Analysis report on IP address: 203.242.74.140
Congratulation
Your domain is really well configured
DNS
Dns servers for 74.242.203.in-addr.arpa
203.242.74.140 was detected as ipv4
- Name
- ns.skc.co.kr
- IPs
Possible problem in Dns Tree
We have detected the following error on one or more server(s).
Consult Tree for more details.
- Refuse to respond or is in timeout state.
Query informations
- Server
- g.root-servers.net
[ 192.112.36.4 ] - Duration
- 38 ms
- Type
- authority
- Headers
- RCODE : 0 AA : 0 TC : 0
Response
- Name
- a.in-addr-servers.arpa
- IPs
- Name
- b.in-addr-servers.arpa
- IPs
- Name
- c.in-addr-servers.arpa
- IPs
- Name
- d.in-addr-servers.arpa
- IPs
- Name
- e.in-addr-servers.arpa
- IPs
- Name
- f.in-addr-servers.arpa
- IPs
Query informations
- Server
- a.in-addr-servers.arpa
[ 199.180.182.53 ] - Duration
- 153 ms
- Type
- authority
- Headers
- RCODE : 0 AA : 0 TC : 0
Response
- Name
- apnic.authdns.ripe.net
- IPs
- Name
- apnic1.dnsnode.net
- IPs
- Name
- ns2.apnic.net
- IPs
- Name
- ns3.lacnic.net
- IPs
- Name
- rirns.arin.net
- IPs
Query informations
- Server
- b.in-addr-servers.arpa
[ 199.253.183.183 ] - Duration
- 39 ms
- Type
- authority
- Headers
- RCODE : 0 AA : 0 TC : 0
Response
- Name
- apnic.authdns.ripe.net
- IPs
- Name
- apnic1.dnsnode.net
- IPs
- Name
- ns2.apnic.net
- IPs
- Name
- ns3.lacnic.net
- IPs
- Name
- rirns.arin.net
- IPs
Query informations
- Server
- c.in-addr-servers.arpa
[ 196.216.169.10 ] - Duration
- 183 ms
- Type
- authority
- Headers
- RCODE : 0 AA : 0 TC : 0
Response
- Name
- apnic.authdns.ripe.net
- IPs
- Name
- apnic1.dnsnode.net
- IPs
- Name
- ns2.apnic.net
- IPs
- Name
- ns3.lacnic.net
- IPs
- Name
- rirns.arin.net
- IPs
Query informations
- Server
- d.in-addr-servers.arpa
[ 200.10.60.53 ] - Duration
- 244 ms
- Type
- authority
- Headers
- RCODE : 0 AA : 0 TC : 0
Response
- Name
- apnic.authdns.ripe.net
- IPs
- Name
- apnic1.dnsnode.net
- IPs
- Name
- ns2.apnic.net
- IPs
- Name
- ns3.lacnic.net
- IPs
- Name
- rirns.arin.net
- IPs
Query informations
- Server
- e.in-addr-servers.arpa
[ 203.119.86.101 ] - Duration
- 257 ms
- Type
- authority
- Headers
- RCODE : 0 AA : 0 TC : 0
Response
- Name
- apnic.authdns.ripe.net
- IPs
- Name
- apnic1.dnsnode.net
- IPs
- Name
- ns2.apnic.net
- IPs
- Name
- ns3.lacnic.net
- IPs
- Name
- rirns.arin.net
- IPs
Query informations
- Server
- f.in-addr-servers.arpa
[ 193.0.9.1 ] - Duration
- 25 ms
- Type
- authority
- Headers
- RCODE : 0 AA : 0 TC : 0
Response
- Name
- apnic.authdns.ripe.net
- IPs
- Name
- apnic1.dnsnode.net
- IPs
- Name
- ns2.apnic.net
- IPs
- Name
- ns3.lacnic.net
- IPs
- Name
- rirns.arin.net
- IPs
Query informations
- Server
- apnic.authdns.ripe.net
[ 193.0.9.9 ] - Duration
- 2811 ms
- Type
- authority
- Headers
- RCODE : 0 AA : 0 TC : 0
Response
Query informations
- Server
- apnic1.dnsnode.net
[ 194.146.106.106 ] - Duration
- 22 ms
- Type
- authority
- Headers
- RCODE : 0 AA : 0 TC : 0
Response
Query informations
- Server
- ns2.apnic.net
[ 203.119.95.53 ] - Duration
- 21 ms
- Type
- authority
- Headers
- RCODE : 0 AA : 0 TC : 0
Response
Query informations
- Server
- ns3.lacnic.net
[ 200.3.13.14 ] - Duration
- 199 ms
- Type
- authority
- Headers
- RCODE : 0 AA : 0 TC : 0
Response
Query informations
- Server
- rirns.arin.net
[ 199.253.249.53 ] - Duration
- 145 ms
- Type
- authority
- Headers
- RCODE : 0 AA : 0 TC : 0
Response
Query informations
- Server
- b.dns.kr
[ 210.101.60.1 ] - Duration
- 1222 ms
- Type
- authority
- Headers
- RCODE : 0 AA : 0 TC : 0
Response
- Name
- ns.nuri.net
- IPs
- Name
- ns.skc.co.kr
- IPs
Query informations
- Server
- c.dns.kr
[ 210.101.61.1 ] - Duration
- 270 ms
- Type
- authority
- Headers
- RCODE : 0 AA : 0 TC : 0
Response
- Name
- ns.nuri.net
- IPs
- Name
- ns.skc.co.kr
- IPs
Query informations
- Server
- d.dns.kr
[ 203.83.159.1 ] - Duration
- 228 ms
- Type
- authority
- Headers
- RCODE : 0 AA : 0 TC : 0
Response
- Name
- ns.nuri.net
- IPs
- Name
- ns.skc.co.kr
- IPs
Query informations
- Server
- e.dns.kr
[ 202.30.124.100 ] - Duration
- 218 ms
- Type
- authority
- Headers
- RCODE : 0 AA : 0 TC : 0
Response
- Name
- ns.nuri.net
- IPs
- Name
- ns.skc.co.kr
- IPs
Query informations
- Server
- f.dns.kr
[ 210.101.62.1 ] - Duration
- 264 ms
- Type
- authority
- Headers
- RCODE : 0 AA : 0 TC : 0
Response
- Name
- ns.nuri.net
- IPs
- Name
- ns.skc.co.kr
- IPs
Query informations
- Server
- g.dns.kr
[ 202.31.190.1 ] - Duration
- 785 ms
- Type
- authority
- Headers
- RCODE : 0 AA : 0 TC : 0
Response
- Name
- ns.nuri.net
- IPs
- Name
- ns.skc.co.kr
- IPs
Query informations
- Server
- ns.nuri.net
[ 203.235.122.164 ] - Duration
- 285 ms
- Type
- refused
- Headers
- RCODE : 5 AA : 0 TC : 0
Le serveur refuse de répondre à la requête de type edns.
Query informations
- Server
- ns.skc.co.kr
[ 203.242.127.90 ] - Duration
- 222 ms
- Type
- unknown
- Headers
- RCODE : 0 AA : 1 TC : 0
Ip
Informations
- Ip
- 203.242.74.140
- Type
- ipv4
- Reverse
- aprv1a.skc.kr
- ARPA
- 140.74.242.203.in-addr.arpa
- Class C
- 203.242.74.0/24
- ASN
- 10049 SK Co.
- Organisation
- IM668-AP
- Maintainer
- MNT-KRNIC-AP
Reputation
- Blacklists
- Whois server
- whois.apnic.net
% [whois.apnic.net] % Whois data copyright terms http://www.apnic.net/db/dbcopyright.html % Information related to '203.242.74.0 - 203.242.74.255' % Abuse contact for '203.242.74.0 - 203.242.74.255' is O32GiA== [at] nic.or.kr' inetnum: 203.242.74.0 - 203.242.74.255 netname: SK-NET descr: SK Co., country: KR admin-c: IM668-AP tech-c: IM668-AP status: ALLOCATED PORTABLE mnt-by: MNT-KRNIC-AP mnt-irt: IRT-KRNIC-KR last-modified: 2019-04-29T07:40:12Z source: APNIC % Information related to '203.242.74.0 - 203.242.74.255' inetnum: 203.242.74.0 - 203.242.74.255 netname: SK-NET-KR descr: SK Co., country: KR admin-c: IA126-KR tech-c: BS126-KR status: ALLOCATED PORTABLE mnt-by: MNT-KRNIC-AP mnt-irt: IRT-KRNIC-KR remarks: This information has been partially mirrored by APNIC from remarks: KRNIC. To obtain more specific information, please use the remarks: KRNIC whois server at whois.kisa.or.kr. changed: fIOHiIF1h4h5hg== [at] nic.or.kr source: KRNIC % This query was served by the APNIC Whois Service version 1.88.15-SNAPSHOT (WHOIS-UK4)
Blacklists
- RFC Ignorant
- Rbl Jp
- RblDns
- Sorbs
- Spam Eating Monkey
- SpamHaus
- SuRbl
- Support Intelligence
- Swinog
- UriBl
Ip is not blacklisted
Passed
An ip must not be blacklisted or it will be penalized for referencing and deliverability of emails.
0.000s
There is no mail server. Please test aprv1a.skc.kr.
- Name
- aprv1a.skc.kr
- IP
- 203.242.74.140
- Accessible
Web
There is no web server. Please test aprv1a.skc.kr.
- Url
- http://203.242.74.140/
- Timeout
- Yes
- Url
- https://203.242.74.140/
- Timeout
- Yes
HTTP port (80) is open
Skipped
This test verifies the presence of a website for the given IP or domain. Then scans port 80.
If the domain or IP is pointing to a website then port 80 must be open so that it can be accessed from a browser.
Otherwise port 80 must be closed.
0.000s
HTTPS port (443) is open
Skipped
This test verifies the presence of a website for the given IP or domain. Then scans port 443.
If the domain or IP is pointing to a website then port 443 must be open so that it can be accessed from a browser.
Otherwise port 443 must be closed.
0.000s
Web server version is hidden
Skipped
To avoid giving details to malicious people, the version of the server should not be visible.
0.000s
Web application technology is hidden
Skipped
To avoid giving details to malicious people, the technology that supports the application should not be visible.
0.000s
Cookies are secure
Skipped
Using "HttpOnly" instruction prevents someone to access to cookies via Javascript. The secure flag will allow you to prevent a cookie from ever being communicated in simple HTTP. (RFC 6265 section 8.3)
RFC0.000s
X-XSS-Protection header is present
Skipped
The HTTP X-XSS-Protection response header is a feature of Internet Explorer, Chrome and Safari that stops pages from loading when they detect reflected cross-site scripting (XSS) attacks.
documentation0.000s
Content Security Policy header is present
Skipped
The HTTP Content-Security-Policy response header allows web site administrators to control resources the user agent is allowed to load for a given page. With a few exceptions, policies mostly involve specifying server origins and script endpoints. This helps guard against cross-site scripting attacks (XSS).
documentation0.000s
Content Type Options header is present
Skipped
The only defined value, "nosniff", prevents Internet Explorer from MIME-sniffing a response away from the declared content-type. This also applies to Google Chrome, when downloading extensions.
0.000s