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        mnt-by                                       APNIC-HM
11    mnt-routes                         MAINT-AU-APNIC-GM85-AP
12       mnt-irt                            IRT-APNICRANDNET-AU
13        status                              ASSIGNED PORTABLE
14       remarks                                ---------------
15       remarks All Cloudflare abuse reporting can be done via
16       remarks                  resolver-abuse@cloudflare.com
17       remarks                                ---------------
18 last-modified                           2018-03-30T01:51:28Z
19        source                                          APNIC
20           irt                            IRT-APNICRANDNET-AU
21       address                                    PO Box 3646
22       address                       South Brisbane, QLD 4101
23       address                                      Australia
24        e-mail                                abuse@apnic.net
25 abuse-mailbox                                abuse@apnic.net
26       admin-c                                       AR302-AP
27        tech-c                                       AR302-AP
28          auth                                     # Filtered
29        mnt-by                         MAINT-AU-APNIC-GM85-AP
30 last-modified                           2011-09-22T03:53:02Z
31        source                                          APNIC
32  organisation                                   ORG-ARAD1-AP
33      org-name                 APNIC Research and Development
34       country                                             AU
35       address                                  6 Cordelia St
36         phone                                 +61-7-38583100
37        fax-no                                 +61-7-38583199
38        e-mail                             helpdesk@apnic.net
39       mnt-ref                                       APNIC-HM
40        mnt-by                                       APNIC-HM
41 last-modified                           2017-10-11T01:28:39Z
42        source                                          APNIC
43          role                                 APNIC RESEARCH
44       address                                    PO Box 3646
45       address                       South Brisbane, QLD 4101
46       address                                      Australia
47       country                                             AU
48         phone                                +61-7-3858-3188
49        fax-no                                +61-7-3858-3199
50        e-mail                             research@apnic.net
51       nic-hdl                                       AR302-AP
52        tech-c                                       AH256-AP
53       admin-c                                       AH256-AP
54        mnt-by                                 MAINT-APNIC-AP
55 last-modified                           2018-04-04T04:26:04Z
56        source                                          APNIC
57         route                                     1.1.1.0/24
58        origin                                        AS13335
59         descr                 APNIC Research and Development
60        mnt-by                         MAINT-AU-APNIC-GM85-AP
61 last-modified                           2018-03-16T16:58:06Z
62        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