14
records
IPv4 Addresses
TTL
crystal-lang.org. 60 IN A 13.226.209.26 crystal-lang.org. 60 IN A 13.226.209.79 crystal-lang.org. 60 IN A 13.226.209.86 crystal-lang.org. 60 IN A 13.226.209.95
Name Servers
TTL
20m
20m
20m
crystal-lang.org. 1200 IN NS ns-1135.awsdns-13.org. crystal-lang.org. 1200 IN NS ns-1799.awsdns-32.co.uk. crystal-lang.org. 1200 IN NS ns-289.awsdns-36.com. crystal-lang.org. 1200 IN NS ns-960.awsdns-56.net.
Mail Servers
TTL
crystal-lang.org. 1200 IN MX 10 inbound-smtp.us-east-1.amazonaws.com.
SOA Details
TTL
15m
SOA
Responsible
awsdns-hostmaster.amazon.com
SOA
Serial
1
SOA
Times
Refresh
2h
Retry
15m
Expire
14d
Minimum TTL
1d
crystal-lang.org. 900 IN SOA ns-1135.awsdns-13.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Certificate Authority Authorization
TTL
CAA
—
1m
1m
1m
crystal-lang.org. 60 IN CAA 0 iodef "mailto:[email protected]" crystal-lang.org. 60 IN CAA 0 issue "amazon.com" crystal-lang.org. 60 IN CAA 0 issue "letsencrypt.org"
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
No SPF TXT record was returned (`v=spf1` / `spf2.0/`). SPF tells receivers which hosts may send mail for this domain; without it, aligned DMARC and spoofing defenses are weaker.
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
keybase-site-verification=Cx6MDDrMyOBVHVsRqSWnEXrX8qNh9LZG4EYZv1SgiGo
1m
crystal-lang.org. 60 IN TXT "keybase-site-verification=Cx6MDDrMyOBVHVsRqSWnEXrX8qNh9LZG4EYZv1SgiGo"