Rank #3,250Updated November 10, 2026
groupon.com
groupon.com is registered with MarkMonitor Inc. since May 29, 2002 (24.4 years). The registration expires on May 29, 2027. Its email security grade is B. Its SSL certificate is issued by Google Trust Services and is valid for 46 more days.
- Domain age
- 24.4 yrs
- Technologies
- —
- Email security
- B
- SSL days left
- 46
Registration
| Registrar | MarkMonitor Inc. |
|---|---|
| IANA ID | 292 |
| Registered | May 29, 2002 |
| Expires | May 29, 2027 |
| Updated | May 7, 2026 |
| Status | client delete prohibited, client transfer prohibited, client update prohibited, server delete prohibited, server transfer prohibited, server update prohibited |
| Name servers | blue.foundationdns.com, blue.foundationdns.net, blue.foundationdns.org |
| DNSSEC | Signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 104.18.13.36 | 165 |
| A | 104.18.12.36 | 165 |
| MX | aspmx.l.google.com 1 | 300 |
| MX | alt1.aspmx.l.google.com 5 | 300 |
| MX | alt2.aspmx.l.google.com 5 | 300 |
| MX | alt3.aspmx.l.google.com 10 | 300 |
| MX | alt4.aspmx.l.google.com 10 | 300 |
| NS | blue.foundationdns.com | 300 |
| NS | blue.foundationdns.net | 300 |
| NS | blue.foundationdns.org | 300 |
| TXT | ppm5gp7f3c7tx01z9cnp88mf7vc669x3 | 120 |
| TXT | mandrill_verify.esh2KjqaJCaa1-KA4qm7fg | 120 |
| TXT | apple-domain-verification=6GOjopirIpRHnCxT | 120 |
| TXT | MS=6FE1E7D0B585AC075F50EBE6B4BC4DC37B798AF1 | 120 |
| TXT | docker-verification=84154f8d-f1e0-4e55-b66f-6981b74cc7dc | 120 |
| TXT | cloudflare_dashboard_sso=470ba9cd4b208e366b18f40fbbf0690f | 120 |
| TXT | cursor-domain-verification-47vrz6=3nwd3aV3g2ZBrCAlN25FCutzV | 120 |
| TXT | facebook-domain-verification=c60imsb8lu41f5g3ajiga3ule9yhha | 120 |
| TXT | twilio-domain-verification=1d755492596c51fc65fb4fbc19d64c2a | 120 |
| TXT | onetrust-domain-verification=ff5b22486baf4fe0b8b50034143076d2 | 120 |
| TXT | anthropic-domain-verification-5hb58r=jkWl7775XAHDiS2fMwqD6RAoz | 120 |
| TXT | adobe-idp-site-verification=525ae05e-61ea-42e0-aa5c-7b772b5d1440 | 120 |
| AAAA | 2606:4700::6812:c24 | 164 |
| AAAA | 2606:4700::6812:d24 | 164 |
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, WR1, Google Trust Services |
| Expires | December 26, 2026 |
| Days remaining | 46 |
| Protocol | TLSv1.3 |
| Names | groupon.com, cosai.groupon.com, *.cosai.groupon.com |
Email security
BScore 85/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- 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.
- 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].
- goodDKIM keys found (selector: google, s1, s2, mandrill).
- good5 MX record(s) found. Mail is handled by Google Workspace.
- goodBIMI record found: supporting inboxes can show your brand logo.
About groupon.com
Who is the registrar of groupon.com?
groupon.com is registered with MarkMonitor Inc. (IANA ID 292).
When does groupon.com expire?
The current registration of groupon.com expires on May 29, 2027. It was first registered on May 29, 2002.
Does groupon.com protect its email with SPF and DMARC?
groupon.com scores 85/100 (grade B) for email security. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection. No TLS-RPT record, so you won't hear about failed encrypted deliveries.
What are the name servers of groupon.com?
groupon.com uses blue.foundationdns.com, blue.foundationdns.net, blue.foundationdns.org.