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README.md
zdnsr
Perform Bulk ‘DNS’ Queries Using ‘zdns’
Description
Provides wrapper/helper methods for executing ‘zdns’ (https://github.com/zmap/zdns) bulk queries along with utility methods to retrieve and cache ‘Public DNS’ (http://public-dns.info/) nameserver lists.
zdns
: https://github.com/zmap/zdnsPublic DNS Lists
: http://public-dns.info/
What’s Inside The Tin
The following functions are implemented:
install_zdns
: Helper to try to getzdns
installedrefresh_publc_nameservers_list
: Refresh the list of valid public nameserverszdns_exec
: Raw interface tozdns
zdns_help
: Raw interface tozdns
zdns_query
: Bulk query usingzdns
Installation
devtools::install_github("hrbrmstr/zdnsr")
Usage
library(zdnsr)
# current verison
packageVersion("zdnsr")
## [1] '0.1.0'
Example (top prefix enumeration)
c(
"www", "mail", "mx", "blog", "ns1", "ns2", "dev", "server", "email",
"cloud", "api", "support", "smtp", "app", "webmail", "test", "box",
"m", "admin", "forum", "news", "web", "mail2", "ns", "demo", "my",
"portal", "shop", "host", "cdn", "git", "vps", "mx1", "mail1",
"static", "help", "ns3", "beta", "chat", "secure", "staging", "vpn",
"apps", "server1", "ftp", "crm", "new", "wiki", "home", "info"
) -> top_common_prefixes # via Rapid7 FDNS analysis
tf <- tempfile(fileext = ".json")
zdns_query(
sprintf("%s.rstudio.com", top_common_prefixes),
query_type = "A",
num_nameservers = (length(top_common_prefixes) * 2),
output_file = tf
)
## zmap error log will be stored in /var/folders/1w/2d82v7ts3gs98tc6v772h8s40000gp/T//RtmpQLNb6f/zmap-error6f90237c7564.json
res <- jsonlite::stream_in(file(tf))
## opening file input connection.
##
Found 50 records...
Imported 50 records. Simplifying...
## closing file input connection.
unlink(tf)
found <- which(lengths(res$data$answers) > 0)
do.call(
rbind.data.frame,
lapply(found, function(idx) {
res$data$answers[[idx]]$query_name <- res$name[idx]
res$data$answers[[idx]]
})
) -> xdf
xdf <- xdf[,c("query_name", "name", "class", "ttl", "type", "answer")]
knitr::kable(xdf)
query_name | name | class | ttl | type | answer |
---|---|---|---|---|---|
wiki.rstudio.com | wiki.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
wiki.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
cloud.rstudio.com | cloud.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
cloud.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
support.rstudio.com | support.rstudio.com | IN | 2978 | CNAME | rstudioide.ssl.zendesk.com. |
support.rstudio.com | rstudioide.ssl.zendesk.com | IN | 278 | CNAME | rstudioide.zendesk.com. |
support.rstudio.com | rstudioide.zendesk.com | IN | 563 | A | 35.174.158.178 |
support.rstudio.com | rstudioide.zendesk.com | IN | 563 | A | 54.208.38.43 |
support.rstudio.com | rstudioide.zendesk.com | IN | 563 | A | 35.174.160.246 |
test.rstudio.com | test.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
test.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
vpn.rstudio.com | vpn.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
vpn.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
ns.rstudio.com | ns.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
ns.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
admin.rstudio.com | admin.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
admin.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
mail2.rstudio.com | mail2.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
mail2.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
static.rstudio.com | static.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
static.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
mx1.rstudio.com | mx1.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
mx1.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
ns3.rstudio.com | ns3.rstudio.com | IN | 59 | CNAME | rstudio.wpengine.com. |
ns3.rstudio.com | rstudio.wpengine.com | IN | 119 | A | 104.196.200.5 |
dev.rstudio.com | dev.rstudio.com | IN | 59 | CNAME | rstudio.wpengine.com. |
dev.rstudio.com | rstudio.wpengine.com | IN | 119 | A | 104.196.200.5 |
ns1.rstudio.com | ns1.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
ns1.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
www.rstudio.com | www.rstudio.com | IN | 3600 | CNAME | rstudio.wpengine.com. |
www.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
staging.rstudio.com | staging.rstudio.com | IN | 299 | CNAME | www.rstudio.com. |
staging.rstudio.com | www.rstudio.com | IN | 3599 | CNAME | rstudio.wpengine.com. |
staging.rstudio.com | rstudio.wpengine.com | IN | 119 | A | 104.196.200.5 |
news.rstudio.com | news.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
news.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
ns2.rstudio.com | ns2.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
ns2.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
email.rstudio.com | email.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
email.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
server.rstudio.com | server.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
server.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
shop.rstudio.com | shop.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
shop.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
crm.rstudio.com | crm.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
crm.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
host.rstudio.com | host.rstudio.com | IN | 59 | CNAME | rstudio.wpengine.com. |
host.rstudio.com | rstudio.wpengine.com | IN | 119 | A | 104.196.200.5 |
info.rstudio.com | info.rstudio.com | IN | 3600 | CNAME | mkto-ab020217.com. |
info.rstudio.com | mkto-ab020217.com | IN | 300 | A | 199.15.213.48 |
web.rstudio.com | web.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
web.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
portal.rstudio.com | portal.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
portal.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
mx.rstudio.com | mx.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
mx.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
mail1.rstudio.com | mail1.rstudio.com | IN | 59 | CNAME | rstudio.wpengine.com. |
mail1.rstudio.com | rstudio.wpengine.com | IN | 119 | A | 104.196.200.5 |
webmail.rstudio.com | webmail.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
webmail.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
api.rstudio.com | api.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
api.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
help.rstudio.com | help.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
help.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
secure.rstudio.com | secure.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
secure.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
new.rstudio.com | new.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
new.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
my.rstudio.com | my.rstudio.com | IN | 59 | CNAME | rstudio.wpengine.com. |
my.rstudio.com | rstudio.wpengine.com | IN | 119 | A | 104.196.200.5 |
vps.rstudio.com | vps.rstudio.com | IN | 59 | CNAME | rstudio.wpengine.com. |
vps.rstudio.com | rstudio.wpengine.com | IN | 119 | A | 104.196.200.5 |
smtp.rstudio.com | smtp.rstudio.com | IN | 59 | CNAME | rstudio.wpengine.com. |
smtp.rstudio.com | rstudio.wpengine.com | IN | 119 | A | 104.196.200.5 |
demo.rstudio.com | demo.rstudio.com | IN | 59 | CNAME | rstudio.wpengine.com. |
demo.rstudio.com | rstudio.wpengine.com | IN | 119 | A | 104.196.200.5 |
git.rstudio.com | git.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
git.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
cdn.rstudio.com | cdn.rstudio.com | IN | 59 | CNAME | rstudio.wpengine.com. |
cdn.rstudio.com | rstudio.wpengine.com | IN | 119 | A | 104.196.200.5 |
m.rstudio.com | m.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
m.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
mail.rstudio.com | mail.rstudio.com | IN | 3600 | CNAME | ghs.googlehosted.com. |
mail.rstudio.com | ghs.googlehosted.com | IN | 69 | A | 172.217.6.243 |
forum.rstudio.com | forum.rstudio.com | IN | 59 | CNAME | rstudio.wpengine.com. |
forum.rstudio.com | rstudio.wpengine.com | IN | 119 | A | 104.196.200.5 |
box.rstudio.com | box.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
box.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
home.rstudio.com | home.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
home.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
chat.rstudio.com | chat.rstudio.com | IN | 30 | CNAME | rstudio.wpengine.com. |
chat.rstudio.com | rstudio.wpengine.com | IN | 30 | A | 104.196.200.5 |
beta.rstudio.com | beta.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
beta.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
ftp.rstudio.com | ftp.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
ftp.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |
blog.rstudio.com | blog.rstudio.com | IN | 300 | CNAME | rstudio-blog.netlify.com. |
blog.rstudio.com | rstudio-blog.netlify.com | IN | 20 | A | 35.198.30.40 |
server1.rstudio.com | server1.rstudio.com | IN | 60 | CNAME | rstudio.wpengine.com. |
server1.rstudio.com | rstudio.wpengine.com | IN | 120 | A | 104.196.200.5 |