Hostname
arcr.uk
Last fetched
arcr.uk resolves to 1 IPv4 address operated by AS42831 in GB. WHOIS lists registrar:alpha internet limited t/a zume as the registrar.
Nutrition Label
Resolution chain
arcr.uk 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 |
|---|---|---|---|---|
| 5.101.172.115 | 5.101.168.0/21 | AS42831 | — | GB |
WHOIS identity
- Registrar
- registrar:alpha internet limited t/a zume
- Organization
- —
- Contact emails
Web-graph footprint
Distinct hostnames that link to or from arcr.uk 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
- arcr.uk
SPF policy
5 SPF mechanisms authorising senders for arcr.uk.
| Mechanism | Target |
|---|---|
| SPF_A | arcr.uk |
| SPF_INCLUDE | relay.mailchannels.net |
| SPF_IP | 185.221.63.15 |
| SPF_IP | 77.75.122.198 |
| SPF_MX | arcr.uk |
Related pages
Pivot deeper into the graph from arcr.uk.
- IP · 5.101.172.115
- ASN · AS42831
- Registrar · registrar:alpha internet limited t/a zume
- Country · GB
- Email · redacted@nominet.uk
- TLD · .uk
- Browse hostnames · ar…
- 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: "arcr.uk"})-[: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.