Hostname

nu3.de

Last fetched Mon, 22 Jun 2026 11:17:21 GMT

nu3.de appears in WhisperGraph with partial WHOIS records but no current public IPv4 resolution.

Nutrition Label

Resolution chain

nu3.de has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.

WHOIS identity

No WHOIS records are currently associated with nu3.de in WhisperGraph.

Subdomains

76 observed subdomains of nu3.de.

Subdomain
cdnssl.nu3.de
haproxy-extern.nu3.de
img.nu3.de
local.nu3.de
news.nu3.de
office.nu3.de
office153.nu3.de
office154.nu3.de
office155.nu3.de
office156.nu3.de
office157.nu3.de
office158.nu3.de
sip.nu3.de
smtp.nu3.de
static.nu3.de
translations.nu3.de
uhd.nu3.de
www-yz.nu3.de
www.nu3.de
zed.nu3.de

Showing 20 of 76. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from nu3.de in the public web crawl.

718 sites link to this hostname.

128 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

nu3-de.mail.protection.outlook.com

SPF policy

11 SPF mechanisms authorising senders for nu3.de.

Mechanism	Target
SPF_A	mail.fp-sign.com
SPF_INCLUDE	amazonses.com
SPF_INCLUDE	shops.shopify.com
SPF_INCLUDE	spf.outbound.parcellab.email
SPF_INCLUDE	spf.protection.outlook.com
SPF_INCLUDE	spf.sendinblue.com
SPF_INCLUDE	spf1.atlassian.com
SPF_INCLUDE	spf3.atlassian.com
SPF_IP	212.91.255.152/29
SPF_IP	79.140.126.88/29
SPF_MX	nu3.de

Pivot deeper into the graph from nu3.de.

Cypher and MCP

Reproduce the resolution chain directly against graph.whisper.security:

MATCH (h:HOSTNAME {name: "nu3.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 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.