Question

2. Given the following resource records returned from the DNS server, answer the following questions: (host1.abc.com, H1.HostN1.abc.com, CNAME, 100) (host2.abc.com, H2.HostN3.abc.com, CNAME, 100) (host3.abc.com, H3.HostN2.abc.com, CNAME, 100) (www.abc.com, Server1.S1.abc.com, CNAME, 100) (abc.com, H3.HostN2.abc.com, MX, 100) (abc.com, H1.HostN1.abc.com, NS, 100) (abc.com, A1.HostN4.abc.com, NS, 100) (S3.abc.com, 123.110.21.1, A, 100) (H1.HostN1.abc.com, 123.110.21.2, A, 100) (Server2.e2.abc.com, 123.110.21.3, A, 100) (H2.HostN3.abc.com, 123.110.21.4, A, 100) (Server1.S1.abc.com, 123.110.21.5, A, 100) (H3.HostN2.abc.com, 123.110.21.6, A, 100) (A1.HostN4.abc.com, 123.110.21.7, A, 100) (a) What is (or are) the IP address(es) of the authoritative DNS server(s) of abc.com? (10pts) (b) What is (or are) the IP address(es) of the web server(s) of abc.com? (10pts) (c) What is (or are) the IP address(es) of the mail server(s) of abc.com? (10 pts)

          2. Given the following resource records returned from the DNS server, answer the following questions:

(host1.abc.com, H1.HostN1.abc.com, CNAME, 100)
(host2.abc.com, H2.HostN3.abc.com, CNAME, 100)
(host3.abc.com, H3.HostN2.abc.com, CNAME, 100)
(www.abc.com, Server1.S1.abc.com, CNAME, 100)
(abc.com, H3.HostN2.abc.com, MX, 100)
(abc.com, H1.HostN1.abc.com, NS, 100)
(abc.com, A1.HostN4.abc.com, NS, 100)
(S3.abc.com, 123.110.21.1, A, 100)
(H1.HostN1.abc.com, 123.110.21.2, A, 100)
(Server2.e2.abc.com, 123.110.21.3, A, 100)
(H2.HostN3.abc.com, 123.110.21.4, A, 100)
(Server1.S1.abc.com, 123.110.21.5, A, 100)
(H3.HostN2.abc.com, 123.110.21.6, A, 100)
(A1.HostN4.abc.com, 123.110.21.7, A, 100)

(a) What is (or are) the IP address(es) of the authoritative DNS server(s) of abc.com? (10pts)

(b) What is (or are) the IP address(es) of the web server(s) of abc.com? (10pts)

(c) What is (or are) the IP address(es) of the mail server(s) of abc.com? (10 pts)

2. Given the following resource records returned from the DNS server, answer the following questions:

(host1.abc.com, H1.HostN1.abc.com, CNAME, 100)
(host2.abc.com, H2.HostN3.abc.com, CNAME, 100)
(host3.abc.com, H3.HostN2.abc.com, CNAME, 100)
(www.abc.com, Server1.S1.abc.com, CNAME, 100)
(abc.com, H3.HostN2.abc.com, MX, 100)
(abc.com, H1.HostN1.abc.com, NS, 100)
(abc.com, A1.HostN4.abc.com, NS, 100)
(S3.abc.com, 123.110.21.1, A, 100)
(H1.HostN1.abc.com, 123.110.21.2, A, 100)
(Server2.e2.abc.com, 123.110.21.3, A, 100)
(H2.HostN3.abc.com, 123.110.21.4, A, 100)
(Server1.S1.abc.com, 123.110.21.5, A, 100)
(H3.HostN2.abc.com, 123.110.21.6, A, 100)
(A1.HostN4.abc.com, 123.110.21.7, A, 100)

(a) What is (or are) the IP address(es) of the authoritative DNS server(s) of abc.com? (10pts)

(b) What is (or are) the IP address(es) of the web server(s) of abc.com? (10pts)

(c) What is (or are) the IP address(es) of the mail server(s) of abc.com? (10 pts)

Added by Mary S.

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