o2.cz was registered with whois.nic.cz on 11 Dec 2000 and is hosted on AS5610 O2 Czech Republic A.S. in Czechia. Its SSL certificate from DigiCert Inc expired on 23 Jul 2024, and the site does not support HTTP/3. WOT's community rates its safety excellent (82/100).
What security vendors and the WOT community say about this domain.
What loads and tracks visitors when the homepage opens.
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Every IP address o2.cz resolves to, and where it's hosted.
| Host | IPv4 address | TTL |
|---|---|---|
| o2.cz | 160.218.161.162 | 0 |
| Host | IPv6 address | TTL |
|---|---|---|
| o2.cz | 2001:41d8:1:742:2::2 | 0 |
| Host | Mail server | TTL |
|---|---|---|
| o2.cz | 10 smtp-in.o2.cz | 0 |
| Host | Name server | TTL |
|---|---|---|
| o2.cz | dns.iol.cz | 0 |
| o2.cz | ns2.tel.cz | 0 |
| Host | Text | TTL |
|---|---|---|
| o2.cz | "7m05t8bvlcch53s7ys5nrxwxsnrgmphd" | 0 |
| o2.cz | "apple-domain-verification=VZSWFvHLE8imRQhe" | 0 |
| o2.cz | "BzCZOqDSK7VNYlnjcF6OxfxT1TveRa3w68sz57ZbjxMmjM+qEgJcT509Hcr/fPqEcD3bV+qDZh2FegTRtZvcXw==" | 0 |
| o2.cz | "google-site-verification=0TIBeL91z3rZRIMY0CZSLblUAbTxh0Kr8BPG3LFtA_8" | 0 |
| o2.cz | "google-site-verification=dmXvwWWa1j3drUuBbW7E0YVtqVGwtB1HY4tN6B9sFSw" | 0 |
| o2.cz | "intersight=56f3c8232259f96eaa965d84ea4b75dfa15ed49b46edcdbe50c16dff242f86b8" | 0 |
| o2.cz | "MS=7B9F81FDD83DA2FFCACC2C8F3F61B941A25EDBB4" | 0 |
| o2.cz | "MS=ms52641182" | 0 |
| o2.cz | "ppe-87ef0e4514ad3c042110125606a3c6311b5dc64b" | 0 |
| o2.cz | "v=spf1 ip4:160.218.161.71 ip4:160.218.161.72 ip4:160.218.161.73 ip4:160.218.11.33 ip4:160.218.11.38 ip4:160.218.11.39 ip4:194.228.41.112 ip4:194.228.41.114 a:aa.iol.cz " "ip4:90.176.151.28 include:spf.mailforce.cz include:spfe.targito.com include:o2.secar.cz ip4:74.121.51.138 include:spf.smartemailing.cz ~all" | 0 |
| Host | Start of authority | TTL |
|---|---|---|
| o2.cz | dns.iol.cz hostmaster.iol.cz 2023102505 10800 3600 2592000 10800 | 0 |
| Host | Value | TTL |
|---|---|---|
| o2.cz | 256 3 13 cqonpyzr1G/6nDEbqylokv4A75B0t1mupYDf6TmNk8OKKe+jEmNwL7VAHDucHSPE4pRmm1S2uzOqRo+E2B2veQ== | 0 |
| o2.cz | 257 3 13 8YzKJKAuMXriBTa20hU+u5exo2+4TZWMVQTO6PTimUczWG2RVYnOkUHD78/8i5tC0V8t99KaQHrwwid8tFVQfQ== | 0 |
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Common questions, answered from this report's data.
WOT's community rates o2.cz excellent for safety (82/100). Its SSL certificate expired on 23 Jul 2024. See Security →
o2.cz is registered through whois.nic.cz. See WHOIS →
The registration expired on 11 Dec 2024. See Overview →
o2.cz was registered on 11 Dec 2000, making it 25 years old. See Overview →
o2.cz is served from 1 IP address, mainly on AS5610 O2 Czech Republic A.S. in Czechia. See Hosting →
Raw registry data for o2.cz. May be redacted by privacy services.
{"objectClassName": "domain", "rdapConformance": ["rdap_level_0", "fred_version_0"], "handle": "o2.cz", "ldhName": "o2.cz", "links": [{"value": "https://rdap.nic.cz/domain/o2.cz", "rel": "self", "href": "https://rdap.nic.cz/domain/o2.cz", "type": "application/rdap+json"}], "port43": "whois.nic.cz", "events": [{"eventAction": "registration", "eventDate": "2000-12-11T10:31:00+00:00"}, {"eventAction": "expiration", "eventDate": "2024-12-11T23:00:00+00:00"}, {"eventAction": "last changed", "eventDate": "2023-01-26T14:27:48+00:00"}, {"eventAction": "transfer", "eventDate": "2010-08-06T08:29:00+00:00"}], "entities": [{"objectClassName": "entity", "handle": "O2WORLDWIDELIMITED", "roles": ["registrant"], "links": [{"value": "https://rdap.nic.cz/entity/O2WORLDWIDELIMITED", "rel": "self", "href": "https://rdap.nic.cz/entity/O2WORLDWIDELIMITED", "type": "application/rdap+json"}]}, {"objectClassName": "entity", "handle": "REG-CT", "roles": ["registrar"]}], "status": ["active"], "nameservers": [{"objectClassName": "nameserver", "handle": "dns.iol.cz", "ldhName": "dns.iol.cz", "links": [{"value": "https://rdap.nic.cz/nameserver/dns.iol.cz", "rel": "self", "href": "https://rdap.nic.cz/nameserver/dns.iol.cz", "type": "application/rdap+json"}], "ipAddresses": {"v4": ["194.228.2.61"], "v6": ["2a00:1028:100:102::61"]}}, {"objectClassName": "nameserver", "handle": "ns2.tel.cz", "ldhName": "ns2.tel.cz", "links": [{"value": "https://rdap.nic.cz/nameserver/ns2.tel.cz", "rel": "self", "href": "https://rdap.nic.cz/nameserver/ns2.tel.cz", "type": "application/rdap+json"}], "ipAddresses": {"v4": ["194.228.2.1"], "v6": ["2a00:1028:1:205::2"]}}], "fred_nsset": {"objectClassName": "fred_nsset", "handle": "NSS:IOL1-RIPE:1", "links": [{"value": "https://rdap.nic.cz/fred_nsset/NSS:IOL1-RIPE:1", "rel": "self", "href": "https://rdap.nic.cz/fred_nsset/NSS:IOL1-RIPE:1", "type": "application/rdap+json"}], "nameservers": [{"objectClassName": "nameserver", "handle": "dns.iol.cz", "ldhName": "dns.iol.cz", "links": [{"value": "https://rdap.nic.cz/nameserver/dns.iol.cz", "rel": "self", "href": "https://rdap.nic.cz/nameserver/dns.iol.cz", "type": "application/rdap+json"}], "ipAddresses": {"v4": ["194.228.2.61"], "v6": ["2a00:1028:100:102::61"]}}, {"objectClassName": "nameserver", "handle": "ns2.tel.cz", "ldhName": "ns2.tel.cz", "links": [{"value": "https://rdap.nic.cz/nameserver/ns2.tel.cz", "rel": "self", "href": "https://rdap.nic.cz/nameserver/ns2.tel.cz", "type": "application/rdap+json"}], "ipAddresses": {"v4": ["194.228.2.1"], "v6": ["2a00:1028:1:205::2"]}}]}, "secureDNS": {"zoneSigned": true, "delegationSigned": true, "keyData": [{"flags": 257, "protocol": 3, "algorithm": 13, "publicKey": "8YzKJKAuMXriBTa20hU+u5exo2+4TZWMVQTO6PTimUczWG2RVYnOkUHD78/8i5tC0V8t99KaQHrwwid8tFVQfQ=="}], "maxSigLife": 1209600}, "fred_keyset": {"objectClassName": "fred_keyset", "handle": "KS:O2.CZ", "links": [{"value": "https://rdap.nic.cz/fred_keyset/KS:O2.CZ", "rel": "self", "href": "https://rdap.nic.cz/fred_keyset/KS:O2.CZ", "type": "application/rdap+json"}], "dns_keys": [{"flags": 257, "protocol": 3, "algorithm": 13, "publicKey": "8YzKJKAuMXriBTa20hU+u5exo2+4TZWMVQTO6PTimUczWG2RVYnOkUHD78/8i5tC0V8t99KaQHrwwid8tFVQfQ=="}]}, "notices": [{"title": "Disclaimer", "description": ["(c) 2023 CZ.NIC, z.s.p.o.", "Intended use of supplied data and information", "Data contained in the domain name register, as well as information supplied through public information services of CZ.NIC association, are appointed only for purposes connected with Internet network administration and operation, or for the purpose of legal or other similar proceedings, in process as regards a matter connected particularly with holding and using a concrete domain name."]}]}The first response from http://www.o2.cz, before any redirect: caching, server and policy headers.
Four timed TCP connections to port 443 from CubDomain's servers.
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