datacamp.co.uk refs

~~Search for references~~

Find saved network results that mention a domain name or IP address.

Host

IP or domain (required)

~~Related arguments and description~~

Find hosts that appear alongside an IP address or domain in cached command results.

Host

IP or domain (required)

~~Subdomains arguments and description~~

Find known subdomains in cached command results. This searches the cache and does not perform a live scan.

Host

Domain (required)

~~Nslookup arguments and description~~

NSLOOKUP is a programm for querying NS server for a specified domain. This tool is commonly used for detecting the IP address of the domain (A record), but can be used for receiving other NS records. It is very similar to DIG command. Unlike DIG, NSLOOKUP is based on its own resolver library.

Host

IP or domain (required)

NS server

DNS server IP or domain (optional)

Type

Not set

A (IPv4 address)

AAAA (IPv6 address)

A+AAAA (IPv4 + IPv6 addresses)

ANY (any record)

CNAME (canonical name)

MX (mail exchanger record)

NS (name server record)

PTR (pointer record)

SOA (start of authority record)

SRV (service record)

TXT (text information records)

Port

-port=number (server port, default 53)

Debug

Not set

-debug (show debug information)

-nodebug (no debug information in output, default)

Debug2

Not set

-d2 (show debug level 2 information)

-nod2 (no debug level 2 information in output, default)

~~Ping arguments and description~~

PING is the network command, which lets you check whether or not the host is alive and responding. The special protocol ICMP is used for pinging. See RFC 792 for ICMP protocol details. You can find the command arguments below.

Host

IP or domain (required)

Protocol

Not set (auto)

-4 (use IPv4 only)

-6 (use IPv6 only)

Packet size

-s number (default 56)

Map IP

Not set

-n (do not map IP to hostname)

MTU

Not set

-M do (prohibit fragmentation)

-M want (fragment locally when packet size is large)

-M dont (do not set DF flag)

Timestamp

Not set

-D (print timestamp)

~~Whois arguments and description~~

WHOIS searches Whois servers for the object (domain or IP). The special WHOIS protocol is used for querying the Whois servers. See RFC 3912 for the protocol specification. This command is available on all linux systems and has a lot of arguments. The most important argument is host address. See the arguments decription below.

Host

IP or domain (required)

~~Host arguments and description~~

HOST is a DNS lookup utility. You can use it to convert names to IP addresses and vice versa. It is similar to DIG and NSLOOKUP. This command is available on all linux distributives. There are several arguments. You can find decription of the arguments below.

Host

IP or domain (required)

NS server

DNS server IP or domain (optional)

Protocol

Not set (auto)

-4 (use IPv4 only)

-6 (use IPv6 only)

Type

Not set

A (IPv4 address)

AAAA (IPv6 address)

A+AAAA (IPv4 + IPv6 addresses)

ANY (any record)

CNAME (canonical name)

MX (mail exchanger record)

NS (name server record)

PTR (pointer record)

SOA (start of authority record)

SRV (service record)

TXT (text information records)

All

Not set

-a (show all information, equivalent to -v -t ANY)

Verbose mode

Not set

-v (turn on verbose mode)

~~Traceroute arguments and description~~

TRACEROUTE is the network diagnostic command. This command tracks the route packets taken from an IP network on their way to a given host. ICMP or UDP packets are used. See the command arguments below.

Host

IP or domain (required)

Fragmentation

Not set (auto)

-F (do not fragment probe packets)

ICMP

Not set (UDP probes)

-I (use ICMP echo probes)

TCP

Not set

-T (use TCP SYN probes)

Map IP

Not set (auto)

-n (do not try to map IP to hostnames)

Protocol

Not set (auto)

-4 (IPv4)

-6 (IPv6)

Port

--udp=number (UDP destination port)

~~Geoiplookup arguments and description~~

GEOIPLOOKUP lets you detect the location of a host. A preparsed WHOIS database is used for detecting the location of IP or domain. There are a lot of independent geoip databases in the Internet, so the same host can have different locations in those databases. GEOIPLOOKUP is not a built-in Linux command. The command has only one argument - host address.

Host

IP address (required)

Dig arguments and description
The DIG command is a part of BIND package, available on all linux distributives. It is used for querying Domain Name Servers (DNS) using standard operating system libraries and display answers from these DNS servers. Domain Information Groper (DIG) is useful for troubleshooting DNS issues. You can find DIG arguments below.
HostIP or domain (required)
NS server@server (optional)
TypeNot set
A (IPv4 address)
AAAA (IPv6 address)
A+AAAA (IPv4 + IPv6 addresses)
ANY (any record)
CNAME (canonical name)
MX (mail exchanger record)
NS (name server record)
PTR (pointer record)
SOA (start of authority record)
SRV (service record)
TXT (text information records)
TraceNot set
+trace (enable tracing)
+notrace (disable tracing)
TcpNot set
+tcp (use TCP when querying name servers)
+notcp (disable TCP when querying name servers)
IgnoreNot set
+ignore (ignore truncation in UDP responses instead of retrying with TCP)
+noignore (retry with TCP when UDP responses are truncated)
AA onlyNot set
+aaonly (set AA flag in the query)
+noaaonly (do not set AA flag in the query)
AD flagNot set
+adflag (set AD flag "authentic data" in the query)
+noadflag (do not set AD flag in the query)
CD flagNot set
+cdflag (set CD "checking disabled" bit in the query)
+nocdflag (do not set CD flag in the query)
Show classNot set
+cl (display the CLASS when printing the record)
+nocl (do not show the CLASS)
Show TTLNot set
+ttlid (display the TTL when printing the record)
+nottlid (do not show the TTL)
AnswerNot set
+answer (display answer section, default)
+noanswer (do not display answer section of a reply)
CommentsNot set
+comments (display comments section, default)
+nocomments (do not display comments section)
RecurseNot set
+recurse (toggle RD bit in the query, default)
+norecurse (disable recursion in the query)
ShortNot set
+short (provide a terse answer)
+noshort (print answer in verbose form, default)
CmdNot set
+cmd (print dig version as a comment, default)
+nocmd (do not print the dig version)
IdentifyNot set
+identify (show the IP address and port number of the server that provides the answer)
+noidentify (do not show the IP address and port number of the responding server, default)
StatsNot set
+stats (show statistics, default)
+nostats (do not show statistics)
AuthorityNot set
+authority (display authority section of a reply, default)
+noauthority (do not show authority section)
AdditionalNot set
+additional (display additional section of a reply, default)
+noadditional (do not show additional section)
AllNot set
+all (set all display flags)
+noall (clear all display flags)
MultilineNot set
+multiline (print records in multi-line format with comments)
+nomultiline (print records in single-line format, default)
One SOANot set
+onesoa (print only one SOA record when performing an AXFR)
+noonesoa (print both the starting and ending SOA records, default)
FailNot set
+fail (try the next server if you receive SERVFAIL)
+nofail (do not try the next server if you receive SERVFAIL, default)
Best effortNot set
+besteffort (attempt to display the contents of messages which are malformed)
+nobesteffort (do not display malformed answers, default)
DNSSECNot set
+dnssec (request DNSSEC records be sent by setting the DNSSEC OK bit "DO" in the OPT record)
+nodnssec (do not request DNSSEC records)
EDNS ID requestNot set
+nsid (include an EDNS name server ID request when sending a query)
+nonsid (do not include an EDNS name server ID request)

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