Hostname
blackfire.cz
Last fetched
blackfire.cz resolves to 6 IPv4 addresses operated by AMAZON-AES - Amazon.com, Inc. in US. WHOIS lists registrar:reg-nameshield as the registrar.
Nutrition Label
Resolution chain
blackfire.cz resolves to 6 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 100.29.234.2 | 100.24.0.0/13 | AS14618 | AMAZON-AES - Amazon.com, Inc. | US |
| 13.216.157.171 | 13.216.0.0/13 | AS14618 | AMAZON-AES - Amazon.com, Inc. | US |
| 13.223.158.31 | 13.216.0.0/13 | AS14618 | AMAZON-AES - Amazon.com, Inc. | US |
| 23.23.172.212 | 23.22.0.0/15 | AS14618 | AMAZON-AES - Amazon.com, Inc. | US |
| 54.209.11.27 | 54.208.0.0/15 | AS14618 | AMAZON-AES - Amazon.com, Inc. | US |
| 54.225.58.63 | 54.224.0.0/15 | AS14618 | AMAZON-AES - Amazon.com, Inc. | US |
WHOIS identity
- Registrar
- registrar:reg-nameshield
- Organization
- adc blackfire ent. s.r.o.
- Contact emails
Subdomains
18 observed subdomains of blackfire.cz.
Web-graph footprint
Distinct hostnames that link to or from blackfire.cz in the public web crawl.
91 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
5 SPF mechanisms authorising senders for blackfire.cz.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | servers.mcsv.net |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 77.93.216.131 |
| SPF_IP | 81.30.240.165 |
| SPF_IP | 89.185.242.27 |
Related pages
Pivot deeper into the graph from blackfire.cz.
- IP · 100.29.234.2
- ASN · AS14618AMAZON-AES - Amazon.com, Inc.
- Registrar · registrar:reg-nameshield
- Country · US
- Email · marketing@blackfire.cz
- TLD · .cz
- Browse hostnames · bl…
- 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: "blackfire.cz"})-[: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.