33
records
IPv6 Addresses
TTL
5m
5m
washu.edu. 300 IN AAAA 2620:12A:8000:0:0:0:0:3 washu.edu. 300 IN AAAA 2620:12A:8001:0:0:0:0:3
Name Servers
TTL
NS
—
10m
NS
—
10m
NS
—
10m
NS
—
10m
NS
—
10m
washu.edu. 600 IN NS ns00.ip.wustl.edu. washu.edu. 600 IN NS ns01.ip.wustl.edu. washu.edu. 600 IN NS ns02.ip.wustl.edu. washu.edu. 600 IN NS ns03.ip.wustl.edu. washu.edu. 600 IN NS ns04.ip.wustl.edu.
Mail Servers
TTL
washu.edu. 600 IN MX 10 washu-edu.mail.protection.outlook.com.
SOA Details
TTL
10m
SOA
Responsible
noc.wustl.edu
SOA
Serial
30277
SOA
Times
Refresh
3h
Retry
1h
Expire
28d
Minimum TTL
15m
washu.edu. 600 IN SOA ns00.ip.wustl.edu. noc.wustl.edu. 30277 10800 3600 2419200 900
Certificate Authority Authorization
TTL
9m
9m
9m
9m
9m
CAA
—
9m
9m
9m
9m
9m
9m
9m
9m
9m
CAA
—
9m
9m
9m
9m
washu.edu. 599 IN CAA 0 issue "amazon.com" washu.edu. 599 IN CAA 0 issue "amazonaws.com" washu.edu. 599 IN CAA 0 issue "amazontrust.com" washu.edu. 599 IN CAA 0 issue "awstrust.com" washu.edu. 599 IN CAA 0 issue "digicert.com" washu.edu. 599 IN CAA 0 issue "emsign.com" washu.edu. 599 IN CAA 0 issue "letsencrypt.org" washu.edu. 599 IN CAA 0 issue "pki.goog; cansignhttpexchanges=yes" washu.edu. 599 IN CAA 0 issue "sectigo.com" washu.edu. 599 IN CAA 0 issuewild "amazon.com" washu.edu. 599 IN CAA 0 issuewild "amazonaws.com" washu.edu. 599 IN CAA 0 issuewild "amazontrust.com" washu.edu. 599 IN CAA 0 issuewild "awstrust.com" washu.edu. 599 IN CAA 0 issuewild "digicert.com" washu.edu. 599 IN CAA 0 issuewild "emsign.com" washu.edu. 599 IN CAA 0 issuewild "letsencrypt.org" washu.edu. 599 IN CAA 0 issuewild "pki.goog; cansignhttpexchanges=yes" washu.edu. 599 IN CAA 0 issuewild "sectigo.com"
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
10m
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.
washu.edu. 600 IN DMARC v=DMARC1;p=quarantine;pct=100;fo=1;rua=mailto:[email protected];ruf=mailto:[email protected];
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 |
|
||
| - Fail | all |
—
|
|
10m
washu.edu. 600 IN TXT "v=spf1 include:spf.protection.outlook.com include:mailgun.org -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).
Text Content
TTL
MS=ms87679064
10m
apple-domain-verification=avI5WwVJnvFFxIFE
10m
TXT
—
AE0583BA20BF9B0101899C0C621599F5
10m
washu.edu. 600 IN TXT "MS=ms87679064" washu.edu. 600 IN TXT "apple-domain-verification=avI5WwVJnvFFxIFE" washu.edu. 600 IN TXT "AE0583BA20BF9B0101899C0C621599F5"