adventofcode.com
Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.
Run a live full scan of adventofcode.com
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 |
|---|---|---|
| adventofcode.com | 2026-07-28 19:02:52.609 | |
| www.adventofcode.com | 2026-06-23 23:14:14.068 |
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
Hosts whose HTML body references this domain. Strong signal for origin/mirror/embed discovery.
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 | ns-218.awsdns-27.com | 2026-05-26 00:21:04.925 | 2026-07-28 19:02:52.609 |
| TXT | v=spf1 include:_spf.google.com ~all | 2026-05-26 00:21:04.925 | 2026-07-28 19:02:52.609 |
| NS | ns-784.awsdns-34.net | 2026-05-26 00:21:04.925 | 2026-07-28 19:02:52.609 |
| A | 35.172.151.32 | 2026-05-26 00:21:04.925 | 2026-06-05 03:45:55.283 |
| NS | ns-1639.awsdns-12.co.uk | 2026-05-26 00:21:04.925 | 2026-07-28 19:02:52.609 |
| NS | ns-1224.awsdns-25.org | 2026-05-26 00:21:04.925 | 2026-07-28 19:02:52.609 |
| TXT | google-site-verification=RJGYnnqDnB6LabX1RR8Ppej3EY43mqp81mzpK7LJEjM | 2026-05-26 00:21:04.925 | 2026-07-28 19:02:52.609 |
| MX | 5 alt2.aspmx.l.google.com | 2026-05-26 00:21:04.925 | 2026-07-28 19:02:52.609 |
| MX | 10 alt4.aspmx.l.google.com | 2026-05-26 00:21:04.925 | 2026-07-28 19:02:52.609 |
| MX | 1 aspmx.l.google.com | 2026-05-26 00:21:04.925 | 2026-07-28 19:02:52.609 |
| MX | 5 alt1.aspmx.l.google.com | 2026-05-26 00:21:04.925 | 2026-07-28 19:02:52.609 |
| MX | 10 alt3.aspmx.l.google.com | 2026-05-26 00:21:04.925 | 2026-07-28 19:02:52.609 |
| A | 50.17.16.253 | 2026-05-26 00:21:04.925 | 2026-06-02 16:28:32.095 |
| TXT | google-site-verification=nnihjRJnNchIrA4PzKdgLDCzYyL6Vy1nhtfh8b3HTRc | 2026-05-26 00:21:04.925 | 2026-07-28 19:02:52.609 |
| A | 54.159.124.226 | 2026-06-03 21:53:38.842 | 2026-06-06 00:41:39.287 |
| A | 107.21.44.149 | 2026-06-05 03:52:51.397 | 2026-06-06 00:41:39.287 |
| A | 52.71.216.64 | 2026-06-18 02:50:14.120 | 2026-06-26 02:05:01.915 |
| A | 3.208.159.23 | 2026-06-18 02:50:14.120 | 2026-06-26 02:05:01.915 |
| A | 34.194.243.109 | 2026-07-20 17:11:42.131 | 2026-07-20 17:19:25.721 |
| A | 98.90.99.92 | 2026-07-20 17:11:42.131 | 2026-07-20 17:19:25.721 |
| A | 34.198.82.213 | 2026-07-26 08:11:27.964 | 2026-07-28 19:02:52.609 |
| A | 44.209.166.164 | 2026-07-26 08:11:27.964 | 2026-07-28 19:02:52.609 |