outlook.office365.com
Outlook
outlook.office365.com is registered with MarkMonitor Inc. since June 20, 2005 (21.4 years). The registration expires on June 20, 2027. The site runs on Content Security Policy, HSTS. Its email security grade is C. Its SSL certificate is issued by DigiCert Inc and is valid for 171 more days.
- Domain age
- 21.4 yrs
- Technologies
- 2
- Email security
- C
- SSL days left
- 171
Registration
| Registrar | MarkMonitor Inc. |
|---|---|
| IANA ID | 292 |
| Registered | June 20, 2005 |
| Expires | June 20, 2027 |
| Updated | May 19, 2026 |
| Status | client delete prohibited, client transfer prohibited, client update prohibited, server delete prohibited, server transfer prohibited, server update prohibited |
| Name servers | ns1-07.azure-dns.com, ns2-07.azure-dns.net, ns3-07.azure-dns.org, ns4-07.azure-dns.info |
| DNSSEC | Signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 40.99.155.226 | 4 |
| A | 52.97.189.98 | 4 |
| A | 52.98.178.210 | 4 |
| A | 52.98.178.226 | 4 |
| A | 52.98.179.226 | 4 |
| A | 52.98.252.82 | 4 |
| A | 52.98.253.34 | 4 |
| A | 52.98.253.98 | 4 |
| AAAA | 2603:1026:c0d:70::2 | 1 |
| AAAA | 2603:1026:c0d:34::2 | 1 |
| AAAA | 2603:1026:c0d:1009::2 | 1 |
Technology stack
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, DigiCert Global G2 TLS RSA SHA256 2020 CA1, DigiCert Inc |
| Expires | April 30, 2027 |
| Days remaining | 171 |
| Protocol | TLSv1.3 |
| Names | outlook.com, *.hotmail.com, *.internal.outlook.com, *.live.com, *.office.com, *.office365.com, *.outlook.com, *.outlook.office365.com, attachment.outlook.live.net, attachment.outlook.office.net, attachment.outlook.officeppe.net, attachments.office.net |
Email security
- 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 MX records: this domain cannot receive email.
- 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].
Homepage metadata
| Title | Outlook |
|---|---|
| Indexable | Yes |
| Word count | 0 |
About outlook.office365.com
Who is the registrar of outlook.office365.com?
outlook.office365.com is registered with MarkMonitor Inc. (IANA ID 292).
When does outlook.office365.com expire?
The current registration of outlook.office365.com expires on June 20, 2027. It was first registered on June 20, 2005.
What technology does outlook.office365.com use?
We detected 2 technologies on outlook.office365.com, including Content Security Policy, HSTS.
Does outlook.office365.com protect its email with SPF and DMARC?
outlook.office365.com scores 78/100 (grade C) for email security. No DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess. No MX records: this domain cannot receive email.