matrix.org
The domain matrix.org answers at IP address 172.66.135.3. The domain DNS is managed by Cloudflare, which decides where each subdomain points. Mail for matrix.org goes through 5 servers; the highest priority one is aspmx.l.google.com. It also publishes 6 TXT records, used to verify domain ownership with external services and to configure mail security through SPF, DKIM and DMARC.
A A records
- 172.66.135.3 300s
- 172.66.139.239 300s
AAAA AAAA records
MX MX records
- 1 aspmx.l.google.com 300s
- 5 alt1.aspmx.l.google.com 300s
- 5 alt2.aspmx.l.google.com 300s
- 10 alt4.aspmx.l.google.com 300s
- 10 alt3.aspmx.l.google.com 300s
NS NS records
- laura.ns.cloudflare.com 21600s
- derek.ns.cloudflare.com 21600s
TXT TXT records
- google-site-verification=YHOeBO5suOmGyGWX9dhGZEv2cUW5ggwJecams7zaPvg 300s
- v=spf1 mx include:mail.zendesk.com include:amazonses.com include:_spf.google.com ip4:94.237.52.96 ip6:2a04:3541:1000:500:6866:a4ff:fe4c:7cce -all 300s
- google-site-verification=WtVGAosO4JrjN_QGtENIbAEMcy5Dk7t6hcC4yQ5KC7A 300s
- google-site-verification=EBNpQSVGNJCUkEzbk2vt2BLvvRHoIlgp4C48fBlZyLQ 300s
- google-site-verification=J8_DjdsqBAPelUR1VXSV4jj4hX_ZfnWae_khwjr55wY 300s
- google-site-verification=8RMxuwfmm-wPif3Tvs3hWOlsoMgVXHT-mpHMTepW27E 300s
SOA SOA records
- derek.ns.cloudflare.com 1800s
What each record means
- A and AAAA: the server IP address, in IPv4 and IPv6.
- MX: the servers that receive the domain mail. The number is the priority; the lowest is tried first.
- NS: the name servers, which have the final say over the domain DNS.
- TXT: free text. Mostly used for SPF, DKIM and DMARC, and to verify ownership with third parties.
- TTL: how many seconds the record may be cached before asking again.
Checked 3 hours ago.