Last Updated: May 21, 2024
classnote.co.kr has 2 NS records, 1 A records, 0 AAAA records, 1 MX records, and 1 TXT records. Name servers for classnote.co.kr are ns2.kakao.com, ns1.kakao.com. A records for classnote.co.kr are 121.53.85.7. MX records that process @classnote.co.kr email are mail.classnote.co.kr. We have observed classnote.co.kr to have 1 subdomains. A subdomain count of 1 is considered a small digital footprint. The domain's primary website is hosted on a nginx web server at 121.53.85.7 in Korea, Republic of. The website's description is: "키즈노트가 만든 학원 전용 1:1 소통 공간!"
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121.53.85.7
No DNS AAAA records
mail.classnote.co.kr
ns2.kakao.com
ns1.kakao.com
classnote.co.kr. 600 IN TXT "v=spf1 include:_spf.google.com ~all"
classnote.co.kr has 1 subdomains in our inventory.
nginx
Korea, Republic of
og:url: https://www.classnote.com/
og:type: website
og:title: 클래스노트, 학원 전용 무료 소통 공간
og:locale: ko_kr
og:description: 키즈노트가 만든 학원 전용 1:1 소통 공간!
og:image: /assets/imgs/img_og_classnote.png
og:site_name: class note
{"message_type": "certificate_update", "data": {"leaf_cert": {"not_after": 1700538353, "signature_algorithm": "sha256, rsa", "extensions": {"subjectKeyIdentifier": "14:75:26:68:3C:FF:26:04:7F:4D:0F:4B:7E:A6:E9:55:8E:19:06:0A", "authorityKeyIdentifier": "keyid:14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6\n", "extendedKeyUsage": "TLS Web server authentication, TLS Web client authentication", "subjectAltName": "DNS:*.classnote.co.kr", "keyUsage": "Digital Signature, Key Encipherment", "certificatePolicies": "Policy: 2.23.140.1.2.1", "ctlSignedCertificateTimestamp": "BIHzAPEAdwB6MoxU2LcttiDqOOBSHumEFnAyE4VNO9IrwTpXo1LrUgAAAYogtqOgAAAEAwBIMEYCIQCGGSJbg1jkN7GYfKQOVQw-oK4R0rdh2beDJkqnI5x3MAIhAIt6BvKZYZLG2uYzd_exjZad8SbxIdBq2HKowhLEGIVoAHYArfe--nz_EMiLnT2cHj4YarRnKV3PsQwkyoWGNOvcgooAAAGKILajxQAABAMARzBFAiB85hqX1fSYQJTI6N9zpZpfCzDvul5dfCZcx6IamfY_uwIhALV-EAb2W0lbjl9W59hyPjqKI3sKwWpBjlA_frJPTsPB", "authorityInfoAccess": "CA Issuers - URI:http://r3.i.lencr.org/\nOCSP - URI:http://r3.o.lencr.org\n", "basicConstraints": "CA:FALSE"}, "fingerprint": "80:F0:8F:EC:50:64:0B:1B:52:EB:8E:1D:D8:4C:2A:45:FE:92:B6:BE", "all_domains": ["*.classnote.co.kr"], "serial_number": "48C101CA8EB336D584C600A96E853B709A7", "subject": {"C": null, "CN": "*.classnote.co.kr", "L": null, "O": null, "ST": null, "emailAddress": null, "OU": null, "aggregated": "/CN=*.classnote.co.kr"}, "not_before": 1692762354, "issuer": {"C": "US", "CN": "R3", "L": null, "O": "Let's Encrypt", "ST": null, "emailAddress": null, "OU": null, "aggregated": "/C=US/CN=R3/O=Let's Encrypt"}}, "cert_link": "https://ct.googleapis.com/logs/xenon2023/ct/v1/get-entries?start=1806737291&end=1806737291", "source": {"url": "https://ct.googleapis.com/logs/xenon2023/", "name": "Google 'Xenon2023' log"}, "update_type": "X509LogEntry", "seen": 1692766033.084097, "cert_index": 1806737291}}