16
records
IPv4 Addresses
TTL
nessus.org. 300 IN A 54.159.189.155
Name Servers
TTL
20m
20m
20m
nessus.org. 1200 IN NS ns-1222.awsdns-24.org. nessus.org. 1200 IN NS ns-1783.awsdns-30.co.uk. nessus.org. 1200 IN NS ns-383.awsdns-47.com. nessus.org. 1200 IN NS ns-733.awsdns-27.net.
Mail Servers
TTL
10m
10m
nessus.org. 600 IN MX 10 us-smtp-inbound-1.mimecast.com. nessus.org. 600 IN MX 10 us-smtp-inbound-2.mimecast.com.
SOA Details
TTL
15m
SOA
Responsible
awsdns-hostmaster.amazon.com
SOA
Serial
1
SOA
Times
Refresh
2h
Retry
15m
Expire
14d
Minimum TTL
1d
nessus.org. 900 IN SOA ns-1222.awsdns-24.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Certificate Authority Authorization
TTL
5m
5m
5m
5m
5m
5m
nessus.org. 300 IN CAA 0 issue "amazon.com" nessus.org. 300 IN CAA 0 issue "digicert.com" nessus.org. 300 IN CAA 0 issue "pki.goog; cansignhttpexchanges=yes" nessus.org. 300 IN CAA 0 issuewild "amazon.com" nessus.org. 300 IN CAA 0 issuewild "digicert.com" nessus.org. 300 IN CAA 0 issuewild "pki.goog; cansignhttpexchanges=yes"
DMARC
TTL
DMARC
Policy
Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).
none
quarantine
reject
5m
DMARC
Percentage
pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).
100
DMARC
RUA
mailto:[email protected]
Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
DMARC
RUF
mailto:[email protected]
Forensic (per-failure) reports. Often omitted for privacy or volume.
nessus.org. 300 IN DMARC v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
DKIM
TTL
No DKIM TXT with `v=DKIM1` was returned for the selector names we probe automatically.
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
|
||
| + Pass | include |
|
||
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| ~ Softfail |
—
|
|
||
| + Pass | all |
—
|
|
SPF issues
- Unknown or unsupported mechanism:
5m
nessus.org. 300 IN TXT "v=spf1 include:us._netblocks.mimecast.com include:_spf.google.com ip4:4.34.1.160/27 ip4:4.59.136.192/26 ip4:4.79.179.64/27 ip4:63.148.88.0/24 ip4:50.31.149.64/26 ~ all"
MTA-STS
TTL
This hostname does not publish an MTA-STS policy (no v=STSv1 TXT at _mta-sts.<name> and/or no policy at https://mta-sts.<name>/.well-known/mta-sts.txt).