Rank #8,461Updated November 10, 2026
ntfy.sh
ntfy.sh | Send push notifications to your phone via PUT/POST
The site runs on Next.js, React, Node.js and 1 other technologies. Its email security grade is F. Its SSL certificate is issued by Let's Encrypt and is valid for 73 more days.
- Domain age
- —
- Technologies
- 4
- Email security
- F
- SSL days left
- 73
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 159.203.148.75 | 888 |
| MX | mx1.ntfy.sh 10 | 1800 |
| MX | mx2.ntfy.sh 20 | 1800 |
| NS | ns-1406.awsdns-47.org | 172800 |
| NS | ns-1760.awsdns-28.co.uk | 172800 |
| NS | ns-221.awsdns-27.com | 172800 |
| NS | ns-688.awsdns-22.net | 172800 |
| TXT | android-cert-signature-sha256=6e145d7ae685eff75468e5067e03a6c3645453343e4e181dac8b6b17ff67489d | 10800 |
| TXT | apt-key-fingerprint=55ba774a6f5ee67431e4b6b7cfdb962d4f1ec4af | 10800 |
| AAAA | 2604:a880:800:14:0:1:73c0:2000 | 192 |
Technology stack
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, YE1, Let's Encrypt |
| Expires | January 23, 2027 |
| Days remaining | 73 |
| Protocol | TLSv1.3 |
| Names | ntfy.sh |
Email security
FScore 5/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- badNo SPF record. Anyone can send email that claims to come from ntfy.sh.
- badNo DMARC record. Receivers have no instructions for mail that fails SPF and DKIM, and you get no reports about who sends as your domain.
- warnNo DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess.
- warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
- warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
- good2 MX record(s) found.
Homepage metadata
| Title | ntfy.sh | Send push notifications to your phone via PUT/POST |
|---|---|
| Language | en |
| Indexable | Yes |
| Word count | 2195 |
About ntfy.sh
What technology does ntfy.sh use?
We detected 4 technologies on ntfy.sh, including Next.js, React, Node.js, Nginx.
Does ntfy.sh protect its email with SPF and DMARC?
ntfy.sh scores 5/100 (grade F) for email security. No SPF record. Anyone can send email that claims to come from ntfy.sh. No DMARC record. Receivers have no instructions for mail that fails SPF and DKIM, and you get no reports about who sends as your domain.
What are the name servers of ntfy.sh?
ntfy.sh uses ns-1406.awsdns-47.org, ns-1760.awsdns-28.co.uk, ns-221.awsdns-27.com, ns-688.awsdns-22.net.