13
records
IPv4 Addresses
TTL
diligentdatasystems.com. 1200 IN A 34.213.106.51 diligentdatasystems.com. 1200 IN A 54.68.182.72
Name Servers
TTL
20m
20m
20m
20m
diligentdatasystems.com. 1200 IN NS ns1-09.azure-dns.com. diligentdatasystems.com. 1200 IN NS ns2-09.azure-dns.net. diligentdatasystems.com. 1200 IN NS ns3-09.azure-dns.org. diligentdatasystems.com. 1200 IN NS ns4-09.azure-dns.info.
Mail Servers
TTL
MX
—
100
5m
diligentdatasystems.com. 300 IN MX 100 smtp2.diligentdatasystems.com.
SOA Details
TTL
20m
SOA
Responsible
itservices.boardbooks.com
SOA
Serial
2020031104
SOA
Times
Refresh
1h
Retry
10m
Expire
7d
Minimum TTL
30m
diligentdatasystems.com. 1200 IN SOA ns1-09.azure-dns.com. itservices.boardbooks.com. 2020031104 3600 600 604800 1800
Certificate Authority Authorization
TTL
8m
8m
8m
diligentdatasystems.com. 500 IN CAA 0 issue "digicert.com" diligentdatasystems.com. 500 IN CAA 0 issue "entrust.net" diligentdatasystems.com. 500 IN CAA 0 issue "letsencrypt.org"
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.
diligentdatasystems.com. 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 |
|---|---|---|---|---|
| - Fail | all |
—
|
|
5m
diligentdatasystems.com. 300 IN TXT "v=spf1 -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).