cogent dns servers

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Cogent Customer User Guide

Cogent Communications Home Page: http://www cogentco com eCogent: http://ecogent cogentco com Acceptable Use Policy (AUP): http://www cogentco com/acceptable-use-policy IP Allocation Policy: http://www cogentco com/Guide/IP_Allocation_Policy txt DNS Questionnaire: http://www cogentco com/Guide/DNSQ txt

How are cogent servers connected to Cogent network equipment?
The servers are connected to Cogent network equipment via cat-6 copper for 1G connections (CDR from 100M to 1G) or single mode 10G fiber (for CDR up to 10G). In most cases, the server network ports (1G copper and 10G fiber) are provisioned on Cisco 4900s assigned exclusively to Utility Computing.
Does cogent provide secondary DNS?
AUTH1.DNS.COGENTCO.COM and AUTH2.DNS.COGENTCO.COM -OR- C. SECONDARY DNS SERVICE 2. Do you want Cogent to provide secondary DNS? [ ] Yes [ ] No 2a.
How do I contact cogent support?
If this is for additional service post-install, please copy and paste this into an email to Cogent Support (support@cogentco.com or eu-support@cogentco.com) A. CUSTOMER INFORMATION (feel free to leave blank if attaching to IPQ) Company Name: Order Number: Tech Contact 1: Tech Contact 2: B. PRIMARY DNS SERVICE 1.
Is cogent a good internet service provider?
Cogent is one of the world's largest Internet Service Providers, delivering high quality Internet, Ethernet and Colocation services across over 138,025 Enterprise and NetCentric customer connections. Cogent serves over 227 markets in 54 countries across its facilities-based, all-optical IP network.

PDF	Cogent Customer User Guide @ IN NS auth2.dns.cogentco.com. IPv4: If Cogent is providing Slave service you must also configure your name server to allow zone transfers originating from

PDF	Welcome Kit Content DNS tables will be requested from you and processed into the DNS server. Page 7. 7. Cogent Communications Inc. 13. The

PDF	Gathering Information about Network Infrastructure from DNS Selecting The Public DNS Servers . DNS Servers Whose Timeout Percentage is More Than 6% . ... Cogent Inferred Prefixes and Their Size Distribution .

PDF	ICANN Nov 4 2016 Root Servers in Early Days of the DNS (1983–1986) . ... In 2002

PDF	Growth Analysis of a Large ISP Mar 10 2013 are

PDF	Cogent IP Transit Blackhole server. Primary / Secondary DNS. Link Aggrega on. IPv4 addresses. Interfaces. A wide variety of interfaces to fit your needs. Gigabit Ethernet.

PDF	Cogent Coloca on Don't worry about ordering and se ng up your own servers Cogent is the only commercial ISP to operate one of the 13 DNS root servers of the Internet ...

PDF	Cogent Ethernet Services Cogent's all-op cal MPLS-enabled IP backbone connects more Cogent is the only commercial ISP to operate one of the 13 DNS root servers of the Internet ...

PDF	Cogent Coloca on Don't worry about ordering and se ng up your own servers Cogent is the only commercial ISP to operate one of the 13 DNS root servers of the Internet ...

PDF	Internet Engineering Task Force (IETF) D. Bryan Request for Cogent Force LLC but may or may not have a related record in the DNS. ... Bootstrap Server itself is typically a stable host with a DNS name.

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PDF	Customer DNS Information - eCogent - Cogent Communications Resolving/caching name servers are used to look up DNS information, such as the location (IP address) of a host on the Internet The IP addresses of the

PDF	Cogent Communications User Guide - One Step Resolving/caching name servers are used to look up DNS information, such as the location (IP address) of a host on the Internet The IP addresses of the caching

PDF	Gathering Information about Network Infrastructure from DNS DNS Servers Whose Timeout Percentage is More Than 6 Count of All domains in Level3, Verizon and Cogent Cogent - Parsed DNS Names(Others)

PDF	Growth Analysis of a Large ISP - Brown University Computer Science 10 mar 2013 · republish, to post on servers or to redistribute to lists, requires prior specific DNS hierarchy are part of Cogent's infrastructure 1 These records

PDF	IP address iDistributed over a collection of DNS servers • Hierarchy of C Cogent, Herndon , VA (also Los Angeles) D U Maryland TLD and Authoritative DNS Servers

PDF	RSSAC023: History of the Root Server System - ICANN 4 nov 2016 · Root Servers in Early Days of the DNS (1983–1986) In 2002, Cogent Communications acquired PSINet's major U S assets, which included

PDF	DNS - University of Washington One or more nameservers manage each zone Client resolvers query nameservers for specified records C Cogent, Herndon, VA (also Los Angeles)

PDF	15-441 Computer Networking Bottom Level: Authoritative DNS servers An authoritative DNS server stores name-to-address C Cogent, Herndon, VA (also Los Angeles, NY, Chicago)

PDF	Secure Domain Name System (DNS) - NIST Technical Series domain name data provided by DNS is intended to be available to any computer Authoritative Name Server; Caching Name Server; Domain Name System ( DNS); Validator administrators should be cogent that not every zone uses the