Rank #461Updated November 10, 2026
stackexchange.com
stackexchange.com is registered with CSC Corporate Domains, Inc. since June 12, 2009 (17.4 years). The registration expires on June 12, 2027. Its email security grade is B. Its SSL certificate is issued by Let's Encrypt and is valid for 63 more days.
- Domain age
- 17.4 yrs
- Technologies
- —
- Email security
- B
- SSL days left
- 63
Registration
| Registrar | CSC Corporate Domains, Inc. |
|---|---|
| IANA ID | 299 |
| Registered | June 12, 2009 |
| Expires | June 12, 2027 |
| Updated | June 8, 2026 |
| Status | client transfer prohibited |
| Name servers | damian.ns.cloudflare.com, sureena.ns.cloudflare.com |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 198.252.206.1 | 74 |
| MX | aspmx.l.google.com 1 | 300 |
| MX | alt3.aspmx.l.google.com 10 | 300 |
| MX | alt4.aspmx.l.google.com 10 | 300 |
| MX | alt1.aspmx.l.google.com 5 | 300 |
| MX | alt2.aspmx.l.google.com 5 | 300 |
| NS | damian.ns.cloudflare.com | 86400 |
| NS | sureena.ns.cloudflare.com | 86400 |
| CAA | issue 0 comodoca.com | 300 |
| CAA | issue 0 digicert.com; cansignhttpexchanges=yes | 300 |
| CAA | issue 0 letsencrypt.org | 300 |
| CAA | issue 0 pki.goog; cansignhttpexchanges=yes | 300 |
| CAA | issue 0 sectigo.com | 300 |
| CAA | issue 0 ssl.com | 300 |
| CAA | issuewild 0 comodoca.com | 300 |
| CAA | issuewild 0 digicert.com; cansignhttpexchanges=yes | 300 |
| CAA | issuewild 0 letsencrypt.org | 300 |
| CAA | issuewild 0 pki.goog; cansignhttpexchanges=yes | 300 |
| CAA | issuewild 0 sectigo.com | 300 |
| CAA | issuewild 0 ssl.com | 300 |
| TXT | OSGRXZDHB | 300 |
| TXT | google-site-verification=PbDz-gjfB8Zt-6fgjpPjyh5-Qo2HsJp95qHdq4E0Gvk | 300 |
| TXT | lucid-verify-Ru9jD4dmh4XuV3h | 300 |
| TXT | v=spf1 ip4:52.38.191.241 include:_spf.google.com include:mailgun.org include:sendgrid.net include:mail.zendesk.com include:spf.tipalti.com ~all | 300 |
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, YE2, Let's Encrypt |
| Expires | January 12, 2027 |
| Days remaining | 63 |
| Protocol | TLSv1.3 |
| Names | *.meta.stackexchange.com, *.stackexchange.com, stackexchange.com |
Email security
BScore 80/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- warnSPF uses 10 of the 10 allowed DNS lookups. Adding another service may break it.
- warnDKIM key found (selector: google) but it is only 1024 bits; 2048 is recommended.
- 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).
- goodDMARC policy is reject: mail that fails authentication is blocked.
- goodDMARC aggregate reports are sent to mailto:[email protected].
- good5 MX record(s) found. Mail is handled by Google Workspace.
About stackexchange.com
Who is the registrar of stackexchange.com?
stackexchange.com is registered with CSC Corporate Domains, Inc. (IANA ID 299).
When does stackexchange.com expire?
The current registration of stackexchange.com expires on June 12, 2027. It was first registered on June 12, 2009.
Does stackexchange.com protect its email with SPF and DMARC?
stackexchange.com scores 80/100 (grade B) for email security. SPF uses 10 of the 10 allowed DNS lookups. Adding another service may break it. DKIM key found (selector: google) but it is only 1024 bits; 2048 is recommended.
What are the name servers of stackexchange.com?
stackexchange.com uses damian.ns.cloudflare.com, sureena.ns.cloudflare.com.