Domain Intelligence Report

outlook.com

DNS records, WHOIS/RDAP registration, SSL certificate, subdomain enumeration, and email-security posture — aggregated in real time and cached.

6
DNS record types
142d
SSL cert remaining
10
Subdomains found
SPF + DMARC
Email security
DNS

DNS Records

All record types resolved from authoritative DNS for outlook.com.

A 9 records
  • 52.96.229.242
  • 52.96.222.194
  • 52.96.223.2
  • 52.96.214.50
  • 52.96.222.226
  • 52.96.228.130
  • 52.96.91.34
  • 52.96.172.98
  • 52.96.111.82
MX 1 record
  • 5 outlook-com.olc.protection.outlook.com.
TXT 5 records
  • "google-site-verification=DC2uC-T8kD33lINhNzfo0bNBrw-vrCXs5BPF5BXY56g"
  • "_ofl74f250a84g188pro5arwqa23zle2"
  • "v=spf1 include:spf2.outlook.com -all"
  • "google-site-verification=u61khn2j2qt8IdrjskRMSZ0p_HaFURXKrSsu-uXKyNA"
  • "google-site-verification=0iLWhIMhXEkeWwWfFU4ursTn-_OvoOjaA0Lr7Pg1sEM"
NS 4 records
  • ns3-05.azure-dns.org.
  • ns4-05.azure-dns.info.
  • ns1-05.azure-dns.com.
  • ns2-05.azure-dns.net.
CAA 6 records
  • 0 issue "digicert.com"
  • 0 issue "globalsign.com"
  • 0 issue "entrust.net"
  • 0 contactemail "caarecordaware@microsoft.com"
  • 0 issue "microsoft.com"
  • 0 iodef "mailto:caarecordaware@microsoft.com"
SOA 1 record
  • ns1-05.azure-dns.com. msnhst.microsoft.com. 2017971531 300 120 2419200 60
Registration

WHOIS / RDAP

Registration data for outlook.com via the RDAP protocol, with port-43 WHOIS fallback if RDAP is unavailable.

whois via rdap.org
Registrar
MarkMonitor Inc.
Created
1994-08-18T04:00:00Z
Updated
2025-07-16T12:18:46Z
Expires
2026-08-17T04:00:00Z
Handle
2019401_DOMAIN_COM-VRSN
Nameservers
NS1-05.AZURE-DNS.COMNS2-05.AZURE-DNS.NETNS3-05.AZURE-DNS.ORGNS4-05.AZURE-DNS.INFO
Status
client delete prohibitedclient transfer prohibitedclient update prohibitedserver delete prohibitedserver transfer prohibitedserver update prohibited
TLS

SSL Certificate

Live TLS handshake against outlook.com. No third-party scanner.

ssl 142 days remaining
Issuer
CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1,O=DigiCert Inc,C=US
Subject
CN=outlook.com,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US
Valid from
2026-03-18T00:00:00+00:00
Valid to
2026-10-02T23:59:59+00:00
Serial
7397964804227323707372931874958310515
SANs (20)
outlook.com*.hotmail.com*.internal.outlook.com*.live.com*.office.com*.office365.com*.outlook.com*.outlook.office365.comattachment.outlook.live.netattachment.outlook.office.netattachment.outlook.officeppe.netattachments.office.netattachments-sdf.office.netccs.login.microsoftonline.comhotmail.commail.services.live.comoffice365.comoutlook.office.comsubstrate.office.comsubstrate-sdf.office.com
Reconnaissance

Subdomains discovered

Aggregated from Certificate Transparency logs (crt.sh, certspotter, hackertarget) with DNS bruteforce fallback if all CT sources fail.

⚠ Partial results — crt.sh status 429 · certspotter rate-limited · hackertarget limited: API count exceeded - Increase Quota with Membership
subdomains 10 found
crt.sh status 429 certspotter rate-limited hackertarget limited: API count exceeded - Increase Quota with Membership dns-brute ok +10 (wordlist 54)
  • assets.outlook.com
  • autodiscover.outlook.com
  • help.outlook.com
  • imap.outlook.com
  • m.outlook.com
  • my.outlook.com
  • pop.outlook.com
  • smtp.outlook.com
  • test.outlook.com
  • www.outlook.com
Email

Email Security Posture

SPF and DMARC presence and records for outlook.com. DKIM requires a known selector and is not auto-discoverable.

SPF present
  • v=spf1 include:spf2.outlook.com -all
DMARC present
  • v=DMARC1; p=none; sp=quarantine; pct=100; rua=mailto:rua@dmarc.microsoft; ruf=mailto:ruf@dmarc.microsoft; fo=1
DKIM selector required

DKIM requires selector; not auto-discoverable

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