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| auth4.dns.cogentco.com. trace bl search | |||
| auth4.dns.cogentco.com. | |||
| .com [ Generic top-level domain ] | |||
| VeriSign Global Registry Services | |||
| A records | |||
auth4.dns.cogentco.com. A  | 80.245.32.74 ip whois srv dnsbl tr | ||
| auth4.dns.cogentco.com. AAAA | 2001:978:1:a::d ipv6 whois ptr dnstrace traceroute search | ||
| NXDOMAIN | |||
| MX records - Mailservers | |||
| No MX records | |||
| NS records - Nameservers | |||
| NOERROR AAAA | 2001:470:1f0a:7a2:da:: ipv6 whois ptr dnstrace traceroute search | ||
| SOA records - Source Of Authority | |||
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