IPv4 Addresses
postcodes.io. 300 IN A 104.26.12.209 postcodes.io. 300 IN A 104.26.13.209 postcodes.io. 300 IN A 172.67.71.82
IPv6 Addresses
postcodes.io. 300 IN AAAA 2606:4700:20:0:0:0:681A:CD1 postcodes.io. 300 IN AAAA 2606:4700:20:0:0:0:681A:DD1 postcodes.io. 300 IN AAAA 2606:4700:20:0:0:0:AC43:4752
Name Servers
postcodes.io. 1200 IN NS nia.ns.cloudflare.com. postcodes.io. 1200 IN NS wesley.ns.cloudflare.com.
Mail Servers
postcodes.io. 300 IN MX 10 aspmx.l.google.com. postcodes.io. 300 IN MX 20 alt1.aspmx.l.google.com. postcodes.io. 300 IN MX 20 alt2.aspmx.l.google.com. postcodes.io. 300 IN MX 30 aspmx2.googlemail.com. postcodes.io. 300 IN MX 30 aspmx3.googlemail.com.
SOA Details
postcodes.io. 1200 IN SOA nia.ns.cloudflare.com. dns.cloudflare.com. 2399744114 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
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
No DKIM TXT with `v=DKIM1` was returned for the selector names we probe automatically.
SPF (Sender Policy Framework)
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
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
postcodes.io. 300 IN TXT "ca3-74030e0bd88e4748ad23aa03bfcfb783"