I was originally Earthlink dialup (I lived in a VERY rural area in California), moved to Mississippi where it became TW. TW got replaced about 2 years ago or so by Comcast. My results appear clean:
DNS Tests
Restricted domain DNS lookup: OK
We are able to successfully lookup a name which resolves to the same IP address as our webserver. This means we are able to conduct many of the tests on your DNS server.
Unrestricted domain DNS lookup: OK
We are able to successfully lookup arbitrary names from within the Java applet. This means we are able to conduct all test on your DNS server.
DNS resolver address: OK
The IP address of your ISP's DNS Resolver is 68.87.74.165, which resolves to npls-cns03.bonitasprngs.fl.naples.comcast.net.
DNS resolver properties: Lookup latency: 170ms
Your ISP's DNS resolver requires 170 msec to conduct an external lookup.
Your resolver is using QTYPE=A for default queries.
Your resolver is not automatically performing IPv6 queries.
Your DNS resolver does not use EDNS.
Your resolver does not use 0x20 randomization, but will pass names in a case-sensitive manner.
DNS glue policy: OK
Your ISP's DNS resolver does not accept generic additional (glue) records â" good.
Your ISP's DNS resolver does not accept additional (glue) records which correspond to nameservers.
Your ISP's DNS resolver does not follow CNAMEs.
DNS resolver port randomization: OK
Your ISP's DNS resolver properly randomizes its local port number.
The following graph shows DNS requests on the x-axis and the detected source ports on the y-axis.
port sequence plot
DNS lookups of popular domains: OK
74 of 74 popular names were resolved successfully. Show all names.
In the following table reverse lookups that failed but for which a Start Of Authority (SOA) entry indicated correct name associations are shown using an "X", followed by the SOA entry. Absence of both IP address and reverse name indicates failed forward lookups.
Name IP Address Reverse Name/SOA
www.abbey.co.uk 165.160.15.20 X (pdns1.cscdns.net)
ad.doubleclick.net 209.62.176.153 eqnjmegaadvip3.doubleclick.net
www.alliance-leicester.co.uk 194.130.105.121 X (alice.ioko365.com)
www.amazon.com 72.21.207.65 X (ddiamond.amazon.com)
www.ameritrade.com 204.58.27.97 beta-new.tdameritrade.com
www.bankofamerica.com 171.159.65.173 www.bankofamerica.com
www.bankofscotland.co.uk 195.171.171.21 X (ns0.bt.net)
www.bankofthewest.com 207.114.194.101 X (dns1a.bankofthewest.com)
www.barclays.co.uk 213.219.1.141 X (dns1.lon7.telecityredbus.net)
www.capitalone.com 208.80.50.112 X (chia.arin.NET)
www.careerbuilder.com 208.82.5.22 X (smokey.careerbuilder.com)
www.chase.com 159.53.60.105 X (ns1.jpmorganchase.com)
chaseonline.chase.com 159.53.64.54 resources-cdc2.chase.com
www.citi.com 192.193.232.227 X (ns.citicorp.com)
www.citibank.com 192.193.217.200 X (ns.citicorp.com)
www.citimortgage.com 192.193.103.118 X (ns.citicorp.com)
www.cnn.com 157.166.226.25 www.cnn.com
www.desjardins.com 142.195.128.44 desjardins.com
www.deutsche-bank.de 217.73.49.24 www.deutsche-bank.de
www.e-gold.com 209.200.169.10 unknown.prolexic.com
www.ebay.com 66.135.200.145 hp-core.ebay.com
www.etrade.com 12.153.224.22 etrade.com
www.f-secure.com 96.17.74.131 a96-17-74-131.d[...]echnologies.com
www.facebook.com 69.63.184.31 www-11-01-ash1.facebook.com
www.fdic.gov 192.147.69.84 www.fdic.gov
www.friendfinder.com 208.88.180.81 X (ii53-30.friendfinderinc.com)
www.geocities.com 98.137.46.72 intl1.geo.vip.sp2.yahoo.com
www.google.com 209.85.165.99 eo-in-f99.google.com
www.halifax.co.uk 212.140.245.97 halifax.co.uk
www.hsbc.co.uk 193.108.74.126 X (ns3.hsbc.com)
www.irs.gov 96.17.75.10 a96-17-75-10.de[...]echnologies.com
www.jpmorganchase.com 159.53.60.166 X (ns1.jpmorganchase.com)
www.lloydstsb.com 193.34.230.181 X (ns2.lloydstsb.co.uk)
mail.google.com 209.85.165.18 eo-in-f18.google.com
mail.live.com 64.4.20.169 dp2.mail.live.com
mail.yahoo.com 209.191.92.114 l2.login.vip.mud.yahoo.com
www.mbna.com 209.135.59.10 X (ns1.usi.net)
www.mbna.net 209.135.59.10 X (ns1.usi.net)
www.meebo.com 208.81.191.110 X (ns1.meebo.com)
messenger.yahoo.com 68.142.194.14 myc1.msg.vip.mud.yahoo.com
www.microsoft.com 64.4.31.252 X (msnhst.microsoft.com)
www.nationwide.co.uk 155.131.127.10 X (ns0.nationet.net)
www.networksolutions.com 205.178.187.13 www.networksolutions.com
www.newegg.com 216.52.208.185 X (pdns1.ultradns.net)
www.nordea.fi 195.215.15.166 www.nordea.fi
online.citibank.com 192.193.187.61 citibankonline.com
online.wellsfargo.com 151.151.13.132 psaltery-on.wellsfargo.com
www.orange.fr 193.252.149.20 www.orange.fr.s1.fti.net
pagead.googlesyndication.com 209.85.165.166 eo-in-f166.google.com
partner.googleadservices.com 209.85.165.165 eo-in-f165.google.com
www.paypal.com 66.211.169.65 X (crocodile.ebay.com)
www.postbank.de 62.153.105.37 X (ns1.postbank.de)
www.rbs.co.uk 155.136.80.222 X (ns0-08.dns.pipex.net)
www.schwab.com 162.93.237.80 wwwschwab-vip.schwab.com
www.sears.com 96.7.105.99 a96-7-105-99.de[...]echnologies.com
www.secureworks.com 64.31.190.9 X (ns1.telcove.net)
smartzone.comcast.net 76.96.26.12 webmail3.emeryv[...]ail.comcast.net
www.smithbarney.com 192.193.224.11 ssb.com
www.sparkasse.de 195.140.127.130 www.sparkasse.de
www.sterlingsavingsbank.com 12.19.55.215 sterlingsavingsbank.com
www.tdameritrade.com 204.58.27.97 beta-new.tdameritrade.com
www.ticketmaster.com 96.7.100.199 a96-7-100-199.d[...]echnologies.com
www.trendmicro.com 96.17.74.122 a96-17-74-122.d[...]echnologies.com
us.etrade.com 12.153.224.21 us.etrade.com
www.usbank.com 170.135.216.181 testrecord.usbank.com
www.verisign.com 65.205.249.60 www.verisign.net
www.visa.com 96.17.75.41 a96-17-75-41.de[...]echnologies.com
www.wachovia.com 169.200.183.139 X (sls-ns1.wachovia.com)
www.wamu.com 167.88.184.51 www.wamu.com
www.wellsfargo.com 151.151.88.133 percussion-dd.wellsfargo.com
westernunion.com 206.201.228.250 www.wuagentlink.com
windowsupdate.microsoft.com 207.46.18.94 X (msnhst.microsoft.com)
wireless.att.com 135.209.208.191 origin-busine[...]eless.att.com
www.yahoo.com 209.191.93.52 f1.www.vip.mud.yahoo.com
DNS results wildcarding: OK
Your ISP correctly leaves non-resolving names untouched.
