IPv4 Addresses

TTL

Name Servers

TTL

Mail Servers

TTL

SOA Details

TTL
SOA Primary NS
20m
SOA Responsible
hostmaster.mtroyal.ca
SOA Serial
2025072393
SOA Times
Refresh 8h
Retry 2h
Expire 7d
Minimum TTL 2h

Certificate Authority Authorization

TTL

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.

DMARC RUF

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

DKIM

TTL
DKIM Selector mandrill
v=DKIM1 k=rsa
20m
Public Key
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrLHiExVd55zd/IQ/J...
DKIM Selector selector1
v=DKIM1 k=rsa
20m
Public Key
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC9IZYbMoTvXfsNjotC...
DKIM Selector google
v=DKIM1 k=rsa
20m
Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqU27sw2LHuT+...

SPF (Sender Policy Framework)

TTL
SPF SPFv1
Qualifier Mechanism Target / value Valid Details
Modifier redirect
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).

Text Content

TTL
adobe-idp-site-verification=4f94ae03daf278eab90f953bc621ad3cc8ba43cd257ec5fc34aa06c77e1b849a
20m
apple-domain-verification=swW6xxvz3tktXbF6
20m
cisco-ci-domain-verification=73392a4312fcb46e738ab8ec1ef8985dcc5f4d24d6f393e61d822b96f1c05e40
20m
duo_sso_verification=ygcfGy1zYfCJXt0PUgHMWajyWfUBI22mJbf9iu7ShxekZA3loiUehtT8F7dLfYTv
20m
facebook-domain-verification=1xbxhw7u1gz8vozless6nem0krfbiu
20m
google-site-verification=ovigpJtcJVKucRn7M7TVcr3NJuQOkGVnGQ2D4XAQwao
20m
TXT
_891i9dr7ft0eodl3trg0o6j088bkl20
20m
TXT
_t3shfp544d6kimaqoq7tj0t6i19067t
20m
TXT
_x4wrs2ub5upa0oh54d0kl2e9m6v1l21
20m
TXT
bcn=6E4E047A-DF53-11EF-A507-E4712013DDE9
20m