Running examples in ‘Rwhois-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: Rwhois
> ### Title: WHOIS server querying
> ### Aliases: Rwhois Rwhois::whois_query whois_query
> ### Keywords: Rwhois whois
> 
> ### ** Examples
> 
> # Grab WHOIS data for a hostname
> whois_query("bcable.net")
                                                key
1                                       Domain Name
2                                Registry Domain ID
3                            Registrar WHOIS Server
4                                     Registrar URL
5                                      Updated Date
6                                     Creation Date
7                              Registry Expiry Date
8                                         Registrar
9                                 Registrar IANA ID
10                    Registrar Abuse Contact Email
11                    Registrar Abuse Contact Phone
12                                    Domain Status
13                                      Name Server
14                                      Name Server
15                                           DNSSEC
16 URL of the ICANN Whois Inaccuracy Complaint Form
                                                                       val
1                                                               BCABLE.NET
2                                                264573669_DOMAIN_NET-VRSN
3                                                      whois.namecheap.com
4                                                 http://www.namecheap.com
5                                                     2018-01-25T03:07:16Z
6                                                     2005-11-22T17:59:39Z
7                                                     2021-11-22T17:59:39Z
8                                                          NameCheap, Inc.
9                                                                     1068
10                                                     abuse@namecheap.com
11                                                           +1.6613102107
12 clientTransferProhibited https://icann.org/epp#clientTransferProhibited
13                                              DNS1.REGISTRAR-SERVERS.COM
14                                              DNS2.REGISTRAR-SERVERS.COM
15                                                                unsigned
16                                             https://www.icann.org/wicf/
> 
> # Grab WHOIS data for an IP
> whois_query("1.1.1.1")
             key                                            val
1        inetnum                            1.1.1.0 - 1.1.1.255
2        netname                                     APNIC-LABS
3          descr      APNIC and Cloudflare DNS Resolver project
4          descr          Routed globally by AS13335/Cloudflare
5          descr                 Research prefix for APNIC Labs
6        country                                             AU
7            org                                   ORG-ARAD1-AP
8        admin-c                                       AR302-AP
9         tech-c                                       AR302-AP
10       abuse-c                                      AA1412-AP
11        status                              ASSIGNED PORTABLE
12       remarks                                ---------------
13       remarks All Cloudflare abuse reporting can be done via
14       remarks                  resolver-abuse@cloudflare.com
15       remarks                                ---------------
16        mnt-by                                       APNIC-HM
17    mnt-routes                         MAINT-AU-APNIC-GM85-AP
18       mnt-irt                            IRT-APNICRANDNET-AU
19 last-modified                           2020-07-15T13:10:57Z
20        source                                          APNIC
21           irt                            IRT-APNICRANDNET-AU
22       address                                    PO Box 3646
23       address                       South Brisbane, QLD 4101
24       address                                      Australia
25        e-mail                                abuse@apnic.net
26 abuse-mailbox                                abuse@apnic.net
27       admin-c                                       AR302-AP
28        tech-c                                       AR302-AP
29          auth                                     # Filtered
30       remarks    abuse@apnic.net was validated on 2020-08-10
31        mnt-by                         MAINT-AU-APNIC-GM85-AP
32 last-modified                           2020-08-10T06:42:59Z
33        source                                          APNIC
34  organisation                                   ORG-ARAD1-AP
35      org-name                 APNIC Research and Development
36       country                                             AU
37       address                                  6 Cordelia St
38         phone                                 +61-7-38583100
39        fax-no                                 +61-7-38583199
40        e-mail                             helpdesk@apnic.net
41       mnt-ref                                       APNIC-HM
42        mnt-by                                       APNIC-HM
43 last-modified                           2017-10-11T01:28:39Z
44        source                                          APNIC
45          role                           ABUSE APNICRANDNETAU
46       address                                    PO Box 3646
47       address                       South Brisbane, QLD 4101
48       address                                      Australia
49       country                                             ZZ
50         phone                                     +000000000
51        e-mail                                abuse@apnic.net
52       admin-c                                       AR302-AP
53        tech-c                                       AR302-AP
54       nic-hdl                                      AA1412-AP
55       remarks  Generated from irt object IRT-APNICRANDNET-AU
56 abuse-mailbox                                abuse@apnic.net
57        mnt-by                                    APNIC-ABUSE
58 last-modified                           2020-04-20T22:59:46Z
59        source                                          APNIC
60          role                                 APNIC RESEARCH
61       address                                    PO Box 3646
62       address                       South Brisbane, QLD 4101
63       address                                      Australia
64       country                                             AU
65         phone                                +61-7-3858-3188
66        fax-no                                +61-7-3858-3199
67        e-mail                             research@apnic.net
68       nic-hdl                                       AR302-AP
69        tech-c                                       AH256-AP
70       admin-c                                       AH256-AP
71        mnt-by                                 MAINT-APNIC-AP
72 last-modified                           2018-04-04T04:26:04Z
73        source                                          APNIC
74         route                                     1.1.1.0/24
75        origin                                        AS13335
76         descr                 APNIC Research and Development
77        mnt-by                         MAINT-AU-APNIC-GM85-AP
78 last-modified                           2018-03-16T16:58:06Z
79        source                                          APNIC
> 
> # Grab WHOIS data for a hostname from a different whois server
> whois_query("bcable.net", server="whois.verisign-grs.com")
                                                key
1                                       Domain Name
2                                Registry Domain ID
3                            Registrar WHOIS Server
4                                     Registrar URL
5                                      Updated Date
6                                     Creation Date
7                              Registry Expiry Date
8                                         Registrar
9                                 Registrar IANA ID
10                    Registrar Abuse Contact Email
11                    Registrar Abuse Contact Phone
12                                    Domain Status
13                                      Name Server
14                                      Name Server
15                                           DNSSEC
16 URL of the ICANN Whois Inaccuracy Complaint Form
                                                                       val
1                                                               BCABLE.NET
2                                                264573669_DOMAIN_NET-VRSN
3                                                      whois.namecheap.com
4                                                 http://www.namecheap.com
5                                                     2018-01-25T03:07:16Z
6                                                     2005-11-22T17:59:39Z
7                                                     2021-11-22T17:59:39Z
8                                                          NameCheap, Inc.
9                                                                     1068
10                                                     abuse@namecheap.com
11                                                           +1.6613102107
12 clientTransferProhibited https://icann.org/epp#clientTransferProhibited
13                                              DNS1.REGISTRAR-SERVERS.COM
14                                              DNS2.REGISTRAR-SERVERS.COM
15                                                                unsigned
16                                             https://www.icann.org/wicf/
> 
> # Grab multiple vectorized results
> domains <- c("bcable.net", "google.com")
> whois_query(domains)
Error in while (df[1, "key"] == "refer") { : 
  missing value where TRUE/FALSE needed
Calls: whois_query -> lapply -> FUN -> whois_query_wrap
Execution halted