Hi Dan - probably need some more info - right now this doesn't look like it has anything to do with your server.
Here's the result of DiGs on the URLs listed. It looks like 216.99.193.2 (ns3.aracnet.com) returns the same IP address for two different URLs, but gets hsbc-val from SECURESERVER.NET and willcraft from easydns.com. hsbc-verifier does not resolve.
This info by itself ought to be enough to get your ISP off your back. I'd say your IP is being spoofed.
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; <<>> DiG 9.2.1 <<>> hsbc-validation.info
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 35453
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2
;; QUESTION SECTION:
;hsbc-validation.info. IN A
;; ANSWER SECTION:
hsbc-validation.info. 3600 IN A 142.179.200.56
;; AUTHORITY SECTION:
hsbc-validation.info. 3600 IN NS PARK17.SECURESERVER.NET.
hsbc-validation.info. 3600 IN NS PARK18.SECURESERVER.NET.
;; ADDITIONAL SECTION:
PARK17.SECURESERVER.NET. 115846 IN A 64.202.165.120
PARK18.SECURESERVER.NET. 115846 IN A 64.202.167.158
;; Query time: 100 msec
;; SERVER: 216.99.193.2#53(216.99.193.2)
;; WHEN: Mon Nov 22 17:46:21 2004
;; MSG SIZE rcvd: 144
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; <<>> DiG 9.2.2-P3 <<>> hsbc-verifier.info
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 65332
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;hsbc-verifier.info. IN A
;; AUTHORITY SECTION:
info. 7200 IN SOA tld1.ultradns.net. domadmin.ultradns.net. 2004225973 3600 1800 604800 3600
;; Query time: 37 msec
;; SERVER: 216.99.193.2#53(216.99.193.2)
;; WHEN: Mon Nov 22 17:50:51 2004
;; MSG SIZE rcvd: 98
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; <<>> DiG 9.2.1 <<>>
www.willcraft.com;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 41126
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 4
;; QUESTION SECTION:
;www.willcraft.com. IN A
;; ANSWER SECTION:
www.willcraft.com. 10800 IN A 142.179.200.56
;; AUTHORITY SECTION:
willcraft.com. 10800 IN NS ns1.easydns.com.
willcraft.com. 10800 IN NS ns2.easydns.com.
willcraft.com. 10800 IN NS remote1.easydns.com.
willcraft.com. 10800 IN NS remote2.easydns.com.
;; ADDITIONAL SECTION:
ns1.easydns.com. 65643 IN A 216.220.40.243
ns2.easydns.com. 46919 IN A 205.210.42.20
remote1.easydns.com. 53232 IN A 64.39.29.212
remote2.easydns.com. 32321 IN A 212.100.224.80
;; Query time: 268 msec
;; SERVER: 216.99.193.2#53(216.99.193.2)
;; WHEN: Mon Nov 22 17:49:13 2004
;; MSG SIZE rcvd: 203
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