Rank #714Updated November 10, 2026
addthis.com
addthis.com is registered with MarkMonitor Inc. since May 26, 1998 (28.5 years). The registration expires on May 25, 2027. Its email security grade is B. Its SSL certificate is issued by DigiCert Inc and is valid for 62 more days.
- Domain age
- 28.5 yrs
- Technologies
- —
- Email security
- B
- SSL days left
- 62
Registration
| Registrar | MarkMonitor Inc. |
|---|---|
| IANA ID | 292 |
| Registered | May 26, 1998 |
| Expires | May 25, 2027 |
| Updated | April 23, 2026 |
| Status | client delete prohibited, client transfer prohibited, client update prohibited |
| Name servers | a1-160.akam.net, a11-66.akam.net, a13-65.akam.net, a18-67.akam.net |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 23.36.162.70 | 20 |
| A | 23.36.162.82 | 20 |
| MX | mxa-00069f01.gslb.pphosted.com 20 | 300 |
| MX | mxb-00069f01.gslb.pphosted.com 20 | 300 |
| NS | a18-67.akam.net | 10800 |
| NS | a11-66.akam.net | 10800 |
| NS | a13-65.akam.net | 10800 |
| NS | a1-160.akam.net | 10800 |
| TXT | prz8n91rvkmbyl171kwgx2wvwxbt8sg4 | 300 |
| TXT | bzs3z25smxyylvxfjkr6vqmgp2tbgw42 | 300 |
| TXT | v=spf1 -all | 300 |
| TXT | _gx4rm5gnquvvvcpxwfpgkdvy4f0646y | 300 |
| TXT | sj0v1trxt209h3xvhhjhky7jzb4ygxcy | 300 |
| TXT | pardot_92742_*=ec3c667bac55ced29c06395c567c68e2ddd44611bd74798e5c7ac890cc4c244a | 300 |
| TXT | globalsign-domain-verification=Wq9iztGUzQcBBi1OLrEOlXtefwOzX7yfvhbsw-CVdo | 300 |
| AAAA | 2a02:26f0:ab00::214:8e80 | 20 |
| AAAA | 2a02:26f0:ab00::214:8eb9 | 20 |
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, DigiCert Global G3 TLS ECC SHA384 2020 CA1, DigiCert Inc |
| Expires | January 11, 2027 |
| Days remaining | 62 |
| Protocol | TLSv1.3 |
| Names | www-legacy-5.oracle.com, addthis.com, ai.oracle.com, blog.bronto.com, blogs.bronto.com, bronto.com, cernerhealth.cm, cernerhealth.co, cernerhealth.co.uk, cernerhealth.net, cernerhealth.uk, cernerhealthcare.com |
Email security
BScore 84/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- warnDKIM key found (selector: google, mandrill) 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.
- goodSPF record found.
- goodSPF ends with -all: servers you have not listed are rejected (hard fail).
- goodDMARC policy is reject: mail that fails authentication is blocked.
- goodDMARC aggregate reports are sent to mailto:[email protected].
- good2 MX record(s) found. Mail is handled by Proofpoint.
About addthis.com
Who is the registrar of addthis.com?
addthis.com is registered with MarkMonitor Inc. (IANA ID 292).
When does addthis.com expire?
The current registration of addthis.com expires on May 25, 2027. It was first registered on May 26, 1998.
Does addthis.com protect its email with SPF and DMARC?
addthis.com scores 84/100 (grade B) for email security. DKIM key found (selector: google, mandrill) but it is only 1024 bits; 2048 is recommended. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
What are the name servers of addthis.com?
addthis.com uses a18-67.akam.net, a11-66.akam.net, a13-65.akam.net, a1-160.akam.net.