30
records
IPv4 Addresses
TTL
5m
5m
5m
5m
5m
developers.cloudflare.com. 300 IN A 104.16.2.189 developers.cloudflare.com. 300 IN A 104.16.3.189 developers.cloudflare.com. 300 IN A 104.16.4.189 developers.cloudflare.com. 300 IN A 104.16.5.189 developers.cloudflare.com. 300 IN A 104.16.6.189
IPv6 Addresses
TTL
5m
5m
5m
5m
5m
developers.cloudflare.com. 300 IN AAAA 2606:4700:0:0:0:0:6810:2BD developers.cloudflare.com. 300 IN AAAA 2606:4700:0:0:0:0:6810:3BD developers.cloudflare.com. 300 IN AAAA 2606:4700:0:0:0:0:6810:4BD developers.cloudflare.com. 300 IN AAAA 2606:4700:0:0:0:0:6810:5BD developers.cloudflare.com. 300 IN AAAA 2606:4700:0:0:0:0:6810:6BD
Name Servers
TTL
developers.cloudflare.com. 1200 IN NS jule.ns.cloudflare.com. developers.cloudflare.com. 1200 IN NS lars.ns.cloudflare.com.
SOA Details
TTL
20m
SOA
Responsible
dns.cloudflare.com
SOA
Serial
2412229755
SOA
Times
Refresh
2h
Retry
40m
Expire
7d
Minimum TTL
30m
developers.cloudflare.com. 1200 IN SOA jule.ns.cloudflare.com. dns.cloudflare.com. 2412229755 10000 2400 604800 1800
Certificate Authority Authorization
TTL
20m
20m
20m
20m
20m
20m
20m
20m
developers.cloudflare.com. 1200 IN CAA 0 issue "comodoca.com" developers.cloudflare.com. 1200 IN CAA 0 issue "digicert.com; cansignhttpexchanges=yes" developers.cloudflare.com. 1200 IN CAA 0 issue "letsencrypt.org" developers.cloudflare.com. 1200 IN CAA 0 issue "pki.goog; cansignhttpexchanges=yes" developers.cloudflare.com. 1200 IN CAA 0 issue "ssl.com" developers.cloudflare.com. 1200 IN CAA 0 issuewild "comodoca.com" developers.cloudflare.com. 1200 IN CAA 0 issuewild "digicert.com; cansignhttpexchanges=yes" developers.cloudflare.com. 1200 IN CAA 0 issuewild "letsencrypt.org" developers.cloudflare.com. 1200 IN CAA 0 issuewild "pki.goog; cansignhttpexchanges=yes" developers.cloudflare.com. 1200 IN CAA 0 issuewild "ssl.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
5m
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.
developers.cloudflare.com. 300 IN DMARC v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| - Fail | all |
—
|
|
5m
developers.cloudflare.com. 300 IN TXT "v=spf1 -all"
Text Content
TTL
adobe-idp-site-verification=6fa8fbb72d7bb29889c39830d60eb0309c678510fef7692ee2679400a4096349
5m
developers.cloudflare.com. 300 IN TXT "adobe-idp-site-verification=6fa8fbb72d7bb29889c39830d60eb0309c678510fef7692ee2679400a4096349"
DNSSEC Public Keys
TTL
DNSKEY
257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==
20m
DNSKEY
256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
20m
developers.cloudflare.com. 1200 IN DNSKEY 257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iUzy1L53eKGQ== developers.cloudflare.com. 1200 IN DNSKEY 256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
Delegation Signer
TTL
DS
2371 13 2 E0C0DE4278F62E5243DA2984EB6F104ED309BBDFBD0E52C1565C80567D9DAEE4
5m
developers.cloudflare.com. 300 IN DS 2371 13 2 E0C0DE4278F62E5243DA2984EB6F104ED309BBDFBD0E52C1565C80567D9DAEE4
DNSSEC Next Secure
TTL
NSEC
.developers.cloudflare.com ["TYPE65", "TYPE64", "TYPE61", "TYPE60", "TYPE59", "TYPE55", "TYPE53", "TYPE52", "DNSKEY", "NSEC", "RRSIG", "TYPE44", "TYPE37", "TYPE35", "SRV", "TYPE29", "AAAA", "TXT", "MX", "TYPE13", "PTR", "SOA", "NS", "A", "CAA", "TYPE256"]
20m
developers.cloudflare.com. 1200 IN NSEC .developers.cloudflare.com ["TYPE65", "TYPE64", "TYPE61", "TYPE60", "TYPE59", "TYPE55", "TYPE53", "TYPE52", "DNSKEY", "NSEC", "RRSIG", "TYPE44", "TYPE37", "TYPE35", "SRV", "TYPE29", "AAAA", "TXT", "MX", "TYPE13", "PTR", "SOA", "NS", "A", "CAA", "TYPE256"]