rbl.orbitrbl.com is closing down...
Problem reported by Eric Tykwinski - 10/27/2014 at 11:35 AM
Below is the email Mark E Jeftovic of EasyDNS posted to NANOG:
As some of you may know, we recently took over ZoneEdit.com and it's customer base.
We've found a domain on the system: rbl.orbitrbl.com which is delegated to zoneedit nameservers, broken (it is not allowed to zone transfer from it's designated master), unresponsive (account owner is not answering email, has an address in Sri Lanka and no telephone number), is using excessive queries (~ >500M queries per day on a "free dns" domain) and attracting repeated, multiple DDoS attacks.
As such, we will be wildcarding this zone and setting a long TTL fairly soon.
If you're actually using this RBL in your MTAs, now's a good time to stop. (this RBL is broken on 5 out of it's 6 delegated nameservers across 3 separate providers).
- mark

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Bruce Barnes Replied
Thanks for posting this, Eric.  It's not one I have listed in my antispam document.  We vetted the possibility over a year ago and decided against it at that time.
Others, who may be using, rbl.orbitrbl.com, should discontinue using the RBL as soon as possible.
Bruce Barnes ChicagoNetTech Inc brucecnt@comcast.net Phonr: (773) 491-9019 Phone: (224) 444-0169 E-Mail and DNS Security Specialist Network Security Specialist Customer Service Portal: https://portal.chicagonettech.com Website: https://www.ChicagoNetTech.com Security Blog: http://networkbastion.blogspot.com/ Web and E-Mail Hosting, E-Mail Security and Consulting

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