IPv4 Addresses
rupt.dev. 300 IN A 104.21.40.21 rupt.dev. 300 IN A 172.67.174.147
IPv6 Addresses
rupt.dev. 300 IN AAAA 2606:4700:3030:0:0:0:AC43:AE93 rupt.dev. 300 IN AAAA 2606:4700:3037:0:0:0:6815:2815
Name Servers
rupt.dev. 1200 IN NS colette.ns.cloudflare.com. rupt.dev. 1200 IN NS harlan.ns.cloudflare.com.
Mail Servers
rupt.dev. 300 IN MX 1 aspmx.l.google.com. rupt.dev. 300 IN MX 5 alt1.aspmx.l.google.com. rupt.dev. 300 IN MX 5 alt2.aspmx.l.google.com. rupt.dev. 300 IN MX 10 alt3.aspmx.l.google.com. rupt.dev. 300 IN MX 10 alt4.aspmx.l.google.com.
SOA Details
rupt.dev. 1200 IN SOA colette.ns.cloudflare.com. dns.cloudflare.com. 2403109742 10000 2400 604800 1800
Certificate Authority Authorization
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
Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).
pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).
100Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
Forensic (per-failure) reports. Often omitted for privacy or volume.
rupt.dev. 300 IN DMARC v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
DKIM
rupt.dev. 300 IN DKIM v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAk2BuBnLop0Ee+0aLNxUNVS7E8GHSrEOE0GYY13HJmsk7vFDquBamJ24GrhEPMQaeSebYz+Ubx2gZE7GSUQovytqjCmzgy+Tx1yVlnlwugV5axYqWvTO051rhxkKiqjhGjyU/bCy9WtJyg+V3IpL7/u+NaZHXmD4N8Zx3zxIjQaNuNBKyU46p2tcpjyKJbhAK9rYxArTwEjWvVY6st5JLRubd2RGK8H3rGf8p26C7Ojaq+2ugbatfCDhFOLmjxxjNOqnX07sUsnpAmHnx+LgoqGh2aTlHuDoRolt/wqvddnfbUpVq/6iWXTq6Dp6Gg6kSNdbSlakEM6drOunCS9j0/QIDAQAB
SPF (Sender Policy Framework)
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
|
||
| ~ Softfail | all |
—
|
|
rupt.dev. 300 IN TXT "v=spf1 include:_spf.google.com ~all"
MTA-STS
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).