NSLIST.NET - blah.boulder.co.us

Search for IP or hostnames:

blah.boulder.co.us checked at 2025-10-01T00:51:42.956Z 154ms 86/86/86 100% R:9

`blah.boulder.co.us`

MX	`ns-1.csn.net`
		A	63.150.72.4^{🇺🇸 Lumen AS209}
			PTR	`authns1.centurylink.net`
			PTR	`authns1.qwest.net`
			PTR	`authns1.lumen.tech`
NS	`authns1.qwest.net`
		A	2001:428::5 ^{🇺🇸 Lumen AS209}
			PTR	`authns1.qwest.net`
		A	63.150.72.4^{🇺🇸 Lumen AS209}
			PTR	`authns1.centurylink.net`
			PTR	`authns1.qwest.net`
			PTR	`authns1.lumen.tech`
NS	`authns2.qwest.net`
		A	2001:428::6 ^{🇺🇸 Lumen AS209}
			PTR	`authns2.qwest.net`
		A	208.44.130.120^{🇺🇸 Lumen AS209}
			PTR	`authns2.centurylink.net`
			PTR	`authns2.qwest.net`
			PTR	`authns2.lumen.tech`
MX	`blah.boulder.co.us`
		A	204.132.123.53^{🇺🇸 Lumen AS209}
A	204.132.123.53^{🇺🇸 Lumen AS209}

`boulder.co.us`

	NS	`ns1.localitymanagement.us`
	NS	`ns2.localitymanagement.us`
	NS	`ns3.localitymanagement.us`
	NS	`ns4.localitymanagement.us`

rank #73377 globally
rank #239 in the tld

MX for

blah.boulder.co.us

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AI analysis

blah.boulder.co.us serves as the mail server for blah.boulder.co.us.

ns-1.csn.net is commonly used as a mail server with blah.boulder.co.us.

blah.boulder.co.us resolves to a single IP address: 204.132.123.53.

blah.boulder.co.us's delegation uses two name servers, authns1.qwest.net and authns2.qwest.net.

blah.boulder.co.us shares the same name server setup as other domains, for example 197.102.65.in-addr.arpa, 71.124.65.in-addr.arpa, 14.216.71.in-addr.arpa, lindenoakshospital.net and 99.91.64.in-addr.arpa.

blah.boulder.co.us at least partially shares name servers with other domains, including akamai.centurylinkservices.net, ironkey.gd, 183.231.216.in-addr.arpa, mie-site.org and 141.208.66.in-addr.arpa.

these name servers are commonly used together with dns-auth-1.centurylinkservices.net, dns-auth-2.centurylinkservices.net and steel-dr.imation.com.

Host names with two IPs:

authns1.qwest.net points to: 2001:428::5 and 63.150.72.4

authns2.qwest.net points to: 2001:428::6 and 208.44.130.120

Two mail servers handle blah.boulder.co.us: ns-1.csn.net and blah.boulder.co.us.

blah.boulder.co.us shares at least partially some mail servers with other domains, for instance lescom.denver.co.us, evolutiongame.com and isis.colorado-springs.co.us.

These mail servers are commonly used alongside mx01.discovery.com and mx02.discovery.com.

Host names with a single IP:

ns-1.csn.net points to 63.150.72.4.

blah.boulder.co.us points to 204.132.123.53.

dbq