradually — bulk WHOIS is rate-limited, so we resolve on a prioritized cadence.
Subdomains
Every subdomain we know about — harvested from CT-log SANs, scan-observed certs and HTML body references — paired with its current A/AAAA target.
| Subdomain | Resolves to | Last seen |
|---|---|---|
| 4grd.dev | 2026-08-27 05:32:57.863 | |
| apps.4grd.dev | 2026-08-17 03:02:47.350 | |
| bc4ipgir8czcht6apmauvrf5.apps.4grd.dev | 2026-08-13 00:01:44.916 | |
| demo-krcqpirj822ud10nmk5damhx.apps.4grd.dev | 2026-08-21 17:45:49.765 | |
| demo-x2cc8w1prja464ii03hq44j7.apps.4grd.dev | 2026-08-21 17:42:49.724 | |
| fairlaufen.4grd.dev | 2026-08-27 05:32:57.863 | |
| gtb9m9jyhnjs1dzj12jmstxz.apps.4grd.dev | 2026-08-12 23:55:45.081 | |
| internal.4grd.dev | 2026-08-17 03:02:47.350 | |
| photon.4grd.dev | 2026-08-21 05:41:31.526 | |
| wcmyruufjy012fy6lltqdgbv.apps.4grd.dev | 2026-08-13 00:01:44.916 | |
| www.4grd.dev | 2026-08-17 03:02:47.350 | |
| local.4grd.dev | DNS pending | — |
| staging-transfer.schuba-shop.4grd.dev | DNS pending | — |
Tech Stack
Tech detection pending
Wappalyzer-rules detect CMS, frameworks, analytics, JS libs and server-side languages on this domain.
TLS Certificates
IPs Citing This Domain
No citing IPs found yet
As the world-sweep progresses, hosts referencing this domain in their HTML will surface here.
Origin / IP-Leak
When a hostname is served behind a CDN (e.g. Cloudflare), the origin server can sometimes be identified by matching its TLS cert against the protected hostname. Findings shown here are heuristic candidates, not guarantees.
No origin-IP leaks detected (yet)
Either this domain doesn't sit behind a CDN, or we haven't seen a TLS cert from a non-CDN IP matching this hostname. Run a fullscan to refresh the cert→IP cross-reference.
Threat Intelligence
Domain threat-intel pending
Matches in URLhaus, OpenPhish, PhishTank, malware feeds, and Spamhaus DBL.
History
Passive DNS — every value this name ever resolved to and when we first / last observed it. Updates every cycle of our forward-DNS crawler.
| Type | Value | First seen | Last seen |
|---|---|---|---|
| NS | dns52.cloudns.net | 2026-07-16 16:38:04.380 | 2026-08-27 05:32:57.863 |
| MX | 10 d-hosting01.viergrad.digital | 2026-07-16 16:38:04.380 | 2026-08-27 05:32:57.863 |
| TXT | v=spf1 +a +mx +ip4:212.83.43.8 include:_spf.smtp.mailtrap.live ~all | 2026-07-16 16:38:04.380 | 2026-08-27 05:32:57.863 |
| NS | dns54.cloudns.net | 2026-07-16 16:38:04.380 | 2026-08-27 05:32:57.863 |
| NS | dns53.cloudns.net | 2026-07-16 16:38:04.380 | 2026-08-27 05:32:57.863 |
| TXT | google-site-verification=GihcrR5micApMgT0XkdmefGlpfkhej8UKbrtj1egjk8 | 2026-07-16 16:38:04.380 | 2026-08-27 05:32:57.863 |
| A | 212.83.43.8 | 2026-07-16 16:38:04.380 | 2026-08-27 05:32:57.863 |
| TXT | _90qh0sl35hb6ntommdl0isgq0zk2l9i | 2026-07-16 16:38:04.380 | 2026-08-27 05:32:57.863 |
| TXT | 8935j9xljsch8m1dg5f2d8b4vdrjxghh | 2026-07-16 16:38:04.380 | 2026-08-27 05:32:57.863 |
| TXT | _8z55cnkqbvn4jovfm9i9jpb7y5pinq0 | 2026-07-16 16:38:04.380 | 2026-08-27 05:32:57.863 |
| NS | dns51.cloudns.net | 2026-07-16 16:38:04.380 | 2026-08-27 05:32:57.863 |
| TXT | zdgmpj5lh2z5k7fq442j8n9sc634hyjw | 2026-07-16 16:38:04.380 | 2026-08-27 05:32:57.863 |
| TXT | _0i81kiydzg9de1326j8t45hc8d9erh7 | 2026-08-27 05:32:57.863 | 2026-08-27 05:32:57.863 |