IPv4 Addresses

TTL

Name Servers

TTL

Mail Servers

TTL
20m
20m
20m
20m

SOA Details

TTL
SOA Primary NS
20m
SOA Responsible
noc.mayo.edu
SOA Serial
2808
SOA Times
Refresh 3h
Retry 1h
Expire 30d
Minimum TTL 15m

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.

DMARC RUF

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

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 mx
+ Pass include
+ Pass include
- Fail 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).

Text Content

TTL
apple-domain-verification=5FmDAtv2LsDzpMQJbHcPQadpnY8p1YJn5I5oM64bP_k
20m
apple-domain-verification=tB6bZOjVnxrGsvNAUCrbvu8w13vf8gisqEuRLcHvBHY
20m
facebook-domain-verification=hb879ie9x7og44v8xzca5ea8aywdbn
20m
fastly-domain-delegation-b7wfficndvihh4xc7g4z-782253-2024-06-25
20m
google-site-verification=4c_u2Bkm2Ukeurbn5E8KNOMWB8mZ13akrsKP4Pf9MLY
20m
google-site-verification=6vNtdz7ZLqfEYDC2BP1hJKrMY_7QtttXQiTykug1hYA
20m
google-site-verification=ICU8hJAwq3J2ACTSaBwdom6ULZp-485-2jcBAe3MdHY
20m
google-site-verification=JKKcK-DB3LxE-lKs2pZjLfa9o--85ahsbeOwD-LDNdY
20m
google-site-verification=RTxl6bpOvfdYSWz8OvWzgQBH7z8MU19_g8HIm0_FvmM
20m
google-site-verification=c_nY9XkweOjwanwbo_17mAeu3bcE4YM5ow3YLyr2F_Q
20m
google-site-verification=rSQpDFkAgTB3fF4YoIkO1jSJOs7JOlG8CZMzuQJNdxs
20m
TXT
_uz5g1k3wp3my53wj46cfl46g6oxkp54
20m
TXT
ncy863bz54x4hbfx0kxpzms73067ls2p
20m