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Gridlode
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

RegistrarMarkMonitor Inc.
IANA ID292
RegisteredMay 26, 1998
ExpiresMay 25, 2027
UpdatedApril 23, 2026
Statusclient delete prohibited, client transfer prohibited, client update prohibited
Name serversa1-160.akam.net, a11-66.akam.net, a13-65.akam.net, a18-67.akam.net
DNSSECNot signed

DNS records

TypeValueTTL
A23.36.162.7020
A23.36.162.8220
MXmxa-00069f01.gslb.pphosted.com 20300
MXmxb-00069f01.gslb.pphosted.com 20300
NSa18-67.akam.net10800
NSa11-66.akam.net10800
NSa13-65.akam.net10800
NSa1-160.akam.net10800
TXTprz8n91rvkmbyl171kwgx2wvwxbt8sg4300
TXTbzs3z25smxyylvxfjkr6vqmgp2tbgw42300
TXTv=spf1 -all300
TXT_gx4rm5gnquvvvcpxwfpgkdvy4f0646y300
TXTsj0v1trxt209h3xvhhjhky7jzb4ygxcy300
TXTpardot_92742_*=ec3c667bac55ced29c06395c567c68e2ddd44611bd74798e5c7ac890cc4c244a300
TXTglobalsign-domain-verification=Wq9iztGUzQcBBi1OLrEOlXtefwOzX7yfvhbsw-CVdo300
AAAA2a02:26f0:ab00::214:8e8020
AAAA2a02:26f0:ab00::214:8eb920

SSL certificate

ValidValid
IssuerUS, DigiCert Global G3 TLS ECC SHA384 2020 CA1, DigiCert Inc
ExpiresJanuary 11, 2027
Days remaining62
ProtocolTLSv1.3
Nameswww-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.