10
records
IPv4 Addresses
TTL
ctftime.org. 300 IN A 104.21.96.2 ctftime.org. 300 IN A 172.67.171.235
IPv6 Addresses
TTL
ctftime.org. 300 IN AAAA 2606:4700:3034:0:0:0:6815:6002 ctftime.org. 300 IN AAAA 2606:4700:3035:0:0:0:AC43:ABEB
Name Servers
TTL
ctftime.org. 1200 IN NS june.ns.cloudflare.com. ctftime.org. 1200 IN NS rick.ns.cloudflare.com.
SOA Details
TTL
20m
SOA
Responsible
dns.cloudflare.com
SOA
Serial
2405857626
SOA
Times
Refresh
2h
Retry
40m
Expire
7d
Minimum TTL
30m
ctftime.org. 1200 IN SOA june.ns.cloudflare.com. dns.cloudflare.com. 2405857626 10000 2400 604800 1800
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
DKIM
Selector
mail
v=DKIM1
k=rsa
5m
Public Key
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCwAuUPCs7wOPI0Wvtd...
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCwAuUPCs7wOPI0WvtdShvB8E0QD8Gj08ItQTczBQm0+YOU7ZA0Eipp2UeGVzt00NIZjH/UqlIZ2LBkbc5sQ6rltB4AFR4bn2FHJxE5/scbSJzoOrXoPAbrsqo6WGMPsKsJhdFLQBmUrN4dxpKnYGYZ59Njrjeiuid+F5TgwwbJPwIDAQAB
ctftime.org. 300 IN DKIM v=DKIM1; k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCwAuUPCs7wOPI0WvtdShvB8E0QD8Gj08ItQTczBQm0+YOU7ZA0Eipp2UeGVzt00NIZjH/UqlIZ2LBkbc5sQ6rltB4AFR4bn2FHJxE5/scbSJzoOrXoPAbrsqo6WGMPsKsJhdFLQBmUrN4dxpKnYGYZ59Njrjeiuid+F5TgwwbJPwIDAQAB
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| Modifier | redirect |
|
5m
ctftime.org. 300 IN TXT "v=spf1 redirect=_spf.yandex.net"
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).