11
records
IPv4 Addresses
TTL
coreinfrastructure.org. 60 IN A 3.131.150.69
Name Servers
TTL
20m
20m
20m
20m
coreinfrastructure.org. 1200 IN NS ns1.dnsimple.com. coreinfrastructure.org. 1200 IN NS ns2.dnsimple-edge.net. coreinfrastructure.org. 1200 IN NS ns3.dnsimple.com. coreinfrastructure.org. 1200 IN NS ns4.dnsimple-edge.org.
Mail Servers
TTL
20m
20m
coreinfrastructure.org. 1200 IN MX 10 mx2.forwardemail.net. coreinfrastructure.org. 1200 IN MX 10 mx1.forwardemail.net.
SOA Details
TTL
20m
SOA
Responsible
admin.dnsimple.com
SOA
Serial
1556829235
SOA
Times
Refresh
1d
Retry
2h
Expire
7d
Minimum TTL
5m
coreinfrastructure.org. 1200 IN SOA ns1.dnsimple.com. admin.dnsimple.com. 1556829235 86400 7200 604800 300
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
No DMARC TXT record was returned (expected at `_dmarc.<domain>` with `v=DMARC1`). Without DMARC you cannot publish receiver policy or standard aggregate failure reports (RUA).
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 | mx |
—
|
|
|
| + Pass | include |
|
||
| ~ Softfail | all |
—
|
|
5m
coreinfrastructure.org. 300 IN TXT "v=spf1 include:forwardemail.net mx 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
forward-email-site-verification=yJ3Mz56YYp
20m
globalsign-domain-verification=-Q7umwx2mj164XwLa0PsoUaWe2HBhta50GjggsT98f
5m
coreinfrastructure.org. 1200 IN TXT "forward-email-site-verification=yJ3Mz56YYp" coreinfrastructure.org. 300 IN TXT "globalsign-domain-verification=-Q7umwx2mj164XwLa0PsoUaWe2HBhta50GjggsT98f"