substack.com: IP address, DNS records and WHOIS
Live lookup data for substack.com: the IP addresses it resolves to, the DNS records it publishes, and its registration details. The data below is fetched when this page is built and refreshed daily.
At a glance
DNS records
A
| 104.18.37.200 | TTL 34 |
| 172.64.150.56 | TTL 34 |
AAAA
| 2606:4700:4401::ac40:9638 | TTL 216 |
| 2606:4700:4404::6812:25c8 | TTL 216 |
CNAME
No public records of this type are currently published.
MX
| mxa.mailgun.org | 10 |
| mxb.mailgun.org | 10 |
NS
| ali.ns.cloudflare.com |
| lee.ns.cloudflare.com |
TXT
| facebook-domain-verification=8vbxp2ntmkudc6is3h5r840c9fwo7f |
| google-site-verification=4V_X38Yf0J4VJcWFwtG38bOS1nkOWeIWJhticlMgNQE |
| google-site-verification=DAkdykID6WqQM6tT7IfSu9_uB7-qIdB039MA_C3T3eA |
| google-site-verification=FfNIQIxsRHpj3Y7E_d3N6GFqGgWDZ-sfYojqCilwtqE |
| google-site-verification=SXEl7_p4SBszcanSWwVc_3-RFky80c0-94janbeeWI4 |
| google-site-verification=vQEKLOUDfKNOQAv9W3EUMiRD6e5ibAEPhc2yCzP7big |
| tiktok-developers-site-verification=7PgqCAJ52ILLOqf2KELd8uaRfJpuzaLQ |
| tiktok-developers-site-verification=A9XRSo8lWy5CPFJ0bqI04KCpUZGAAq7p |
SOA
- Primary nameserver
- ali.ns.cloudflare.com
- Hostmaster
- dns@cloudflare.com
- Serial
- 2415781352
- Refresh
- 10000 s
- Retry
- 2400 s (40 minutes)
- Expire
- 604800 s (7 days)
- Minimum TTL
- 1800 s (30 minutes)
CAA
No public records of this type are currently published.
WHOIS registration data
No public RDAP registration record is published for this domain, so registration details cannot be shown.
FAQ
substack.com currently resolves to 104.18.37.200, 172.64.150.56, 2606:4700:4401::ac40:9638, 2606:4700:4404::6812:25c8. Large sites often publish several addresses and rotate them, so the list can differ between checks and between locations.
substack.com is served by ali.ns.cloudflare.com, lee.ns.cloudflare.com. These are the authoritative nameservers that publish its DNS records.
Run a fresh check
Records change. Run the live tools for an up-to-the-minute answer: