Hostname
certina.de
Last fetched
certina.de resolves to 1 IPv4 address operated by AS15817 in DE.
Nutrition Label
Resolution chain
certina.de 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 |
|---|---|---|---|---|
| 188.94.254.103 | 188.94.248.0/21 | AS15817 | — | DE |
WHOIS identity
No WHOIS records are currently associated with certina.de in WhisperGraph.
Subdomains
5 observed subdomains of certina.de.
Web-graph footprint
Distinct hostnames that link to or from certina.de in the public web crawl.
17 sites link to this hostname.
Sample inbound links
Sample outbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
4 SPF mechanisms authorising senders for certina.de.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | spf.coi.com |
| SPF_INCLUDE | spf.coi.de |
| SPF_INCLUDE | spf.emailsignatures365.com |
| SPF_INCLUDE | spf.protection.outlook.com |
Related pages
Pivot deeper into the graph from certina.de.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "certina.de"})-[: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.