Hostname

51.nz

Last fetched Tue, 21 Jul 2026 14:26:02 GMT

51.nz resolves to 2 IPv4 addresses operated by ORACLE-BMC-31898 - Oracle Corporation in SG. WHOIS lists registrar:porkbun llc as the registrar.

Nutrition Label

Resolution chain

51.nz resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
129.150.43.79	129.150.32.0/19	AS31898	ORACLE-BMC-31898 - Oracle Corporation	SG
94.156.152.116	94.156.152.0/24	AS214209	—	ZA

WHOIS identity

Registrar: registrar:porkbun llc
Organization: —
Contact emails: —

Subdomains

13 observed subdomains of 51.nz.

Subdomain
a2.51.nz
arm500.51.nz
blog.51.nz
d.51.nz
hk.51.nz
holyok.51.nz
jam.51.nz
sg.51.nz
soft.51.nz
use.51.nz
wp.51.nz
www.51.nz
zh.51.nz

Threat posture

History

Mail and authentication

MX records

51-nz.mail.protection.outlook.com

SPF policy

1 SPF mechanism authorising senders for 51.nz.

Mechanism	Target
SPF_INCLUDE	spf.protection.outlook.com

Pivot deeper into the graph from 51.nz.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "51.nz"})-[: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.