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Hostname

psba.org

Last fetched

psba.org resolves to 2 IPv4 addresses operated by AUTOMATTIC - Automattic, Inc in US. WHOIS lists iana:146 as the registrar.

Nutrition Label

WHISPER CANON · psba.orgRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/psba.org

Resolution chain

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

IPPrefixASNOperatorCountry
199.16.172.251199.16.172.0/24AS2635AUTOMATTIC - Automattic, IncUS
199.16.173.88199.16.173.0/24AS2635AUTOMATTIC - Automattic, IncUS

WHOIS identity

Registrar
iana:146
Organization
pennsylvania school board assoc. ins. te pennsylvania school board assoc. ins. te
Contact emails

Subdomains

19 observed subdomains of psba.org.

Subdomain
autodiscover.psba.org
www.psba.org
vpn.psba.org
training.psba.org
sso.psba.org
sdx.psba.org
news.psba.org
mail.psba.org
gen3.psba.org
exchange.psba.org
exch.psba.org
dev-backpack.psba.org
dev.psba.org
careergateway.psba.org
bulletin.psba.org
backpack.psba.org

Showing 16 of 19. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from psba.org in the public web crawl.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

13 SPF mechanisms authorising senders for psba.org.

MechanismTarget
SPF_INCLUDE_spf.smtp.com
SPF_INCLUDE_spf.votervoice.net
SPF_INCLUDEmail2.netronixcorp.com
SPF_INCLUDErsgsv.net
SPF_INCLUDEservers.mcsv.net
SPF_INCLUDEspf.mandrillapp.com
SPF_INCLUDEspf.protection.outlook.com
SPF_INCLUDEspf.us.exclaimer.net
SPF_IP148.105.0.0/16
SPF_IP198.2.128.0/18
SPF_IP205.201.128.0/20
SPF_IP72.95.21.164
SPF_MXpsba.org

Related pages

Pivot deeper into the graph from psba.org.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "psba.org"})-[: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.