IPv4 Addresses

TTL

Name Servers

TTL

SOA Details

TTL
SOA Primary NS
20m
SOA Responsible
hostmaster.markmonitor.com
SOA Serial
2026041302
SOA Times
Refresh 1d
Retry 1h
Expire 30d
Minimum TTL 2d

Certificate Authority Authorization

TTL

No CAA records were returned at this registrable domain name. With no CAA policy, any public certificate authority (CA) may issue TLS certificates for names under this zone unless a parent publishes CAA; add issue / issuewild / iodef records to restrict issuance.

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
20m
DMARC Subdomain Policy

Subdomain policy (sp): when set, it applies to hostnames below this domain instead of p; if omitted, subdomains inherit the organizational policy.

none quarantine reject
DMARC Percentage

pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).

100
DMARC RUA

Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.

No aggregate report URIs (RUA).
DMARC RUF

Forensic (per-failure) reports. Often omitted for privacy or volume.

No forensic report URIs (RUF).

DKIM

TTL
DKIM Selector
s2048
20m
DKIM Version
DKIM1
DKIM Selector
mail
20m
DKIM Version
DKIM1
DKIM Selector
dkim
20m
DKIM Version
DKIM1
DKIM Selector
selector2
20m
DKIM Version
DKIM1
DKIM Selector
spop2048
20m
DKIM Version
DKIM1
DKIM Selector
mandrill
20m
DKIM Version
DKIM1
DKIM Selector
k1
20m
DKIM Version
DKIM1
DKIM Selector
google001
20m
DKIM Version
DKIM1
DKIM Selector
k3
20m
DKIM Version
DKIM1
DKIM Selector
s1
20m
DKIM Version
DKIM1
DKIM Selector
default
20m
DKIM Version
DKIM1
DKIM Selector
s2
20m
DKIM Version
DKIM1
DKIM Selector
selector1
20m
DKIM Version
DKIM1
DKIM Selector
google
20m
DKIM Version
DKIM1
DKIM Selector
k2
20m
DKIM Version
DKIM1
DKIM Selector
cm
20m
DKIM Version
DKIM1
DKIM Selector
s1024
20m
DKIM Version
DKIM1
DKIM Selector
smtp
20m
DKIM Version
DKIM1
DKIM Selector
spop1024
20m
DKIM Version
DKIM1
DKIM Selector
google002
20m
DKIM Version
DKIM1
DKIM Selector
pp
20m
DKIM Version
DKIM1

SPF (Sender Policy Framework)

TTL
SPF SPFv1
Qual Mechanism Target / value Valid Details
- all
20m

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).