No aparece Julio Pérez. Google no lo relaciona con aznar.net, tampoco Jose Maria Jimenez Hernandez.
Han tenido tiempo de modificar los datos. ARSYS guarda los registros previos, así que es ahí donde han de buscar los periodistas.

Active Whois 2.2.2814
lun, 20 diciembre 2004 19:23:50 +0100 (Hora estándar romance)
Looking for 'http://www.aznar.net'


www.aznar.net [62.151.161.4] - host unavailable


Domain owner:
Looking for 'aznar.net'
Domain zone 'NET' is for networking organizations
URL for registration of domains: http://www.internic.net/origin.html

Server 'whois.networksolutions.com' reply [2105 bytes in raw data]:

Registrant:
Jose Maria Jimenez Hernandez (AZNAR2-DOM)
esproceda 28
Madrid, Madrid 28003
ES


Domain Name: AZNAR.NET

Administrative Contact, Technical Contact:
Jimenez, Jose-Maria (JJ10896) jmjime@EDITORES.NET
Jimenez, Jose-Maria
C/ Espronceda, 28
Madrid, Madrid 28003
ES
+34 913 992 980 fax: +34 913 992 980


Record expires on 29-Jul-2005.
Record created on 30-Jul-1998.
Database last updated on 20-Dec-2004 13:21:51 EST.

Domain servers in listed order:

NS.BS-YA.COM 62.151.20.7
NS2.BS-YA.COM 62.151.20.15


IP address:
Looking for '62.151.161.4'

Server 'whois.ripe.net' reply [3131 bytes in raw data]:

inetnum: 62.151.0.0 - 62.151.255.255
org: ORG-YIF1-RIPE
netname: ES-YACOM-20001121
descr: Ya.com Internet Factory
descr: Provider Local Registry
country: ES
admin-c: JAA8-RIPE
admin-c: JJR2-RIPE
tech-c: YO11-RIPE
status: ALLOCATED PA
notify: javier.juan@corp.ya.com
changed: hostmaster@ripe.net 20001121
source: RIPE
mnt-by: RIPE-NCC-HM-MNT
mnt-lower: YACOM-NET-MNT
changed: hostmaster@ripe.net 20010508
changed: hostmaster@ripe.net 20010522
changed: hostmaster@ripe.net 20040227

route: 62.151.128.0/18
descr: YIF Autonomous System Network
descr: Ya.com Internet Factory
origin: AS20838
remarks: SPAM, Net Abuse and Security-Issues: abuse@ya.com
notify: javier.juan@corp.ya.com
notify: david.macho@corp.ya.com
mnt-by: YACOM-NET-MNT
changed: javier.juan@corp.ya.com 20031125
source: RIPE

organisation: ORG-YIF1-RIPE
org-name: Ya.com Internet Factory
org-type: LIR
address: Ya.com Internet Factory
address: Albasanz 16, planta 4
address: 28037 Madrid SPAIN
phone: +34 91 141 7800
fax-no: +34 91 141 7700
e-mail: javier.juan@corp.ya.com
admin-c: JAA8-RIPE
admin-c: YO11-RIPE
admin-c: JJR2-RIPE
mnt-ref: YACOM-NET-MNT
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
changed: hostmaster@ripe.net 20040415
source: RIPE

role: Ya.com Operations
address: Ya.com
address: Albasanz, 16
address: Planta 4
address: 28037 Madrid SPAIN
phone: +34 91 141 7800
fax-no: +34 91 141 7700
e-mail: redes@ya.com
admin-c: JAA8-RIPE
admin-c: DMR52-RIPE
admin-c: JJR2-RIPE
tech-c: JAA8-RIPE
tech-c: DMR52-RIPE
tech-c: JJR2-RIPE
nic-hdl: YO11-RIPE
notify: jose.arribas@corp.ya.com
notify: javier.juan@corp.ya.com
notify: david.macho@corp.ya.com
changed: javier.juan@corp.ya.com 20031125
mnt-by: YACOM-NET-MNT
source: RIPE

person: Jose Antonio Arribas
address: Ya.com
address: Albasanz, 16
address: Planta 4
address: 28037 Madrid SPAIN
phone: +34 91 141 7800
fax-no: +34 91 141 7700
e-mail: jarribas@ya.com
nic-hdl: JAA8-RIPE
notify: jose.arribas@corp.ya.com
changed: javier.juan@corp.ya.com 20030203
mnt-by: YACOM-NET-MNT
source: RIPE

person: Javier Juan Rodrigo
address: Ya.com
address: Ya.com
address: Albasanz, 16
address: Planta 4
address: 28037 Madrid SPAIN
phone: +34 91 141 7800
fax-no: +34 91 141 7700
e-mail: javier.juan@corp.ya.com
nic-hdl: JJR2-RIPE
notify: david.macho@corp.ya.com
changed: javier.juan@corp.ya.com 20031125
mnt-by: YACOM-NET-MNT
source: RIPE