about.com
about.com is registered with MarkMonitor Inc. since March 12, 1999 (27.7 years). The registration expires on March 12, 2027. Its email security grade is F. Its SSL certificate is issued by Let's Encrypt and is valid for 61 more days.
- Domain age
- 27.7 yrs
- Technologies
- —
- Email security
- F
- SSL days left
- 61
Registration
| Registrar | MarkMonitor Inc. |
|---|---|
| IANA ID | 292 |
| Registered | March 12, 1999 |
| Expires | March 12, 2027 |
| Updated | February 8, 2026 |
| Status | client delete prohibited, client transfer prohibited, client update prohibited |
| Name servers | blue.foundationdns.com, blue.foundationdns.net, blue.foundationdns.org |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 162.159.141.224 | 300 |
| A | 172.66.1.220 | 300 |
| MX | aspmx.l.google.com 10 | 3600 |
| MX | alt1.aspmx.l.google.com 20 | 3600 |
| MX | alt2.aspmx.l.google.com 30 | 3600 |
| MX | aspmx2.googlemail.com 40 | 3600 |
| MX | aspmx3.googlemail.com 50 | 3600 |
| NS | blue.foundationdns.com | 86400 |
| NS | blue.foundationdns.net | 86400 |
| NS | blue.foundationdns.org | 86400 |
| TXT | _globalsign-domain-verification=ojigih5w0ef57wjvnpzdo5a4culsziquhumcdqksj2 | 3600 |
| TXT | adobe-idp-site-verification=4d443bb146b2a60fc0c0216c899a6ef9baa971cc3c36ac4b3020b4719b5c2e82 | 3600 |
| TXT | airtable-verification=7f23bd05102c5a2c073b0d0689ecaf71 | 3600 |
| TXT | atlassian-domain-verification=uutqhyge655rxaicqp-iayc/q7ggtojzidouyp0rb7n8oudp4q8wfsgllr1iajvr | 3600 |
| TXT | facebook-domain-verification=rf8ocdhxrznl039sodxk5mul9of8l7 | 3600 |
| TXT | globalsign-domain-verification=w4_cm6jggwq8dxcwhkis6ltg0lzij1oizfjnoapv_d | 3600 |
| TXT | google-site-verification=nabvdaatpqecskkkchqujsdsjagdkyi4dg5-vj-bcrw | 3600 |
| TXT | openai-domain-verification=dv-7ma37immfvwqj1fwgsn676a6 | 3600 |
| TXT | slack-domain-verification=op2dusosy3seuyxvj1tjafq1nwifizeevpkitpnr | 3600 |
| TXT | v=spf1 ip4 64.125.213.247 ip4 216.223.13.247 ip4 34.194.76.185 ip4 35.164.185.216 ip4 34.194.69.219 include _spf.salesforce.com include _spf.google.com include spf.protection.outlook.com include amazonses.com ~all | 3600 |
| AAAA | 2606:4700:7::1d8 | 300 |
| AAAA | 2a06:98c1:58::1d8 | 300 |
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, YE1, Let's Encrypt |
| Expires | January 10, 2027 |
| Days remaining | 61 |
| Protocol | TLSv1.3 |
| Names | *.about.com, about.com |
Email security
- warnThe SPF record has syntax problems: Unknown SPF term '64.125.213.247'. Unknown SPF term '216.223.13.247'. Unknown SPF term '34.194.76.185'. Unknown SPF term '35.164.185.216'. Unknown SPF term '34.194.69.219'. An include mechanism has no domain. Unknown SPF term '_spf.salesforce.com'. An include mechanism has no domain. Unknown SPF term '_spf.google.com'. An include mechanism has no domain. Unknown SPF term 'spf.protection.outlook.com'. An include mechanism has no domain. Unknown SPF term 'amazonses.com'.
- warnDMARC policy is none (monitoring only). Spoofed mail is still delivered.
- warnNo DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess.
- 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 ends with ~all: servers you have not listed are marked as suspicious (soft fail).
- goodDMARC aggregate reports are sent to mailto [email protected].
- good5 MX record(s) found. Mail is handled by Google Workspace.
About about.com
Who is the registrar of about.com?
about.com is registered with MarkMonitor Inc. (IANA ID 292).
When does about.com expire?
The current registration of about.com expires on March 12, 2027. It was first registered on March 12, 1999.
Does about.com protect its email with SPF and DMARC?
about.com scores 43/100 (grade F) for email security. The SPF record has syntax problems: Unknown SPF term '64.125.213.247'. Unknown SPF term '216.223.13.247'. Unknown SPF term '34.194.76.185'. Unknown SPF term '35.164.185.216'. Unknown SPF term '34.194.69.219'. An include mechanism has no domain. Unknown SPF term '_spf.salesforce.com'. An include mechanism has no domain. Unknown SPF term '_spf.google.com'. An include mechanism has no domain. Unknown SPF term 'spf.protection.outlook.com'. An include mechanism has no domain. Unknown SPF term 'amazonses.com'. DMARC policy is none (monitoring only). Spoofed mail is still delivered.
What are the name servers of about.com?
about.com uses blue.foundationdns.com, blue.foundationdns.net, blue.foundationdns.org.