Domain
schooltool.com
Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.
Run a live full scan of schooltool.com
On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.
Hosting IPs
175
A/AAAA targets
Subdomains
15
CT + scan + body
Record Types
4
seen in DNS
Observed Certs
1
in our scans
DNS Records
A
16.15.183.1, 16.15.183.146, 16.15.183.39, 16.15.183.43, 16.15.191.142, 16.15.191.162, 16.15.199.163, 16.15.199.211
AAAA
—
MX
—
NS
—
TXT
—
CNAME
—
CAA
—
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 |
|---|---|---|
| schooltool.com | 2026-07-18 02:31:35.273 | |
| cdn.schooltool.com | 1970-01-01 00:00:00.000 | |
| stda.schooltool.com | 1970-01-01 00:00:00.000 |
Tech Stack
Tech detection pending
Wappalyzer-rules detect CMS, frameworks, analytics, JS libs and server-side languages on this domain.
TLS Certificates
Certificate observations pending
TLS certs naming this domain in subject or SANs will appear here as our scan-layer catches them.
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
USP
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 |
|---|---|---|---|
| A | 52.217.166.221 | 2026-05-25 21:40:03.360 | 2026-05-25 21:40:03.360 |
| A | 16.15.229.90 | 2026-05-25 21:40:03.360 | 2026-05-25 21:40:03.360 |
| A | 16.15.228.203 | 2026-05-25 21:40:03.360 | 2026-05-25 21:40:03.360 |
| A | 16.15.223.101 | 2026-05-25 21:40:03.360 | 2026-06-23 23:58:06.373 |
| A | 16.15.214.120 | 2026-05-25 21:40:03.360 | 2026-05-25 21:40:03.360 |
| A | 16.15.253.61 | 2026-05-25 21:40:03.360 | 2026-05-25 21:40:03.360 |
| A | 16.182.40.13 | 2026-05-25 21:40:03.360 | 2026-05-25 21:40:03.360 |
| A | 16.15.183.1 | 2026-05-25 21:40:03.360 | 2026-05-25 21:40:03.360 |
| NS | ns-1055.awsdns-03.org | 2026-05-26 00:17:38.499 | 2026-07-18 02:31:35.273 |
| NS | ns-1745.awsdns-26.co.uk | 2026-05-26 00:17:38.499 | 2026-07-18 02:31:35.273 |
| A | 52.217.197.133 | 2026-05-26 00:17:38.499 | 2026-05-26 00:17:38.499 |
| TXT | google-site-verification=Km_87F5BklXz5qnonXj9GQu3EaFQMZjV6koauuexJBM | 2026-05-26 00:17:38.499 | 2026-07-18 02:31:35.273 |
| A | 3.5.12.228 | 2026-05-26 00:17:38.499 | 2026-05-26 00:17:38.499 |
| NS | ns-530.awsdns-02.net | 2026-05-26 00:17:38.499 | 2026-07-18 02:31:35.273 |
| TXT | v=spf1 include:amazonses.com include:spf.protection.outlook.com include:spf.mandrillapp.com include:20798010.spf01.hubspotemail.net -all | 2026-05-26 00:17:38.499 | 2026-07-18 02:31:35.273 |
| NS | ns-207.awsdns-25.com | 2026-05-26 00:17:38.499 | 2026-07-18 02:31:35.273 |
| A | 16.182.103.213 | 2026-05-26 00:17:38.499 | 2026-05-26 00:17:38.499 |
| MX | 5 schooltool-com.mail.protection.outlook.com | 2026-05-26 00:17:38.499 | 2026-07-18 02:31:35.273 |
| A | 52.216.218.61 | 2026-05-26 00:17:38.499 | 2026-05-26 00:17:38.499 |
| A | 16.15.252.255 | 2026-05-26 00:17:38.499 | 2026-05-26 00:17:38.499 |
| A | 16.15.252.5 | 2026-05-26 00:17:38.499 | 2026-05-26 00:17:38.499 |
| A | 52.217.89.11 | 2026-05-26 00:17:38.499 | 2026-05-26 00:17:38.499 |
| A | 16.182.71.85 | 2026-05-26 00:17:38.499 | 2026-05-26 00:17:38.499 |
| A | 52.217.122.21 | 2026-05-26 00:24:59.887 | 2026-05-26 00:24:59.887 |
| A | 54.231.194.149 | 2026-05-26 00:24:59.887 | 2026-05-26 00:24:59.887 |
| A | 52.216.28.11 | 2026-05-26 00:24:59.887 | 2026-05-26 00:24:59.887 |
| A | 52.217.206.197 | 2026-05-26 00:24:59.887 | 2026-05-26 00:24:59.887 |
| A | 52.217.124.221 | 2026-05-26 00:24:59.887 | 2026-05-26 00:24:59.887 |
| A | 16.15.212.52 | 2026-05-26 00:24:59.887 | 2026-05-26 06:05:24.294 |
| A | 16.182.66.85 | 2026-05-26 00:24:59.887 | 2026-05-26 00:24:59.887 |
| A | 52.216.37.53 | 2026-05-26 00:24:59.887 | 2026-05-26 00:24:59.887 |
| A | 52.217.112.221 | 2026-05-26 06:05:24.294 | 2026-05-26 06:05:24.294 |
| A | 16.15.199.211 | 2026-05-26 06:05:24.294 | 2026-05-26 06:05:24.294 |
| A | 52.217.81.219 | 2026-05-26 06:05:24.294 | 2026-05-26 06:05:24.294 |
| A | 16.15.199.233 | 2026-05-26 06:05:24.294 | 2026-05-26 06:05:24.294 |
| A | 16.15.191.142 | 2026-05-26 06:05:24.294 | 2026-05-26 06:05:24.294 |
| A | 16.15.212.239 | 2026-05-26 06:05:24.294 | 2026-05-26 06:05:24.294 |
| A | 52.216.25.163 | 2026-05-26 06:05:24.294 | 2026-05-26 06:05:24.294 |
| A | 52.217.232.77 | 2026-05-26 07:46:21.929 | 2026-05-26 07:46:21.929 |
| A | 52.217.171.221 | 2026-05-26 07:46:21.929 | 2026-05-26 07:46:21.929 |
| A | 16.15.213.185 | 2026-05-26 07:46:21.929 | 2026-05-26 07:46:21.929 |
| A | 16.15.244.197 | 2026-05-26 07:46:21.929 | 2026-05-26 07:46:21.929 |
| A | 52.217.76.195 | 2026-05-26 07:46:21.929 | 2026-05-26 07:46:21.929 |
| A | 16.15.214.20 | 2026-05-26 07:46:21.929 | 2026-05-26 07:46:21.929 |
| A | 52.216.41.141 | 2026-05-26 07:46:21.929 | 2026-05-26 07:46:21.929 |
| A | 54.231.225.165 | 2026-05-26 07:46:21.929 | 2026-05-26 07:46:21.929 |
| A | 16.15.237.193 | 2026-05-26 08:28:45.083 | 2026-05-26 08:28:45.083 |
| A | 54.231.167.101 | 2026-05-26 08:28:45.083 | 2026-05-26 08:28:45.083 |
| A | 16.15.252.237 | 2026-05-26 08:28:45.083 | 2026-05-26 08:28:45.083 |
| A | 16.15.199.84 | 2026-05-26 08:28:45.083 | 2026-05-26 22:14:46.475 |
| A | 52.216.33.53 | 2026-05-26 08:28:45.083 | 2026-05-26 08:28:45.083 |
| A | 52.217.254.61 | 2026-05-26 08:28:45.083 | 2026-05-26 08:28:45.083 |
| A | 52.217.133.165 | 2026-05-26 08:28:45.083 | 2026-05-26 08:28:45.083 |
| A | 16.182.64.149 | 2026-05-26 08:28:45.083 | 2026-05-26 08:28:45.083 |
| A | 54.231.161.253 | 2026-05-26 13:43:32.726 | 2026-05-26 13:43:32.726 |
| A | 52.216.89.147 | 2026-05-26 13:43:32.726 | 2026-05-26 13:43:32.726 |
| A | 16.15.207.177 | 2026-05-26 13:43:32.726 | 2026-05-26 13:43:32.726 |
| A | 16.15.213.170 | 2026-05-26 13:43:32.726 | 2026-05-26 13:43:32.726 |
| A | 52.216.212.229 | 2026-05-26 13:43:32.726 | 2026-05-26 13:43:32.726 |
| A | 52.216.206.138 | 2026-05-26 13:43:32.726 | 2026-05-26 13:43:32.726 |
| A | 54.231.204.245 | 2026-05-26 13:43:32.726 | 2026-05-26 13:43:32.726 |
| A | 16.15.217.127 | 2026-05-26 13:43:32.726 | 2026-05-26 13:43:32.726 |
| A | 16.182.97.229 | 2026-05-26 18:18:52.742 | 2026-05-26 18:18:52.742 |
| A | 16.15.223.53 | 2026-05-26 18:18:52.742 | 2026-05-26 18:18:52.742 |
| A | 16.15.228.182 | 2026-05-26 18:18:52.742 | 2026-05-26 22:14:46.475 |
| A | 54.231.139.5 | 2026-05-26 18:18:52.742 | 2026-05-26 18:18:52.742 |
| A | 16.15.252.251 | 2026-05-26 18:18:52.742 | 2026-05-26 18:18:52.742 |
| A | 54.231.172.253 | 2026-05-26 18:18:52.742 | 2026-05-26 18:18:52.742 |
| A | 52.216.244.19 | 2026-05-26 18:18:52.742 | 2026-05-26 18:18:52.742 |
| A | 54.231.229.173 | 2026-05-26 18:18:52.742 | 2026-05-26 18:18:52.742 |
| A | 16.15.183.43 | 2026-05-26 21:52:25.161 | 2026-05-26 21:52:25.161 |
| A | 52.217.77.171 | 2026-05-26 21:52:25.161 | 2026-05-26 21:52:25.161 |
| A | 16.15.228.54 | 2026-05-26 21:52:25.161 | 2026-05-26 21:52:25.161 |
| A | 16.15.213.119 | 2026-05-26 21:52:25.161 | 2026-05-26 21:52:25.161 |
| A | 16.15.252.100 | 2026-05-26 21:52:25.161 | 2026-05-27 08:12:55.831 |
| A | 52.216.54.227 | 2026-05-26 21:52:25.161 | 2026-05-26 21:52:25.161 |
| A | 16.182.104.85 | 2026-05-26 21:52:25.161 | 2026-05-26 21:52:25.161 |
| A | 16.15.223.31 | 2026-05-26 21:52:25.161 | 2026-05-26 21:52:25.161 |
| A | 52.217.172.117 | 2026-05-26 22:09:43.262 | 2026-05-26 22:09:43.262 |
| A | 16.15.207.60 | 2026-05-26 22:09:43.262 | 2026-05-26 22:09:43.262 |
| A | 52.217.116.253 | 2026-05-26 22:09:43.262 | 2026-05-26 22:09:43.262 |
| A | 52.216.221.197 | 2026-05-26 22:09:43.262 | 2026-05-26 22:09:43.262 |
| A | 16.15.207.199 | 2026-05-26 22:09:43.262 | 2026-05-26 22:09:43.262 |
| A | 52.217.163.61 | 2026-05-26 22:09:43.262 | 2026-05-26 22:09:43.262 |
| A | 16.15.213.20 | 2026-05-26 22:09:43.262 | 2026-05-26 22:09:43.262 |
| A | 52.216.204.2 | 2026-05-26 22:09:43.262 | 2026-05-26 22:09:43.262 |
| A | 52.216.37.205 | 2026-05-26 22:14:46.475 | 2026-05-26 22:14:46.475 |
| A | 16.15.244.170 | 2026-05-26 22:14:46.475 | 2026-05-26 22:14:46.475 |
| A | 16.182.65.13 | 2026-05-26 22:14:46.475 | 2026-05-26 22:14:46.475 |
| A | 52.217.200.229 | 2026-05-26 22:14:46.475 | 2026-05-26 22:14:46.475 |
| A | 16.182.96.253 | 2026-05-26 22:14:46.475 | 2026-05-26 22:14:46.475 |
| A | 54.231.128.109 | 2026-05-26 22:14:46.475 | 2026-05-26 22:14:46.475 |
| A | 16.15.228.116 | 2026-05-27 08:12:55.831 | 2026-05-27 08:12:55.831 |
| A | 52.217.112.45 | 2026-05-27 08:12:55.831 | 2026-05-27 08:12:55.831 |
| A | 16.15.244.147 | 2026-05-27 08:12:55.831 | 2026-05-27 08:12:55.831 |
| A | 16.182.33.237 | 2026-05-27 08:12:55.831 | 2026-05-27 08:12:55.831 |
| A | 54.231.232.13 | 2026-05-27 08:12:55.831 | 2026-05-27 08:12:55.831 |
| A | 52.216.204.74 | 2026-05-27 08:12:55.831 | 2026-05-27 08:12:55.831 |
| A | 3.5.8.26 | 2026-05-27 08:12:55.831 | 2026-05-27 08:12:55.831 |
| A | 16.15.253.93 | 2026-05-27 11:54:09.352 | 2026-06-18 12:17:14.228 |
| A | 3.5.8.93 | 2026-05-27 11:54:09.352 | 2026-05-27 11:54:09.352 |
| A | 16.15.229.157 | 2026-05-27 11:54:09.352 | 2026-05-27 11:54:09.352 |
| A | 16.182.75.5 | 2026-05-27 11:54:09.352 | 2026-05-27 11:54:09.352 |
| A | 52.217.224.141 | 2026-05-27 11:54:09.352 | 2026-05-27 11:54:09.352 |
| A | 16.15.237.61 | 2026-05-27 11:54:09.352 | 2026-05-27 11:54:09.352 |
| A | 16.15.237.114 | 2026-05-27 11:54:09.352 | 2026-05-27 11:54:09.352 |
| A | 16.15.183.146 | 2026-05-27 11:54:09.352 | 2026-05-27 11:54:09.352 |
| A | 54.231.193.101 | 2026-06-04 22:33:40.391 | 2026-06-04 22:33:40.391 |
| A | 16.15.244.14 | 2026-06-04 22:33:40.391 | 2026-06-04 22:33:40.391 |
| A | 52.217.122.221 | 2026-06-04 22:33:40.391 | 2026-06-04 22:33:40.391 |
| A | 52.217.205.45 | 2026-06-04 22:33:40.391 | 2026-06-04 22:33:40.391 |
| A | 16.15.199.238 | 2026-06-04 22:33:40.391 | 2026-06-04 22:33:40.391 |
| A | 16.15.245.224 | 2026-06-04 22:33:40.391 | 2026-06-04 22:33:40.391 |
| A | 52.216.220.125 | 2026-06-04 22:33:40.391 | 2026-06-04 22:33:40.391 |
| A | 54.231.203.29 | 2026-06-04 22:33:40.391 | 2026-06-04 22:33:40.391 |
| A | 52.216.27.83 | 2026-06-16 02:08:17.783 | 2026-06-16 02:08:17.783 |
| A | 52.216.86.170 | 2026-06-16 02:08:17.783 | 2026-06-16 02:08:17.783 |
| A | 16.15.253.192 | 2026-06-16 02:08:17.783 | 2026-06-16 02:08:17.783 |
| A | 54.231.202.181 | 2026-06-16 02:08:17.783 | 2026-06-16 02:08:17.783 |
| A | 16.15.207.9 | 2026-06-16 02:08:17.783 | 2026-06-16 02:08:17.783 |
| A | 16.15.238.11 | 2026-06-16 02:08:17.783 | 2026-06-16 02:08:17.783 |
| A | 16.15.223.90 | 2026-06-16 02:08:17.783 | 2026-06-16 02:08:17.783 |
| A | 52.217.126.213 | 2026-06-16 02:08:17.783 | 2026-06-16 02:08:17.783 |
| A | 52.216.218.189 | 2026-06-18 12:17:14.228 | 2026-06-18 12:17:14.228 |
| A | 16.15.214.136 | 2026-06-18 12:17:14.228 | 2026-06-18 12:17:14.228 |
| A | 16.15.207.181 | 2026-06-18 12:17:14.228 | 2026-06-18 12:17:14.228 |
| A | 16.15.236.158 | 2026-06-18 12:17:14.228 | 2026-06-18 12:17:14.228 |
| A | 16.15.212.81 | 2026-06-18 12:17:14.228 | 2026-06-18 12:17:14.228 |
| A | 16.15.236.188 | 2026-06-18 12:17:14.228 | 2026-06-18 12:17:14.228 |
| A | 52.217.82.203 | 2026-06-18 13:15:50.533 | 2026-06-18 13:15:50.533 |
| A | 52.216.42.117 | 2026-06-18 13:15:50.533 | 2026-06-18 13:15:50.533 |
| A | 16.15.223.245 | 2026-06-18 13:15:50.533 | 2026-06-18 13:15:50.533 |
| A | 52.217.94.187 | 2026-06-18 13:15:50.533 | 2026-06-18 13:15:50.533 |
| A | 52.216.245.67 | 2026-06-18 13:15:50.533 | 2026-06-18 13:15:50.533 |
| A | 16.15.237.45 | 2026-06-18 13:15:50.533 | 2026-06-18 13:15:50.533 |
| A | 16.15.207.249 | 2026-06-18 13:15:50.533 | 2026-06-18 13:15:50.533 |
| A | 52.217.235.189 | 2026-06-18 13:15:50.533 | 2026-06-18 13:15:50.533 |
| A | 52.216.208.53 | 2026-06-21 10:12:51.843 | 2026-06-21 10:12:51.843 |
| A | 16.15.228.22 | 2026-06-21 10:12:51.843 | 2026-06-21 10:12:51.843 |
| A | 16.15.199.40 | 2026-06-21 10:12:51.843 | 2026-06-21 10:12:51.843 |
| A | 16.15.244.18 | 2026-06-21 10:12:51.843 | 2026-06-21 10:12:51.843 |
| A | 16.15.253.28 | 2026-06-21 10:12:51.843 | 2026-06-24 05:04:17.700 |
| A | 52.216.35.69 | 2026-06-21 10:12:51.843 | 2026-06-21 10:12:51.843 |
| A | 16.15.237.17 | 2026-06-21 10:12:51.843 | 2026-06-21 10:12:51.843 |
| A | 54.231.163.253 | 2026-06-21 10:12:51.843 | 2026-06-21 10:12:51.843 |
| A | 52.216.35.37 | 2026-06-21 18:34:02.515 | 2026-06-21 18:34:02.515 |
| A | 16.15.245.160 | 2026-06-21 18:34:02.515 | 2026-06-21 18:34:02.515 |
| A | 52.216.41.61 | 2026-06-21 18:34:02.515 | 2026-06-21 18:34:02.515 |
| A | 52.217.79.147 | 2026-06-21 18:34:02.515 | 2026-06-21 18:34:02.515 |
| A | 52.217.233.181 | 2026-06-21 18:34:02.515 | 2026-06-21 18:34:02.515 |
| A | 16.15.207.67 | 2026-06-21 18:34:02.515 | 2026-06-21 18:34:02.515 |
| A | 52.216.212.237 | 2026-06-21 18:34:02.515 | 2026-06-21 18:34:02.515 |
| A | 16.182.105.213 | 2026-06-21 18:34:02.515 | 2026-06-21 18:34:02.515 |
| A | 16.15.223.174 | 2026-06-22 04:48:04.025 | 2026-06-22 04:48:04.025 |
| A | 54.231.204.253 | 2026-06-22 04:48:04.025 | 2026-06-22 04:48:04.025 |
| A | 16.15.252.55 | 2026-06-22 04:48:04.025 | 2026-06-22 04:48:04.025 |
| A | 54.231.195.101 | 2026-06-22 04:48:04.025 | 2026-06-22 04:48:04.025 |
| A | 16.15.199.163 | 2026-06-22 04:48:04.025 | 2026-06-22 04:48:04.025 |
| A | 16.15.191.162 | 2026-06-22 04:48:04.025 | 2026-06-22 04:48:04.025 |
| A | 54.231.201.85 | 2026-06-22 04:48:04.025 | 2026-06-22 04:48:04.025 |
| A | 16.15.244.243 | 2026-06-22 04:48:04.025 | 2026-06-22 04:48:04.025 |
| A | 16.15.207.109 | 2026-06-23 23:58:06.373 | 2026-06-23 23:58:06.373 |
| A | 52.217.230.181 | 2026-06-23 23:58:06.373 | 2026-06-23 23:58:06.373 |
| A | 16.15.254.28 | 2026-06-23 23:58:06.373 | 2026-06-23 23:58:06.373 |
| A | 52.216.44.69 | 2026-06-23 23:58:06.373 | 2026-06-23 23:58:06.373 |
| A | 16.182.38.125 | 2026-06-23 23:58:06.373 | 2026-06-23 23:58:06.373 |
| A | 52.217.123.37 | 2026-06-23 23:58:06.373 | 2026-06-23 23:58:06.373 |
| A | 54.231.169.125 | 2026-06-23 23:58:06.373 | 2026-06-23 23:58:06.373 |
| A | 52.217.120.213 | 2026-06-24 05:04:17.700 | 2026-06-24 05:04:17.700 |
| A | 16.15.246.12 | 2026-06-24 05:04:17.700 | 2026-06-24 05:04:17.700 |
| A | 16.182.33.149 | 2026-06-24 05:04:17.700 | 2026-06-24 05:04:17.700 |
| A | 52.216.95.74 | 2026-06-24 05:04:17.700 | 2026-06-24 05:04:17.700 |
| A | 52.216.209.205 | 2026-06-24 05:04:17.700 | 2026-06-24 05:04:17.700 |
| A | 52.217.174.85 | 2026-06-24 05:04:17.700 | 2026-06-24 05:04:17.700 |
| A | 16.15.214.184 | 2026-06-24 05:04:17.700 | 2026-07-18 02:31:35.273 |
| A | 16.15.236.33 | 2026-07-18 02:31:35.273 | 2026-07-18 02:31:35.273 |
| A | 52.216.37.101 | 2026-07-18 02:31:35.273 | 2026-07-18 02:31:35.273 |
| A | 16.15.223.21 | 2026-07-18 02:31:35.273 | 2026-07-18 02:31:35.273 |
| A | 16.15.183.39 | 2026-07-18 02:31:35.273 | 2026-07-18 02:31:35.273 |
| A | 54.231.167.5 | 2026-07-18 02:31:35.273 | 2026-07-18 02:31:35.273 |
| A | 16.15.229.134 | 2026-07-18 02:31:35.273 | 2026-07-18 02:31:35.273 |
| A | 16.15.207.27 | 2026-07-18 02:31:35.273 | 2026-07-18 02:31:35.273 |