521ouc.com 教育咨询_教育软件开发销售_山东欧呈教育科技有限公司
山东欧呈教育科技有限公司成立于2018年09月25日，注册地位于山东省烟台市高新区大学生创业园 C417室，法定代表人为张玉花。经营范围包括图书、文具、文化用品的销售；教育咨询（不含办学及培训）；设计、制作、代理、发布广告；组织文化艺术交流活动；教育软件开发、销售；创意策划服务。（依法须经批准的项目...
Server IP address resolved: Yes
Http response code: 200
Response time: 0.25 sec.
Last Checked: 08/10/2023
521ouc.com receives about 10,342 unique visitors and 41,368 pageviews per day. The estimated value of 521ouc.com is 62,640 USD. Each unique visitor makes about 4 pageviews on average.
521ouc.com is registered under .COM top-level domain. Check other websites in .COM zone.
At the time of the last check (August 10, 2023) 521ouc.com has an expired SSL certificate issued by Let's Encrypt (expired on November 02, 2023). Check other websites using SSL certificates issued by Let's Encrypt.
According to Symantec 521ouc.com is quite a safe domain.
Not tested yet
Alexa Rank shows how popular 521ouc.com is in comparison with other sites. The most popular site has Alexa Rank equals 1. If 521ouc.com 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 521ouc.com and pageviews on 521ouc.com 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 521ouc.com 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.
McAfee assesses 521ouc.com 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 521ouc.com for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the 521ouc.com. This reputation system receives ratings from users and information from third-party sources, assesses the 521ouc.com for safety features and confirms, whether 521ouc.com is suitable for children.
| Domain | 521ouc.com |
| Issuer Organization | Let's Encrypt |
| Issuer | E1 |
| Algorithm | ecdsa-with-SHA384 |
| Valid form | 08/04/2023 |
| Expiration | 11/02/2023 |
| Signed | Certificate is not self signed |
| Additional Domains | *.521ouc.com 521ouc.com |
ASN ID: 13335
ASN Title: CLOUDFLARENET - Cloudflare, Inc., US
Last Update: 08/10/2023
#
# 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: 13335
ASName: CLOUDFLARENET
ASHandle: AS13335
RegDate: 2010-07-14
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/autnum/13335
OrgName: Cloudflare, Inc.
OrgId: CLOUD14
Address: 101 Townsend Street
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2010-07-09
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/entity/CLOUD14
OrgTechHandle: ADMIN2521-ARIN
OrgTechName: Admin
OrgTechPhone: +1-650-319-8930
OrgTechEmail: rir@cloudflare.com
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN
OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-319-8930
OrgAbuseEmail: abuse@cloudflare.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN
OrgNOCHandle: NOC11962-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-650-319-8930
OrgNOCEmail: noc@cloudflare.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN
RNOCHandle: NOC11962-ARIN
RNOCName: NOC
RNOCPhone: +1-650-319-8930
RNOCEmail: noc@cloudflare.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN
RTechHandle: ADMIN2521-ARIN
RTechName: Admin
RTechPhone: +1-650-319-8930
RTechEmail: rir@cloudflare.com
RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN
RAbuseHandle: ABUSE2916-ARIN
RAbuseName: Abuse
RAbusePhone: +1-650-319-8930
RAbuseEmail: abuse@cloudflare.com
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-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.
#
Domain Name: 521OUC.COM
Registry Domain ID: 2772477151_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.55hl.com
Registrar URL: http://www.55hl.com
Updated Date: 2023-08-09T03:34:40Z
Creation Date: 2023-04-12T18:16:36Z
Registry Expiry Date: 2024-04-12T18:16:36Z
Registrar: Jiangsu Bangning Science & technology Co. Ltd.
Registrar IANA ID: 1469
Registrar Abuse Contact Email:
Registrar Abuse Contact Phone:
Domain Status: ok https://icann.org/epp#ok
Name Server: JERRY.NS.CLOUDFLARE.COM
Name Server: TESS.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2023-08-10T06:09:41Z
| Host | A Record | TTL |
|---|---|---|
| 521ouc.com | 172.67.142.10 | 300 |
| 521ouc.com | 104.21.79.51 | 300 |
| Host | MX Record | Priority | TTL |
|---|
| Host | NS Record | TTL |
|---|---|---|
| 521ouc.com | jerry.ns.cloudflare.com | 86400 |
| 521ouc.com | tess.ns.cloudflare.com | 86400 |
| Host | TXT Record | TTL |
|---|
jerry.ns.cloudflare.com
TTL: 1800
Email address: dns.cloudflare.com
Serial: 2316636004
Refresh: 10000
Retry: 2400
Expire: 604800
Minimum: 1800
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