28
records
IPv4 Addresses
TTL
freecodecamp.org. 300 IN A 104.26.2.33 freecodecamp.org. 300 IN A 104.26.3.33 freecodecamp.org. 300 IN A 172.67.70.149
IPv6 Addresses
TTL
freecodecamp.org. 300 IN AAAA 2606:4700:20:0:0:0:681A:221 freecodecamp.org. 300 IN AAAA 2606:4700:20:0:0:0:681A:321 freecodecamp.org. 300 IN AAAA 2606:4700:20:0:0:0:AC43:4695
Name Servers
TTL
freecodecamp.org. 1200 IN NS anna.ns.cloudflare.com. freecodecamp.org. 1200 IN NS cash.ns.cloudflare.com.
Mail Servers
TTL
5m
5m
5m
5m
5m
freecodecamp.org. 300 IN MX 1 aspmx.l.google.com. freecodecamp.org. 300 IN MX 5 alt1.aspmx.l.google.com. freecodecamp.org. 300 IN MX 5 alt2.aspmx.l.google.com. freecodecamp.org. 300 IN MX 10 alt3.aspmx.l.google.com. freecodecamp.org. 300 IN MX 10 alt4.aspmx.l.google.com.
SOA Details
TTL
20m
SOA
Responsible
dns.cloudflare.com
SOA
Serial
2407265373
SOA
Times
Refresh
2h
Retry
40m
Expire
7d
Minimum TTL
30m
freecodecamp.org. 1200 IN SOA anna.ns.cloudflare.com. dns.cloudflare.com. 2407265373 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
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
Subdomain Policy
Subdomain policy (sp): when set, it applies to hostnames below this domain instead of p; if omitted, subdomains inherit the organizational policy.
none
quarantine
reject
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
Forensic (per-failure) reports. Often omitted for privacy or volume.
No forensic report URIs (RUF).
freecodecamp.org. 300 IN DMARC v=DMARC1; p=quarantine; rua=mailto:[email protected]; sp=reject; fo=1:d:s; adkim=s;
DKIM
TTL
DKIM
Selector
google
v=DKIM1
k=rsa
5m
Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtWBGeEgFlcH8...
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtWBGeEgFlcH8qqBxh0zKQeeqGfM8cL0Q3N1CqWSq0kGvx8llR6v0zAX8/XG4adBqeZea/cAryV+zYG+OiPSZfo/eSPZqX4O0o4EEaor+KN64+BrxYEcUkJ1WwIoz+Fe4taWH5g298SO9UkL18+e5aX0Ajh5HbSOH4vEyiLS/U+13v594tiTjTO7NQ6wsopKUUKJzMhN7Xt1TZA0ocBU1he107GXVblgkt1ZkkB9QgMGBfro5K/D3Ry/QBGmdVM9cvjLaR3gBlCL01UWBjHOsYPXyQwHH0bn7ekX6gPFNUAMD50AN+94S2zV939byJQyA9n85wlZZGw3Vj1Y966XNZQIDAQAB
freecodecamp.org. 300 IN DKIM v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtWBGeEgFlcH8qqBxh0zKQeeqGfM8cL0Q3N1CqWSq0kGvx8llR6v0zAX8/XG4adBqeZea/cAryV+zYG+OiPSZfo/eSPZqX4O0o4EEaor+KN64+BrxYEcUkJ1WwIoz+Fe4taWH5g298SO9UkL18+e5aX0Ajh5HbSOH4vEyiLS/U+13v594tiTjTO7NQ6wsopKUUKJzMhN7Xt1TZA0ocBU1he107GXVblgkt1ZkkB9QgMGBfro5K/D3Ry/QBGmdVM9cvjLaR3gBlCL01UWBjHOsYPXyQwHH0bn7ekX6gPFNUAMD50AN+94S2zV939byJQyA9n85wlZZGw3Vj1Y966XNZQIDAQAB
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | mx |
—
|
|
|
| + Pass | include |
|
||
| + Pass | include |
|
||
| - Fail | all |
—
|
|
5m
freecodecamp.org. 300 IN TXT "v=spf1 mx include:_spf.google.com include:amazonses.com -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
MS=ms63208939
5m
google-site-verification=TakbUdLjWbZfk3W5EKfzCHCvN0r3O3TvCOsl6Q6-NkY
5m
google-site-verification=b4tITLzEeeZGEpvD4mGNf3khKM4fvqejQaz9SYBQP8E
5m
google-site-verification=d9ZvgQC_Lvg8J-GkpD6kHmBHCsuw8-A8BJXIwqCRL7g
5m
google-site-verification=jgKWN_Bx9-FlyACDYQkp5UT5VZqlidL0DDKaliqkN84
5m
google-site-verification=zsi_ytS9f3kFX0_IwEDRWjB9d0nb80hZdgCX9Yc-OPo
5m
have-i-been-pwned-verification=dweb_tgzo6k7eg8wn7o4fzhc021v1
5m
mongodb-site-verification=iLPVBZkbjFGe4pz4YszIe6a2KG7U0Eja
5m
freecodecamp.org. 300 IN TXT "MS=ms63208939" freecodecamp.org. 300 IN TXT "google-site-verification=TakbUdLjWbZfk3W5EKfzCHCvN0r3O3TvCOsl6Q6-NkY" freecodecamp.org. 300 IN TXT "google-site-verification=b4tITLzEeeZGEpvD4mGNf3khKM4fvqejQaz9SYBQP8E" freecodecamp.org. 300 IN TXT "google-site-verification=d9ZvgQC_Lvg8J-GkpD6kHmBHCsuw8-A8BJXIwqCRL7g" freecodecamp.org. 300 IN TXT "google-site-verification=jgKWN_Bx9-FlyACDYQkp5UT5VZqlidL0DDKaliqkN84" freecodecamp.org. 300 IN TXT "google-site-verification=zsi_ytS9f3kFX0_IwEDRWjB9d0nb80hZdgCX9Yc-OPo" freecodecamp.org. 300 IN TXT "have-i-been-pwned-verification=dweb_tgzo6k7eg8wn7o4fzhc021v1" freecodecamp.org. 300 IN TXT "mongodb-site-verification=iLPVBZkbjFGe4pz4YszIe6a2KG7U0Eja"
DNSSEC Public Keys
TTL
DNSKEY
257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==
20m
DNSKEY
256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
20m
freecodecamp.org. 1200 IN DNSKEY 257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iUzy1L53eKGQ== freecodecamp.org. 1200 IN DNSKEY 256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
DNSSEC Next Secure
TTL
NSEC
.freecodecamp.org ["TYPE65", "TYPE64", "TYPE61", "TYPE60", "TYPE59", "TYPE55", "TYPE53", "TYPE52", "DNSKEY", "NSEC", "RRSIG", "TYPE44", "TYPE37", "TYPE35", "SRV", "TYPE29", "AAAA", "TXT", "MX", "TYPE13", "SOA", "NS", "A", "CAA", "TYPE256"]
20m
freecodecamp.org. 1200 IN NSEC .freecodecamp.org ["TYPE65", "TYPE64", "TYPE61", "TYPE60", "TYPE59", "TYPE55", "TYPE53", "TYPE52", "DNSKEY", "NSEC", "RRSIG", "TYPE44", "TYPE37", "TYPE35", "SRV", "TYPE29", "AAAA", "TXT", "MX", "TYPE13", "SOA", "NS", "A", "CAA", "TYPE256"]