classroom.google.com

Historically Associated IPs

2404:6800:4003:c1a::66

Open Ports (2)

80/http 443/https

Detailed Open Ports

IPs (6):

74.125.68.138 74.125.68.139 74.125.68.101 74.125.68.100 74.125.68.113 74.125.68.102

Port	Protocol	State	Service	Product	Banner / Title
80	tcp	open	http	—	Redirect -> https://classroom.google.com/ 74.125.68.138 301 Redirect Probe details Module: zgrab - http Last probed: 16 May 2026 at 20:51 UTC Redirect: https://classroom.google.com/ Headers: `server`: ESF `location`: https://classroom.google.com/ 74.125.68.139 301 Redirect Probe details Module: zgrab - http Last probed: 16 May 2026 at 20:51 UTC Redirect: https://classroom.google.com/ Headers: `server`: ESF `location`: https://classroom.google.com/ 74.125.68.101 301 Redirect Probe details Module: zgrab - http Last probed: 16 May 2026 at 20:51 UTC Redirect: https://classroom.google.com/ Headers: `server`: ESF `location`: https://classroom.google.com/ 74.125.68.100 301 Redirect Probe details Module: zgrab - http Last probed: 16 May 2026 at 20:51 UTC Redirect: https://classroom.google.com/ Headers: `server`: ESF `location`: https://classroom.google.com/ 74.125.68.113 301 Redirect Probe details Module: zgrab - http Last probed: 16 May 2026 at 20:51 UTC Redirect: https://classroom.google.com/ Headers: `server`: ESF `location`: https://classroom.google.com/ 74.125.68.102 301 Redirect Probe details Module: zgrab - http Last probed: 16 May 2026 at 20:51 UTC Redirect: https://classroom.google.com/ Headers: `server`: ESF `location`: https://classroom.google.com/
443	tcp	open	https	—	Redirect -> https://accounts.google.com/ServiceLogin?service=classroom&passive=1209600&continue=https://classroom.google.com/&followup=https://classroom.google.com/&emr=1 74.125.68.138 302 TLSv1.3 TLS_CHACHA20_POLY1305_SHA256 JARM Redirect Cert 42d Probe details Module: zgrab - tls+https+jarm Last probed: 16 May 2026 at 20:51 UTC Redirect: https://accounts.google.com/ServiceLogin?service=classroom&passive=1209600&continue=https://classroom.google.com/&followup=https://classroom.google.com/&emr=1 Cert subject: classroom.google.com Cert issuer: WR2 Cert not before: 20 Apr 2026 at 08:37 UTC Cert not after: 13 Jul 2026 at 08:37 UTC SAN count: 2 JARM: `29d3fd00029d29d21c42d43d00041df61f6b5fa6973e9fa14c8155669c6633` Headers: `server`: ESF `location`: https://accounts.google.com/ServiceLogin?service=classroom&passive=1209600&continue=https://classroom.google.com/&followup=https://classroom.google.com/&emr=1 74.125.68.139 302 TLSv1.3 TLS_CHACHA20_POLY1305_SHA256 JARM Redirect Cert 42d Probe details Module: zgrab - tls+https+jarm Last probed: 16 May 2026 at 20:51 UTC Redirect: https://accounts.google.com/ServiceLogin?service=classroom&passive=1209600&continue=https://classroom.google.com/&followup=https://classroom.google.com/&emr=1 Cert subject: classroom.google.com Cert issuer: WR2 Cert not before: 20 Apr 2026 at 08:37 UTC Cert not after: 13 Jul 2026 at 08:37 UTC SAN count: 2 JARM: `29d3fd00029d29d21c42d43d00041df61f6b5fa6973e9fa14c8155669c6633` Headers: `server`: ESF `location`: https://accounts.google.com/ServiceLogin?service=classroom&passive=1209600&continue=https://classroom.google.com/&followup=https://classroom.google.com/&emr=1 74.125.68.101 302 TLSv1.3 TLS_CHACHA20_POLY1305_SHA256 JARM Redirect Cert 42d Probe details Module: zgrab - tls+https+jarm Last probed: 16 May 2026 at 20:51 UTC Redirect: https://accounts.google.com/ServiceLogin?service=classroom&passive=1209600&continue=https://classroom.google.com/&followup=https://classroom.google.com/&emr=1 Cert subject: classroom.google.com Cert issuer: WR2 Cert not before: 20 Apr 2026 at 08:37 UTC Cert not after: 13 Jul 2026 at 08:37 UTC SAN count: 2 JARM: `29d3fd00029d29d21c42d43d00041df61f6b5fa6973e9fa14c8155669c6633` Headers: `server`: ESF `location`: https://accounts.google.com/ServiceLogin?service=classroom&passive=1209600&continue=https://classroom.google.com/&followup=https://classroom.google.com/&emr=1 74.125.68.100 302 TLSv1.3 TLS_CHACHA20_POLY1305_SHA256 JARM Redirect Cert 42d Probe details Module: zgrab - tls+https+jarm Last probed: 16 May 2026 at 20:51 UTC Redirect: https://accounts.google.com/ServiceLogin?service=classroom&passive=1209600&continue=https://classroom.google.com/&followup=https://classroom.google.com/&emr=1 Cert subject: classroom.google.com Cert issuer: WR2 Cert not before: 20 Apr 2026 at 08:37 UTC Cert not after: 13 Jul 2026 at 08:37 UTC SAN count: 2 JARM: `29d3fd00029d29d21c42d43d00041df61f6b5fa6973e9fa14c8155669c6633` Headers: `server`: ESF `location`: https://accounts.google.com/ServiceLogin?service=classroom&passive=1209600&continue=https://classroom.google.com/&followup=https://classroom.google.com/&emr=1 74.125.68.113 302 TLSv1.3 TLS_CHACHA20_POLY1305_SHA256 JARM Redirect Cert 42d Probe details Module: zgrab - tls+https+jarm Last probed: 16 May 2026 at 20:51 UTC Redirect: https://accounts.google.com/ServiceLogin?service=classroom&passive=1209600&continue=https://classroom.google.com/&followup=https://classroom.google.com/&emr=1 Cert subject: classroom.google.com Cert issuer: WR2 Cert not before: 20 Apr 2026 at 08:37 UTC Cert not after: 13 Jul 2026 at 08:37 UTC SAN count: 2 JARM: `29d3fd00029d29d21c42d43d00041df61f6b5fa6973e9fa14c8155669c6633` Headers: `server`: ESF `location`: https://accounts.google.com/ServiceLogin?service=classroom&passive=1209600&continue=https://classroom.google.com/&followup=https://classroom.google.com/&emr=1 74.125.68.102 302 TLSv1.3 TLS_CHACHA20_POLY1305_SHA256 JARM Redirect Cert 42d Probe details Module: zgrab - tls+https+jarm Last probed: 16 May 2026 at 20:51 UTC Redirect: https://accounts.google.com/ServiceLogin?service=classroom&passive=1209600&continue=https://classroom.google.com/&followup=https://classroom.google.com/&emr=1 Cert subject: classroom.google.com Cert issuer: WR2 Cert not before: 20 Apr 2026 at 08:37 UTC Cert not after: 13 Jul 2026 at 08:37 UTC SAN count: 2 JARM: `29d3fd00029d29d21c42d43d00041df61f6b5fa6973e9fa14c8155669c6633` Headers: `server`: ESF `location`: https://accounts.google.com/ServiceLogin?service=classroom&passive=1209600&continue=https://classroom.google.com/&followup=https://classroom.google.com/&emr=1

IPs (3):

2404:6800:4003:c1a::65 2404:6800:4003:c1a::8a 2404:6800:4003:c1a::71

Port	Protocol	State	Service	Product	Banner / Title
80	tcp	open	http	—	Error 400 (Bad Request)!!1 2404:6800:4003:c1a::65 Probe details Module: zgrab - http Last probed: 16 May 2026 at 20:51 UTC 2404:6800:4003:c1a::8a Probe details Module: zgrab - http Last probed: 16 May 2026 at 20:51 UTC 2404:6800:4003:c1a::71 Probe details Module: zgrab - http Last probed: 16 May 2026 at 20:51 UTC
443	tcp	open	https	—	Error 400 (Bad Request)!!1 2404:6800:4003:c1a::65 TLSv1.3 TLS_CHACHA20_POLY1305_SHA256 JARM Cert 42d Probe details Module: zgrab - tls+https+jarm Last probed: 16 May 2026 at 20:51 UTC Cert subject: classroom.google.com Cert issuer: WR2 Cert not before: 20 Apr 2026 at 08:37 UTC Cert not after: 13 Jul 2026 at 08:37 UTC SAN count: 2 JARM: `29d3fd00029d29d21c42d43d00041df61f6b5fa6973e9fa14c8155669c6633` 2404:6800:4003:c1a::8a TLSv1.3 TLS_CHACHA20_POLY1305_SHA256 JARM Cert 42d Probe details Module: zgrab - tls+https+jarm Last probed: 16 May 2026 at 20:51 UTC Cert subject: classroom.google.com Cert issuer: WR2 Cert not before: 20 Apr 2026 at 08:37 UTC Cert not after: 13 Jul 2026 at 08:37 UTC SAN count: 2 JARM: `29d3fd00029d29d21c42d43d00041df61f6b5fa6973e9fa14c8155669c6633` 2404:6800:4003:c1a::71 TLSv1.3 TLS_CHACHA20_POLY1305_SHA256 JARM Cert 42d Probe details Module: zgrab - tls+https+jarm Last probed: 16 May 2026 at 20:51 UTC Cert subject: classroom.google.com Cert issuer: WR2 Cert not before: 20 Apr 2026 at 08:37 UTC Cert not after: 13 Jul 2026 at 08:37 UTC SAN count: 2 JARM: `29d3fd00029d29d21c42d43d00041df61f6b5fa6973e9fa14c8155669c6633`

IP: 2404:6800:4003:c1a::64

Port	Protocol	State	Service	Product	Banner / Title
80	tcp	open	http	—	Error 400 (Bad Request)!!1 Probe details Module: zgrab - http Last probed: 16 May 2026 at 20:51 UTC
443	tcp	open	https	—	— TLSv1.3 TLS_CHACHA20_POLY1305_SHA256 JARM Cert 42d Probe details Module: zgrab - tls+https+jarm Last probed: 16 May 2026 at 20:51 UTC Cert subject: classroom.google.com Cert issuer: WR2 Cert not before: 20 Apr 2026 at 08:37 UTC Cert not after: 13 Jul 2026 at 08:37 UTC SAN count: 2 JARM: `29d3fd00029d29d21c42d43d00041df61f6b5fa6973e9fa14c8155669c6633`

classroom.google.com

Associated IPs (10):

Domain Hierarchy

Open Ports (2)