Last Updated: May 21, 2024
classnote.kr has 2 NS records, 1 A records, 0 AAAA records, 1 MX records, and 1 TXT records. Name servers for classnote.kr are ns2.kakao.com, ns1.kakao.com. A records for classnote.kr are 121.53.85.7. MX records that process @classnote.kr email are mail.classnote.kr. We have observed classnote.kr to have 2 subdomains. A subdomain count of 2 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.kr
ns2.kakao.com
ns1.kakao.com
classnote.kr. 600 IN TXT "v=spf1 include:_spf.google.com ~all"
classnote.kr has 2 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": 1701212863, "signature_algorithm": "sha256, rsa", "extensions": {"subjectKeyIdentifier": "24:A9:1E:2B:F5:9C:8B:E1:A5:44:95:CF:9A:43:1F:DA:92:83:B3:8F", "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:www.classnote.kr, DNS:classnote.kr", "keyUsage": "Digital Signature, Key Encipherment", "certificatePolicies": "Policy: 2.23.140.1.2.1", "ctlSignedCertificateTimestamp": "BIHzAPEAdwB6MoxU2LcttiDqOOBSHumEFnAyE4VNO9IrwTpXo1LrUgAAAYpI6tYEAAAEAwBIMEYCIQDQIZZIx6i4xUZistCi9Tzhdw9OvK_hKTTrzopBNkn13QIhANbKjuKbTG_ysYA2obNj1kXqXQSIYN1uJ4NNS-M8R0WFAHYArfe--nz_EMiLnT2cHj4YarRnKV3PsQwkyoWGNOvcgooAAAGKSOrWOwAABAMARzBFAiEAzPE81JaUYuMeY7OgquIogX90enifg4iERfKhAXmyYisCIHC4t-Eejh1nJj2wA5daZuSreneTx38uupE8br7sgHCH", "authorityInfoAccess": "CA Issuers - URI:http://r3.i.lencr.org/\nOCSP - URI:http://r3.o.lencr.org\n", "basicConstraints": "CA:FALSE"}, "fingerprint": "7D:32:D5:84:89:BF:7F:F7:30:BB:EC:B0:76:6B:37:36:07:75:2D:6C", "all_domains": ["classnote.kr", "www.classnote.kr"], "serial_number": "48C45D2622BF9BBA89123BB2C6E4DAB2032", "subject": {"C": null, "CN": "classnote.kr", "L": null, "O": null, "ST": null, "emailAddress": null, "OU": null, "aggregated": "/CN=classnote.kr"}, "not_before": 1693436864, "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/argon2023/ct/v1/get-entries?start=1619984140&end=1619984140", "source": {"url": "https://ct.googleapis.com/logs/argon2023/", "name": "Google 'Argon2023' log"}, "update_type": "X509LogEntry", "seen": 1693440571.277609, "cert_index": 1619984140}}