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Copy pathMailRecords.py
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MailRecords.py
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#################################
# Authored By : #
# Nakul Ratti #
#################################
import dns.resolver
import re
import csv
import argparse
result={"MX":[],"DMARC":"","DKIM":"","SPF":""}
dkim_sw=1
def mx(domain):
global dkim_sw
dkim_sw=1
l=[]
d = domain
try:
answers = dns.resolver.resolve(d,'MX')
print("[-] MX Record :",end=" ")
for i in answers:
tmp=str(i)
tmp = tmp.split(" ")[1]
print('"{0}"'.format(tmp[:-1]),end=" ")
l.append(tmp)
result["MX"]=l
print()
except:
print("[!] MX Server does not exist")
result["MX"]="None"
dkim_sw=0
def dmarc(domain):
d = domain
pat=re.compile(r'^\"v=DMARC\w*')
try:
answers = dns.resolver.resolve("_dmarc."+d,'TXT')
for i in answers:
if(len(pat.findall(str(i)))>=1):
print("[-] DMARC Record :",end=" ")
print(str(i))
result["DMARC"]=str(i)
except:
print("\n[!] DMARC Record Not Implemented!")
result["DMARC"]="None"
def dkim(domain):
if(dkim_sw==1):
d=domain
#Selector list taken from online github scripts
s=["selector1","selector2","mailgun","dkim","default","google","zix","google","k1","mxvault","everlytickey1", 'mail', 'class', 'smtpapi', 'dkim', 'bfi', 'spop', 'spop1024', 'beta', 'domk', 'dk', 'ei', 'smtpout', 'sm', 'authsmtp', 'alpha', 'mesmtp', 'cm', 'prod', 'pm', 'gamma', 'dkrnt', 'dkimrnt', 'private', 'gmmailerd', 'pmta', 'x', 'selector', 'qcdkim', 'postfix', 'mikd', 'main', 'm', 'dk20050327', 'delta', 'yibm', 'wesmail', 'test', 'stigmate', 'squaremail', 'sitemail', 'sasl', 'sailthru', 'responsys', 'publickey', 'proddkim', 'mail-in', 'key', 'ED-DKIM', 'ebmailerd', 'Corporate', 'care', '0xdeadbeef', 'yousendit', 'www', 'tilprivate', 'testdk', 'snowcrash', 'smtpcomcustomers', 'smtpauth', 'smtp', 'sl', 'sharedpool', 'ses', 'server', 'scooby', 'scarlet', 'safe', 's', 'pvt', 'primus', 'primary', 'postfix.private', 'outbound', 'originating', 'one', 'neomailout', 'mx', 'msa', 'monkey', 'mkt', 'mimi', 'mdaemon', 'mailrelay', 'mailjet', 'mail-dkim', 'mailo', 'mandrill', 'lists', 'iweb', 'iport', 'id', 'hubris', 'googleapps', 'global', 'gears', 'exim4u', 'exim', 'et', 'dyn', 'duh', 'dksel', 'dkimmail', 'corp', 'centralsmtp', 'ca', 'bfi', 'auth', 'allselector', 'zendesk1']
ans=1
i=0
while ans<=1 and i<=len(s):
try:
answers=dns.resolver.resolve(s[i]+"._domainkey."+d,"TXT")
for data in answers:
print("\n\n[-] DKIM Signature Verified using selector "+ s[i])
print("[-] DKIM Value: ",end=" ")
print(str(data))
result["DKIM"]=str(data)
ans=2
i=i+1
except:
i=i+1
#print("Failed DKIM for selector : "+s[i])
if(ans==1):
print("\n[!] Cannot verify DKIM Record using available selectors")
result["DKIM"]="Unverified"
else:
result["DKIM"]="Not Required"
print("\n[-] DKIM not required!!")
def spf(domain):
d = domain
pat=re.compile(r'^\"v=spf1\w*')
try:
answers = dns.resolver.resolve(d,'TXT')
print("\n[-] SPF Record :",end=" ")
for i in answers:
if(len(pat.findall(str(i)))>=1):
print(str(i),end=" ")
result["SPF"]=str(i)
print()
except:
print("[!] No SPF policy exists")
result["SPF"]="None"
def write_file(test_domain):
global file_name
f=open(file_name,"a",newline='')
wr=csv.writer(f)
wr.writerow([test_domain,result["MX"],result["SPF"],result["DKIM"],result["DMARC"]])
f.close()
def allcheck(d,f):
print("\n\n[-] Domain: "+d)
mx(d)
dmarc(d)
spf(d)
dkim(d)
print("")
print("-"*120)
if(f==1):
write_file(d)
def mk_file():
global file_name
f=open(file_name,"w",newline='')
wr=csv.writer(f)
wr.writerow(["Domain","MX","SPF","DKIM","DMARC"])
f.close()
if __name__ == "__main__":
print()
parser=argparse.ArgumentParser(description="Program to check for MX | SPF | DMARC and DKIM records")
group=parser.add_mutually_exclusive_group(required=True)
group.add_argument("-d",help="Single domain value(domain.tld)")
group.add_argument("-D",help="Line separated domain file")
parser.add_argument("-o",help="Output file",required=False)
args=parser.parse_args()
global file_name
file_name=args.o
if(args.D != None):
f=open(args.D,"r") #path to Domain.txt File
domains=f.read().splitlines()
if(args.o!=None):
mk_file()
for i in domains:
allcheck(i,1)
print("\n\n[-] File written successfully!!\n")
else:
for i in domains:
allcheck(i,0)
else:
if(args.o!=None):
mk_file()
allcheck(args.d,1)
print("\n\n[-] File written successfully!!\n")
else:
allcheck(args.d,0)