c21.hk

Website Status

HTTP headers, basic IP, and SSL information:


Page Title	Not Found
Page Status	404 - unknown / offline
Open Website	archive.org Google Search
Social Media Footprint	Twitter [nitter] Reddit [libreddit] Reddit [teddit]
External Tools	Google Certificate Transparency

Headers

HTTP/1.1 404 Not Found
Content-Type: text/html; charset=us-ascii
Server: Microsoft-HTTPAPI/2.0
Date: Sat, 27 Apr 2024 15:14:49 GMT
Connection: close
Content-Length: 315

http:1.065

gethostbyname	58.64.216.18 [058064216018.static.ctinets.com]
IP Location	Hong Kong Hong Kong - Hong Kong HK
Latitude / Longitude	22.28552 114.15769
Time Zone	+08:00
ip2long	977328146

SSL Certificate Registration

Issuer	C:US, O:Let's Encrypt, CN:R3
Subject	CN:www.c21.hk
DNS	www.c21.hk

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            04:9e:13:3d:58:0d:d6:44:33:b1:a2:ff:f0:b5:12:31:97:2a
    Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=US, O=Let's Encrypt, CN=R3
        Validity
            Not Before: Aug  2 00:00:45 2023 GMT
            Not After : Oct 31 00:00:44 2023 GMT
        Subject: CN=www.c21.hk
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (3072 bit)
                Modulus:
                    00:b1:b2:aa:06:9a:9e:76:cd:07:7c:8b:6a:2e:49:
                    85:27:80:cf:c4:27:eb:7f:ae:38:91:e9:26:56:82:
                    4a:49:e6:05:c5:37:e8:b7:cc:16:33:c7:24:87:59:
                    16:75:da:4b:d4:e3:23:b8:d1:90:ca:0f:c7:e0:8b:
                    32:58:26:98:8e:1d:02:61:b3:2f:9c:70:39:d1:c5:
                    df:94:fc:aa:9d:93:aa:48:f1:37:68:0a:6c:dc:0a:
                    27:a9:4a:b2:eb:c2:71:b8:7e:99:6f:7c:85:cd:9a:
                    a4:5f:51:cc:2f:35:86:37:31:ef:77:6f:b4:c7:53:
                    db:82:bd:11:5f:e4:7a:dc:ca:fc:27:7a:22:05:98:
                    0d:e1:eb:de:c0:f1:1b:c2:c5:cf:09:f4:98:a9:b2:
                    fe:87:5b:da:45:48:50:74:f2:52:44:d3:16:a7:fc:
                    e5:81:5d:27:64:2a:d8:53:46:62:36:15:cd:02:27:
                    4f:06:76:4c:9d:fc:97:d0:90:3d:ee:cc:ac:99:25:
                    da:c7:0e:7d:4b:a6:98:99:10:39:07:d0:c9:15:47:
                    f7:ec:93:16:19:55:0a:c0:1b:02:05:c1:db:d4:49:
                    99:8c:44:9c:4e:f8:e5:98:46:9a:2f:ca:11:e2:bd:
                    93:3a:b1:61:49:68:b4:d1:7a:ec:c0:0f:7b:0b:9a:
                    a5:85:b4:a4:61:d6:5c:3e:c7:cc:8a:16:88:33:fc:
                    c6:32:6a:dc:28:2f:77:57:a2:be:f4:2c:ad:70:23:
                    c6:89:a8:df:0c:67:c8:a2:9a:66:e3:5d:9d:d1:13:
                    c2:16:20:0a:49:23:40:cc:da:97:08:2d:84:43:84:
                    e4:96:8c:60:72:b4:d2:c5:5a:24:bd:dc:e6:6f:f5:
                    61:b8:6f:52:16:1b:ed:6f:96:32:08:b6:59:5e:54:
                    36:95:91:72:fd:93:ce:52:15:58:d8:9e:fd:4d:8b:
                    7a:65:71:89:16:ca:62:1e:ba:55:c5:21:9c:26:5c:
                    d0:1c:12:e4:63:e4:60:6e:8b:fb
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Key Usage: critical
                Digital Signature, Key Encipherment
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication, TLS Web Client Authentication
            X509v3 Basic Constraints: critical
                CA:FALSE
            X509v3 Subject Key Identifier: 
                89:56:BD:C8:89:8D:76:F1:36:77:D3:25:A4:73:56:A5:B6:6E:87:D5
            X509v3 Authority Key Identifier: 
                keyid:14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6

            Authority Information Access: 
                OCSP - URI:http://r3.o.lencr.org
                CA Issuers - URI:http://r3.i.lencr.org/

            X509v3 Subject Alternative Name: 
                DNS:www.c21.hk
            X509v3 Certificate Policies: 
                Policy: 2.23.140.1.2.1

            CT Precertificate SCTs: 
                Signed Certificate Timestamp:
                    Version   : v1(0)
                    Log ID    : 7A:32:8C:54:D8:B7:2D:B6:20:EA:38:E0:52:1E:E9:84:
                                16:70:32:13:85:4D:3B:D2:2B:C1:3A:57:A3:52:EB:52
                    Timestamp : Aug  2 01:00:46.240 2023 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:20:52:33:3F:9C:A2:C7:C1:21:32:EC:6E:BB:
                                68:8C:9B:72:8A:95:40:D1:23:AD:BA:55:EC:0D:D6:BE:
                                81:B4:C9:3A:02:21:00:D8:02:51:01:6F:84:21:C0:CD:
                                67:A4:B4:AE:38:48:9C:42:A9:96:8B:BB:9C:AD:F3:91:
                                CC:83:49:C8:A6:EE:2C
                Signed Certificate Timestamp:
                    Version   : v1(0)
                    Log ID    : B7:3E:FB:24:DF:9C:4D:BA:75:F2:39:C5:BA:58:F4:6C:
                                5D:FC:42:CF:7A:9F:35:C4:9E:1D:09:81:25:ED:B4:99
                    Timestamp : Aug  2 01:00:46.216 2023 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:46:02:21:00:8E:AF:00:AE:78:D2:DB:62:5B:44:74:
                                34:64:2A:7E:90:7B:66:57:0F:5E:98:FB:7B:4E:50:B8:
                                A4:FA:05:C9:20:02:21:00:E6:70:09:08:88:85:90:32:
                                F6:DD:2B:8F:2B:60:17:08:14:A8:EB:0C:41:B5:EF:48:
                                2C:ED:58:8C:03:4D:10:6F
    Signature Algorithm: sha256WithRSAEncryption
         92:86:d8:1b:36:53:7e:4a:bd:98:04:3b:c8:c6:04:27:0d:d1:
         87:a7:3b:8b:93:99:54:20:01:ed:f2:2a:1e:1f:6f:dd:73:73:
         73:b3:04:a5:e9:4c:e2:31:87:8b:e6:d3:9e:bd:a7:10:f5:d9:
         2f:61:08:9d:82:51:83:1a:e9:f5:0e:9c:5d:5e:fb:c5:3e:a4:
         91:81:1d:b1:1c:85:16:86:89:e9:13:5c:e8:dd:fd:c3:c8:96:
         cd:79:02:10:df:0b:2e:b5:60:31:94:82:69:d4:7d:8f:bc:68:
         5d:29:04:d5:84:f4:3c:c9:e0:f1:2a:e0:eb:d6:39:9d:38:7c:
         0c:d6:ea:3e:78:1e:5a:91:9e:0d:80:94:d5:8c:4b:fd:9c:75:
         49:32:f7:8e:81:14:0e:b3:f1:2b:31:d9:59:b9:8f:3c:ce:5f:
         0d:cd:c8:27:03:be:5c:42:ca:c0:9a:6e:b5:41:87:bb:43:88:
         03:38:fa:f1:2a:62:85:40:5c:e1:56:f9:48:69:a7:37:d7:a0:
         47:5a:ea:f1:cc:e4:6b:f1:b1:7d:75:97:d7:9b:07:ce:1b:a6:
         e0:9d:b9:60:27:eb:9f:b2:19:28:4f:70:f9:d4:39:f0:af:b1:
         a3:3d:9f:f9:f2:a7:27:69:0a:ef:2d:ed:c2:15:5e:25:b9:5d:
         ac:1a:11:20

Top Pages

suggestions: c21 hk hkt c21

世紀21(香港)

www.c21.hk

f d b21 -

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DNS Rank - Popularity

DNS Rank uses global DNS query popularity to provide a daily rank of the top 1 million websites (DNS hostnames) from 1 (most popular) to 1,000,000 (least popular). From the latest DNS analytics, c21.hk scored 838575 on 2020-10-07.

Alexa Traffic Rank [c21.hk]	Alexa Search Query Volume

Platform Date	Rank
Alexa	266180
Tranco 2020-05-13	958931
Majestic 2023-12-24	227458
DNS 2020-10-07	838575

chart:1.120

WHOIS [whois/hk | whois.hkirc.hk | whois.nic.hk]


Name	c21.hk
IdnName	c21.hk
Ips	58.64.216.18
Registered	1
Whoisserver	whois.hkirc.hk
Contacts

DNS Record Profile

whois:0.743

NS Record

Name	Type	TTL	Record
c21.hk	2	100	ns56.pointdnshere.com.
c21.hk	2	100	ns55.pointdnshere.com.

A Record

Name	Type	TTL	Record
c21.hk	1	100	58.64.216.18

MX Record

Name	Type	TTL	Record
c21.hk	15	100	10 mail.c21.hk.

TXT Record

Name	Type	TTL	Record
c21.hk	16	100	"v=spf1 a mx include:pointdnshere.com ~all"
c21.hk	16	100	"google-site-verification=RHBnm30wN9bhWrABRhOByhgPIlEz2HTYPXO_3brLwnQ"
c21.hk	16	100	"google-site-verification=8vny4-nQc64MextMecj_SZhqdbB1MyNq9XWqhWiXwa4"

DNS Authority

Name	Type	TTL	Record
c21.hk	6	3600	ns55.pointdnshere.com. root.c21.hk. 2023081002 3600 3600 1209600 86400

www.c21.hk ns56.pointdnshere.com ns55.pointdnshere.com 58.64.216.18 mail.c21.hk pointdnshere.com root.c21.hk 058064216018.static.ctinets.com c21.hk