citeulike.org.		30 IN SOA kareem.ns.cloudflare.com. dns.cloudflare.com. (
				2393008093 ; serial
				10000      ; refresh (2 hours 46 minutes 40 seconds)
				2400       ; retry (40 minutes)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

citeulike.org.		30 IN TXT "v=spf1 include:_spf.mx.cloudflare.net ~all"

citeulike.org.		30 IN A	104.26.14.146
citeulike.org.		30 IN A	172.67.74.222
citeulike.org.		30 IN A	104.26.15.146
citeulike.org.		30 IN AAAA 2606:4700:20::681a:f92
citeulike.org.		30 IN AAAA 2606:4700:20::ac43:4ade
citeulike.org.		30 IN AAAA 2606:4700:20::681a:e92

Mail exchangers:
citeulike.org.		30 IN MX 11 route2.mx.cloudflare.net.
citeulike.org.		30 IN MX 20 route3.mx.cloudflare.net.
citeulike.org.		30 IN MX 37 route1.mx.cloudflare.net.

Name servers:
citeulike.org.		30 IN NS kareem.ns.cloudflare.com.
citeulike.org.		30 IN NS tori.ns.cloudflare.com.