Hostname
mast.is
Last fetched
mast.is appears in WhisperGraph with partial WHOIS records but no current public IPv4 resolution.
Nutrition Label
Resolution chain
mast.is has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.
WHOIS identity
No WHOIS records are currently associated with mast.is in WhisperGraph.
Subdomains
22 observed subdomains of mast.is.
Web-graph footprint
Distinct hostnames that link to or from mast.is in the public web crawl.
423 sites link to this hostname.
262 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
6 SPF mechanisms authorising senders for mast.is.
| Mechanism | Target |
|---|---|
| SPF_A | mx1.midja.is |
| SPF_A | mx4.midja.is |
| SPF_A | relay.hysing.is |
| SPF_INCLUDE | _spf.email.stefna.is |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 37.205.35.177 |
Related pages
Pivot deeper into the graph from mast.is.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "mast.is"})-[: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.