A Python module and command line parser for SPF and DMARC records
Project description
A Python module and command line utility for validating SPF and DMARC DNS records
usage: checkdmarc [-h] [-d] [-f FORMAT] [-o OUTPUT]
[-n NAMESERVER [NAMESERVER ...]] [-t TIMEOUT] [-v]
[-w WAIT]
domain [domain ...]
Validates and parses SPF amd DMARC DNS records
positional arguments:
domain one or ore domains, or a single path to a file
containing a list of domains
optional arguments:
-h, --help show this help message and exit
-d, --descriptions include descriptions of DMARC tags in the JSON output
-f FORMAT, --format FORMAT
specify JSON or CSV output format
-o OUTPUT, --output OUTPUT
output to a file path rather than printing to the
screen
-n NAMESERVER [NAMESERVER ...], --nameserver NAMESERVER [NAMESERVER ...]
nameservers to query
-t TIMEOUT, --timeout TIMEOUT
number of seconds to wait for an answer from DNS
(default 6.0)
-v, --version show program's version number and exit
-w WAIT, --wait WAIT number os seconds to wait between processing domains
(default 0.0)
$ checkdmarc fbi.gov{
"domain": "accenture.com",
"base_domain": "accenture.com",
"mx": {
"hosts": [
{
"preference": 10,
"hostname": "mx0a-001dcc01.pphosted.com",
"addresses": [
"148.163.157.10"
]
},
{
"preference": 10,
"hostname": "mx0b-001dcc01.pphosted.com",
"addresses": [
"148.163.159.10"
]
}
],
"warnings": []
},
"spf": {
"record": "v=spf1 mx ip4:170.252.46.0/28 ip4:170.252.248.64/27 ip4:170.252.43.192/26 ip4:170.252.38.64/26 ip4:67.231.157.136 ip4:67.231.149.140 ip4:204.90.21.128 ip4:204.90.21.132 ip4:204.90.21.133 ip4:204.90.21.134 ip4:96.65.150.125 ip4:67.192.21.185 ip4:91.209.134.59 ip4:91.209.134.60 ip4:194.224.177.201 ip4:217.130.124.201 ip4:207.254.213.9 ip4:216.130.131.68 ip4:199.255.204.5 ip4:192.104.67.6 ip4:192.104.67.3 ip4:216.244.121.94 ip4:64.21.54.41 include:spf.protection.outlook.com -all",
"valid": true,
"dns_lookups": 4,
"warnings": [],
"parsed": {
"pass": [
{
"value": "mx0a-001dcc01.pphosted.com",
"mechanism": "mx"
},
{
"value": "mx0b-001dcc01.pphosted.com",
"mechanism": "mx"
},
{
"value": "170.252.46.0/28",
"mechanism": "ip4"
},
{
"value": "170.252.248.64/27",
"mechanism": "ip4"
},
{
"value": "170.252.43.192/26",
"mechanism": "ip4"
},
{
"value": "170.252.38.64/26",
"mechanism": "ip4"
},
{
"value": "67.231.157.136",
"mechanism": "ip4"
},
{
"value": "67.231.149.140",
"mechanism": "ip4"
},
{
"value": "204.90.21.128",
"mechanism": "ip4"
},
{
"value": "204.90.21.132",
"mechanism": "ip4"
},
{
"value": "204.90.21.133",
"mechanism": "ip4"
},
{
"value": "204.90.21.134",
"mechanism": "ip4"
},
{
"value": "96.65.150.125",
"mechanism": "ip4"
},
{
"value": "67.192.21.185",
"mechanism": "ip4"
},
{
"value": "91.209.134.59",
"mechanism": "ip4"
},
{
"value": "91.209.134.60",
"mechanism": "ip4"
},
{
"value": "194.224.177.201",
"mechanism": "ip4"
},
{
"value": "217.130.124.201",
"mechanism": "ip4"
},
{
"value": "207.254.213.9",
"mechanism": "ip4"
},
{
"value": "216.130.131.68",
"mechanism": "ip4"
},
{
"value": "199.255.204.5",
"mechanism": "ip4"
},
{
"value": "192.104.67.6",
"mechanism": "ip4"
},
{
"value": "192.104.67.3",
"mechanism": "ip4"
},
{
"value": "216.244.121.94",
"mechanism": "ip4"
},
{
"value": "64.21.54.41",
"mechanism": "ip4"
}
],
"neutral": [],
"softfail": [],
"fail": [],
"include": [
{
"domain": "spf.protection.outlook.com",
"record": "v=spf1 ip4:207.46.100.0/24 ip4:207.46.163.0/24 ip4:65.55.169.0/24 ip4:157.56.110.0/23 ip4:157.55.234.0/24 ip4:213.199.154.0/24 ip4:213.199.180.128/26 include:spfa.protection.outlook.com -all",
"dns_lookups": 2,
"parsed": {
"pass": [
{
"value": "207.46.100.0/24",
"mechanism": "ip4"
},
{
"value": "207.46.163.0/24",
"mechanism": "ip4"
},
{
"value": "65.55.169.0/24",
"mechanism": "ip4"
},
{
"value": "157.56.110.0/23",
"mechanism": "ip4"
},
{
"value": "157.55.234.0/24",
"mechanism": "ip4"
},
{
"value": "213.199.154.0/24",
"mechanism": "ip4"
},
{
"value": "213.199.180.128/26",
"mechanism": "ip4"
}
],
"neutral": [],
"softfail": [],
"fail": [],
"include": [
{
"domain": "spfa.protection.outlook.com",
"record": "v=spf1 ip4:157.56.112.0/24 ip4:207.46.51.64/26 ip4:64.4.22.64/26 ip4:40.92.0.0/14 ip4:40.107.0.0/17 ip4:40.107.128.0/17 ip4:134.170.140.0/24 include:spfb.protection.outlook.com ip6:2001:489a:2202::/48 -all",
"dns_lookups": 1,
"parsed": {
"pass": [
{
"value": "157.56.112.0/24",
"mechanism": "ip4"
},
{
"value": "207.46.51.64/26",
"mechanism": "ip4"
},
{
"value": "64.4.22.64/26",
"mechanism": "ip4"
},
{
"value": "40.92.0.0/14",
"mechanism": "ip4"
},
{
"value": "40.107.0.0/17",
"mechanism": "ip4"
},
{
"value": "40.107.128.0/17",
"mechanism": "ip4"
},
{
"value": "134.170.140.0/24",
"mechanism": "ip4"
},
{
"value": "2001:489a:2202::/48",
"mechanism": "ip6"
}
],
"neutral": [],
"softfail": [],
"fail": [],
"include": [
{
"domain": "spfb.protection.outlook.com",
"record": "v=spf1 ip6:2a01:111:f400::/48 ip4:23.103.128.0/19 ip4:23.103.198.0/23 ip4:65.55.88.0/24 ip4:104.47.0.0/17 ip4:23.103.200.0/21 ip4:23.103.208.0/21 ip4:23.103.191.0/24 ip4:216.32.180.0/23 ip4:94.245.120.64/26 -all",
"dns_lookups": 0,
"parsed": {
"pass": [
{
"value": "2a01:111:f400::/48",
"mechanism": "ip6"
},
{
"value": "23.103.128.0/19",
"mechanism": "ip4"
},
{
"value": "23.103.198.0/23",
"mechanism": "ip4"
},
{
"value": "65.55.88.0/24",
"mechanism": "ip4"
},
{
"value": "104.47.0.0/17",
"mechanism": "ip4"
},
{
"value": "23.103.200.0/21",
"mechanism": "ip4"
},
{
"value": "23.103.208.0/21",
"mechanism": "ip4"
},
{
"value": "23.103.191.0/24",
"mechanism": "ip4"
},
{
"value": "216.32.180.0/23",
"mechanism": "ip4"
},
{
"value": "94.245.120.64/26",
"mechanism": "ip4"
}
],
"neutral": [],
"softfail": [],
"fail": [],
"include": [],
"redirect": null,
"exp": null,
"all": "fail"
},
"warnings": []
}
],
"redirect": null,
"exp": null,
"all": "fail"
},
"warnings": []
}
],
"redirect": null,
"exp": null,
"all": "fail"
},
"warnings": []
}
],
"redirect": null,
"exp": null,
"all": "fail"
}
},
"dmarc": {
"record": "v=DMARC1;p=none;fo=1;rua=mailto:dmarc_rua@emaildefense.proofpoint.com;ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com",
"valid": true,
"location": "accenture.com",
"tags": {
"v": {
"value": "DMARC1",
"explicit": true
},
"p": {
"value": "none",
"explicit": true
},
"fo": {
"value": [
"1"
],
"explicit": true
},
"rua": {
"value": [
{
"scheme": "mailto",
"address": "dmarc_rua@emaildefense.proofpoint.com",
"size_limit": null
}
],
"explicit": true
},
"ruf": {
"value": [
{
"scheme": "mailto",
"address": "dmarc_ruf@emaildefense.proofpoint.com",
"size_limit": null
}
],
"explicit": true
},
"adkim": {
"value": "r",
"explicit": false
},
"aspf": {
"value": "r",
"explicit": false
},
"pct": {
"value": 100,
"explicit": false
},
"rf": {
"value": [
"afrf"
],
"explicit": false
},
"ri": {
"value": 86400,
"explicit": false
},
"sp": {
"value": "none",
"explicit": false
}
},
"warnings": []
}
}Installation
checkdmarc requires Python 3.
On Debian or Ubuntu systems, run:
$ sudo apt-get install python3-pipPython 3 installers for Windows and macOS can be found at https://www.python.org/downloads/
To install or upgrade to the latest stable release of checkdmarc on macOS or Linux, run
$ sudo -H pip3 install -U checkdmarcOr, install the latest development release directly from GitHub:
$ sudo -H pip3 install -U git+https://github.com/domainaware/checkdmarc.gitDocumentation
Bug reports
Please report bugs on the GitHub issue tracker
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