Hostname
sourcedefense.com
Last fetched
sourcedefense.com is a hostname indexed by WhisperGraph, the internet-infrastructure graph behind the Whisper Internet Directory. sourcedefense.com is listed by 1 threat feed; reconciled level HIGH.
Threat posture
40threat score (procedure-native scale)
HIGHListed by 1 threat feed. At least one source recommends blocking.
- Threat feeds listing this
- 1
- Verdict coverage
- malicious-evidenced
- First seen on a feed
- Tue, 01 Sep 2026 09:25:53 GMT
- Last seen on a feed
- Wed, 02 Sep 2026 03:34:48 GMT
Nutrition Label
Resolution chain
No IPv4 resolution is recorded for sourcedefense.com in WhisperGraph.
IPv6 resolution
No AAAA record for sourcedefense.com is recorded in WhisperGraph.
WHOIS identity
- Registrar
- iana:83
- Registrant organisation
- 1&1 internet
- Contact emails
- privacy@1and1.com, dataprivacyprotected@1und1.de, dataprivacyprotected@ionos.de
Subdomains
Web-graph footprint
Sampled `LINKS_TO` edges. The hyperlink layer is a pilot sample, not a web-scale crawl, so these are illustrative.
Sample inbound links
Mail and authentication
Nameservers
- ns-300.awsdns-37.com
- ns-824.awsdns-39.net
- ns-1142.awsdns-14.org
- ns-1711.awsdns-21.co.uk
MX records
- aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
SPF policy
- include: _spf.google.com
- include: 6087099.spf01.hubspotemail.net
Threat-feed evidence
History
Related pages
Pivot from sourcedefense.com into the addresses, networks and registries it depends on.
Cypher and MCP
Reproduce this hostname's resolution chain against graph.whisper.security:
MATCH (h:HOSTNAME {name: "sourcedefense.com"})-[:RESOLVES_TO]->(ip:IPV4)
-[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)-[:ROUTES]->(a:ASN)
OPTIONAL MATCH (a)-[:HAS_NAME]->(n:ASN_NAME)
RETURN ip.name AS ip, ap.name AS prefix, a.name AS asn, n.name AS network
LIMIT 20Or query Whisper from your own LLM workflow via the Whisper MCP server.