stumbleupon.com
StumbleUpon
stumbleupon.com is registered with MarkMonitor Inc. since November 6, 2001 (25.0 years). The registration expires on November 6, 2027. The site runs on Next.js, React, Google Analytics 4 and 3 other technologies. Its email security grade is F. Its SSL certificate is issued by Amazon and is valid for 155 more days.
- Domain age
- 25.0 yrs
- Technologies
- 6
- Email security
- F
- SSL days left
- 155
Registration
| Registrar | MarkMonitor Inc. |
|---|---|
| IANA ID | 292 |
| Registered | November 6, 2001 |
| Expires | November 6, 2027 |
| Updated | October 5, 2025 |
| Status | client delete prohibited, client transfer prohibited, client update prohibited, server delete prohibited, server transfer prohibited, server update prohibited |
| Name servers | ns-1116.awsdns-11.org, ns-1950.awsdns-51.co.uk, ns-358.awsdns-44.com, ns-521.awsdns-01.net |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 32.197.78.107 | 60 |
| A | 54.85.245.123 | 60 |
| A | 52.22.140.1 | 60 |
| MX | aspmx.l.google.com 1 | 3600 |
| MX | alt3.aspmx.l.google.com 10 | 3600 |
| MX | alt4.aspmx.l.google.com 10 | 3600 |
| MX | alt1.aspmx.l.google.com 5 | 3600 |
| MX | alt2.aspmx.l.google.com 5 | 3600 |
| NS | ns-1116.awsdns-11.org | 172800 |
| NS | ns-1950.awsdns-51.co.uk | 172800 |
| NS | ns-358.awsdns-44.com | 172800 |
| NS | ns-521.awsdns-01.net | 172800 |
| TXT | v=spf1 include:_spf.google.com ~all | 300 |
Technology stack
Analytics and advertising IDs
google_analytics:G-CZHCF49R69SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, Amazon RSA 2048 M01, Amazon |
| Expires | April 14, 2027 |
| Days remaining | 155 |
| Protocol | TLSv1.2 |
| Names | stumbleupon.com, *.stumbleupon.com |
Email security
- 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 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).
- goodSPF record found.
- goodSPF ends with ~all: servers you have not listed are marked as suspicious (soft fail).
- goodDKIM key found (selector: google).
- good5 MX record(s) found. Mail is handled by Google Workspace.
Homepage metadata
| Title | StumbleUpon |
|---|---|
| Indexable | Yes |
| Word count | 43 |
About stumbleupon.com
Who is the registrar of stumbleupon.com?
stumbleupon.com is registered with MarkMonitor Inc. (IANA ID 292).
When does stumbleupon.com expire?
The current registration of stumbleupon.com expires on November 6, 2027. It was first registered on November 6, 2001.
What technology does stumbleupon.com use?
We detected 6 technologies on stumbleupon.com, including Google Analytics 4, Google Identity Services, Next.js, React, Node.js, Nginx.
Does stumbleupon.com protect its email with SPF and DMARC?
stumbleupon.com scores 41/100 (grade F) for email security. 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. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
What are the name servers of stumbleupon.com?
stumbleupon.com uses ns-1116.awsdns-11.org, ns-1950.awsdns-51.co.uk, ns-358.awsdns-44.com, ns-521.awsdns-01.net.