DNS Records

microsoftonline.com

Total Records

16

Response Time

22ms

DNSSEC

Disabled

DNS Provider

Azure DNS

SPF strict DMARC reject

Mail Records

Mail servers for the domain

1
Type Name Value TTL
MX microsoftonline.com

10 messaging-microsoft-com.mail.protection.outlook.com.

1h

Name Records

Nameservers and aliases

5
Type Name Value TTL
NS microsoftonline.com

ns1-38.azure-dns.com.

5m
NS microsoftonline.com

ns2-38.azure-dns.net.

5m
NS microsoftonline.com

ns3-38.azure-dns.org.

5m
NS microsoftonline.com

ns4-38.azure-dns.info.

5m
SOA microsoftonline.com

ns1-38.azure-dns.com. msnhst.microsoft.com. 2017971531 300 120 2419200 60

1h

Text & Verification

SPF, DKIM, DMARC, and verification

4
Type Name Value TTL
TXT _dmarc.microsoftonline.com

"v=DMARC1; p=reject; pct=100; rua=mailto:rua@dmarc.microsoft; ruf=mailto:ruf@dmarc.microsoft; fo=1"

5m
TXT microsoftonline.com

"v=spf1 ip4:216.32.180.228 include:spfa.microsoftonline.com include:spf-exacttarget.microsoftonline.com include:spf-msods.microsoftonline.com include:spf-mfa.microsoftonline.com include:_spf-ssg-a.microsoft.com -all"

5m
TXT microsoftonline.com

"google-site-verification=y-tlrGiMNJkBF1UO4Xk0GjbVwYk3p5urCieV9B1sHJ0"

5m
TXT microsoftonline.com

"google-site-verification=CNZTg2P9nNfuZUJdHTYBONoHbOjMq7UPVvxoqMgomfQ"

5m

Security & Certificates

DNSSEC, CA restrictions, and keys

6
Type Name Value TTL
CAA microsoftonline.com

\# 20 00 05 69 73 73 75 65 6d 69 63 72 6f 73 6f 66 74 2e 63 6f 6d

5m
CAA microsoftonline.com

\# 21 00 05 69 73 73 75 65 67 6c 6f 62 61 6c 73 69 67 6e 2e 63 6f 6d

5m
CAA microsoftonline.com

\# 18 00 05 69 73 73 75 65 65 6e 74 72 75 73 74 2e 6e 65 74

5m
CAA microsoftonline.com

\# 19 00 05 69 73 73 75 65 64 69 67 69 63 65 72 74 2e 63 6f 6d

5m
CAA microsoftonline.com

\# 35 00 05 69 6f 64 65 66 6d 61 69 6c 74 6f 3a 64 6f 6d 61 69 6e 73 40 6d 69 63 72 6f 73 6f 66 74 2e 63 6f 6d

5m
CAA microsoftonline.com

\# 42 00 0c 63 6f 6e 74 61 63 74 65 6d 61 69 6c 63 61 61 72 65 63 6f 72 64 61 77 61 72 65 40 6d 69 63 72 6f 73 6f 66 74 2e 63 6f 6d

5m

Queried 6/15/2026, 10:42:50 AM ยท 22ms

REST API

Integrate DNS lookups into your applications โ€” query all record types programmatically.

curl -X GET "https://api.requestguard.com/api/v1/dns/lookup?domain=microsoftonline.com" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Accept: application/json"
Rate limit: 100 req/min Authentication: API Key Get API Access โ†’