Hostname
calcworkshop.com
Last fetched
calcworkshop.com resolves to 3 IPv4 addresses operated by VKT-HK Viking Telecom Limited in GB. WHOIS lists iana:146 as the registrar.
Nutrition Label
Resolution chain
calcworkshop.com resolves to 3 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 213.168.251.69 | 213.168.248.0/22 | AS63949 | VKT-HK Viking Telecom Limited | GB |
| 45.79.146.91 | 45.79.128.0/19 | AS63949 | VKT-HK Viking Telecom Limited | US |
| 172.104.241.104 | 172.104.224.0/19 | AS63949 | VKT-HK Viking Telecom Limited | DE |
WHOIS identity
- Registrar
- iana:146
- Organization
- domains by proxy,
- Contact emails
Subdomains
6 observed subdomains of calcworkshop.com.
Web-graph footprint
Distinct hostnames that link to or from calcworkshop.com in the public web crawl.
125 sites link to this hostname.
Threat posture
History
Mail and authentication
MX records
SPF policy
2 SPF mechanisms authorising senders for calcworkshop.com.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf.google.com |
| SPF_INCLUDE | sendgrid.net |
Related pages
Pivot deeper into the graph from calcworkshop.com.
- IP · 213.168.251.69
- ASN · AS63949VKT-HK Viking Telecom Limited
- Registrar · iana:146
- Country · GB
- Email · calcworkshop.com@domainsbyproxy.com
- TLD · .com
- Browse hostnames · ca…
- Glossary · What is a hostname?
- Whisper Internet Directory — home
- Live MOAS conflicts feed
- Threat feed · Spamhaus DROP
- United States internet infrastructure
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "calcworkshop.com"})-[: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.