Hostname
postur.is
Last fetched
postur.is resolves to 1 IPv4 address operated by AS44515 in IS.
Nutrition Label
Resolution chain
postur.is 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 |
|---|---|---|---|---|
| 82.221.64.147 | 82.221.64.0/23 | AS44515 | — | IS |
WHOIS identity
- Registrar
- —
- Organization
- íslandspóstur ohf.
- Contact emails
Subdomains
23 observed subdomains of postur.is.
Showing 22 of 23. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from postur.is in the public web crawl.
258 sites link to this hostname.
1 site linked to from this hostname.
Sample inbound links
Sample outbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
9 SPF mechanisms authorising senders for postur.is.
| Mechanism | Target |
|---|---|
| SPF_A | postur.is |
| SPF_INCLUDE | _spf.umsja.is |
| SPF_INCLUDE | amazonses.com |
| SPF_INCLUDE | fdspfus.freshemail.io |
| SPF_INCLUDE | smtp.kjarni.is |
| SPF_INCLUDE | spf-eu.emailsignatures365.com |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 213.213.128.51 |
| SPF_MX | postur.is |
Related pages
Pivot deeper into the graph from postur.is.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "postur.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.