Hostname
duo.com.sg
Last fetched
duo.com.sg resolves to 1 IPv4 address operated by MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation in SG.
Nutrition Label
Resolution chain
duo.com.sg resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 20.212.119.219 | 20.192.0.0/10 | AS8075 | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | SG |
WHOIS identity
No WHOIS records are currently associated with duo.com.sg in WhisperGraph.
Subdomains
5 observed subdomains of duo.com.sg.
Web-graph footprint
Distinct hostnames that link to or from duo.com.sg in the public web crawl.
1 site linked to from this hostname.
Sample inbound links
Sample outbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
12 SPF mechanisms authorising senders for duo.com.sg.
| Mechanism | Target |
|---|---|
| SPF_A | duo.com.sg |
| SPF_A | mail.duo.com.sg |
| SPF_A | mail.motorimage.net |
| SPF_INCLUDE | cmail1.com |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_INCLUDE | srs.bis.ap.blackberry.com |
| SPF_IP | 118.189.114.40/29 |
| SPF_IP | 118.189.117.48/28 |
| SPF_IP | 118.189.94.1/27 |
| SPF_IP | 61.8.200.1/27 |
| SPF_IP | 61.8.233.129/25 |
| SPF_MX | duo.com.sg |
Related pages
Pivot deeper into the graph from duo.com.sg.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "duo.com.sg"})-[:RESOLVES_TO]->(ip:IPV4)
-[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)
-[:ROUTES]->(asn:ASN)-[:HAS_NAME]->(n:ASN_NAME)
RETURN ip.name AS ip, ap.name AS prefix, asn.name AS asn, n.name AS operator
LIMIT 20Or query Whisper from your own LLM workflow via the Whisper MCP server.