Zenn.dev Zenn｜プログラマーのための情報共有コミュニティ
Zennはプログラマーやクリエイターが技術・開発についての知見をシェアする場所です。ウェブ上での本の販売や、読者からのサポートにより対価を受け取ることができます。
Server IP address resolved: Yes
Http response code: 200
Response time: 0.77 sec.
Last Checked: 06/20/2023
Over the time zenn.dev has been ranked as high as 2,114 in the world.
Zenn.dev receives about 207 unique visitors and 414 pageviews per day. The estimated value of zenn.dev is 2,920 USD. Each unique visitor makes about 2 pageviews on average.
Zenn.dev is registered under .DEV top-level domain. Check other websites in .DEV zone.
At the time of the last check (September 19, 2020) zenn.dev has an expired wildcard SSL certificate issued by Let's Encrypt (expired on November 17, 2020). Check other websites using SSL certificates issued by Let's Encrypt.
According to Google Safe Browsing, Google Safe Search and Symantec zenn.dev is quite a safe domain.
Alexa Rank shows how popular zenn.dev is in comparison with other sites. The most popular site has Alexa Rank equals 1. If zenn.dev has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to zenn.dev and pageviews on zenn.dev over the past 3 months.
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
Norton ConnectSafe evaluates zenn.dev for any unsafe and insecure content. The results are critical for families with young children.
SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.
"zenn.dev" is not a phishing page.
"zenn.dev" does not install unwanted software.
"zenn.dev" does not contain harmfull applications.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
McAfee assesses zenn.dev for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze zenn.dev for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the zenn.dev. This reputation system receives ratings from users and information from third-party sources, assesses the zenn.dev for safety features and confirms, whether zenn.dev is suitable for children.
| Domain | *.zenn.dev |
| Issuer Organization | Let's Encrypt |
| Issuer | Let's Encrypt Authority X3 |
| Algorithm | RSA-SHA256 |
| Valid form | 08/19/2020 |
| Expiration | 11/17/2020 |
| Signed | Certificate is not self signed |
| Additional Domains | *.zenn.dev zenn.dev |
ASN ID: 15169
ASN Title: GOOGLE - Google LLC, US
Last Update: 09/05/2023
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
ASNumber: 15169
ASName: GOOGLE
ASHandle: AS15169
RegDate: 2000-03-30
Updated: 2012-02-24
Ref: https://rdap.arin.net/registry/autnum/15169
OrgName: Google LLC
OrgId: GOGL
Address: 1600 Amphitheatre Parkway
City: Mountain View
StateProv: CA
PostalCode: 94043
Country: US
RegDate: 2000-03-30
Updated: 2017-12-21
Ref: https://rdap.arin.net/registry/entity/GOGL
OrgAbuseHandle: ABUSE5250-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-253-0000
OrgAbuseEmail: network-abuse@google.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE5250-ARIN
OrgTechHandle: ZG39-ARIN
OrgTechName: Google LLC
OrgTechPhone: +1-650-253-0000
OrgTechEmail: arin-contact@google.com
OrgTechRef: https://rdap.arin.net/registry/entity/ZG39-ARIN
RTechHandle: ZG39-ARIN
RTechName: Google LLC
RTechPhone: +1-650-253-0000
RTechEmail: arin-contact@google.com
RTechRef: https://rdap.arin.net/registry/entity/ZG39-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
zenn.dev domain is not supported
| Host | A Record | TTL |
|---|---|---|
| zenn.dev | 76.76.21.21 | 86400 |
| Host | MX Record | Priority | TTL |
|---|
| Host | NS Record | TTL |
|---|---|---|
| zenn.dev | ns-cloud-a2.googledomains.com | 21600 |
| zenn.dev | ns-cloud-a4.googledomains.com | 21600 |
| zenn.dev | ns-cloud-a1.googledomains.com | 21600 |
| zenn.dev | ns-cloud-a3.googledomains.com | 21600 |
| Host | TXT Record | TTL |
|---|
ns-cloud-a1.googledomains.com
TTL: 21600
Email address: cloud-dns-hostmaster.google.com
Serial: 49
Refresh: 21600
Retry: 3600
Expire: 259200
Minimum: 300
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