webserer is not up

Your root domain and subdomain are pointing to two different IP addresses. I wanted to first make sure that this is intended? You'll need to make sure apache or nginx are running on your webserver on port 80, and if they aren't, I would recommend going through our setting up a web host guide again.

There are multiple problems with your DNS setup.

The host you mentioned has no entry:

$ dig linarno.matt28hosting.com

; <<>> DiG 9.7.3 <<>> linarno.matt28hosting.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 26858
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;linarno.matt28hosting.com.     IN      A

;; AUTHORITY SECTION:
matt28hosting.com.      10800   IN      SOA     ns1.matt28hosting.com. staff.matt28hosting.com. 2015071311 86400 7200 3600000 86400

;; Query time: 337 msec
;; SERVER: 216.126.207.9#53(216.126.207.9)
;; WHEN: Wed Jul 15 07:05:25 2015
;; MSG SIZE  rcvd: 89

There are no obvious problems with matt28hosting.com itself, but I'll note that none of these IP addresses are Linode's:

dig -t ANY matt28hosting.com

; <<>> DiG 9.7.3 <<>> -t ANY matt28hosting.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 28066
;; flags: qr rd ra; QUERY: 1, ANSWER: 6, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;matt28hosting.com.             IN      ANY

;; ANSWER SECTION:
matt28hosting.com.      14400   IN      A       67.222.9.132
matt28hosting.com.      86400   IN      SOA     ns1.matt28hosting.com. staff.matt28hosting.com. 2015071311 86400 7200 3600000 86400
matt28hosting.com.      14400   IN      MX      0 mail.matt28hosting.com.
matt28hosting.com.      14400   IN      TXT     "v=spf1 ip4:67.222.9.132 +a +mx +ip4:67.222.9.132 ~all"
matt28hosting.com.      86400   IN      NS      ns1.matt28hosting.com.
matt28hosting.com.      86400   IN      NS      ns2.matt28hosting.com.

;; AUTHORITY SECTION:
matt28hosting.com.      86400   IN      NS      ns1.matt28hosting.com.
matt28hosting.com.      86400   IN      NS      ns2.matt28hosting.com.

;; ADDITIONAL SECTION:
ns1.matt28hosting.com.  172738  IN      A       67.222.9.132
ns2.matt28hosting.com.  172738  IN      A       67.222.9.20

;; Query time: 526 msec
;; SERVER: 216.126.207.9#53(216.126.207.9)
;; WHEN: Wed Jul 15 07:06:27 2015
;; MSG SIZE  rcvd: 276

Also, your MX host points to a CNAME entry, which is a violation of RFC 5321:

$ dig mail.matt28hosting.com

; <<>> DiG 9.7.3 <<>> mail.matt28hosting.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 49275
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;mail.matt28hosting.com.                IN      A

;; ANSWER SECTION:
mail.matt28hosting.com. 14363   IN      CNAME   matt28hosting.com.
matt28hosting.com.      14289   IN      A       67.222.9.132

;; AUTHORITY SECTION:
matt28hosting.com.      86289   IN      NS      ns2.matt28hosting.com.
matt28hosting.com.      86289   IN      NS      ns1.matt28hosting.com.

;; ADDITIONAL SECTION:
ns1.matt28hosting.com.  172627  IN      A       67.222.9.132
ns2.matt28hosting.com.  172627  IN      A       67.222.9.20

;; Query time: 769 msec
;; SERVER: 216.126.207.9#53(216.126.207.9)
;; WHEN: Wed Jul 15 07:08:18 2015
;; MSG SIZE  rcvd: 138

@RFC 5321:

When a domain name associated with an MX RR is looked up and the associated data field obtained, the data field of that response MUST contain a domain name. That domain name, when queried, MUST return at least one address record (e.g., A or AAAA RR) that gives the IP address of the SMTP server to which the message should be directed. Any other response, specifically including a value that will return a CNAME record when queried, lies outside the scope of this Standard. The prohibition on labels in the data that resolve to CNAMEs is discussed in more detail in RFC 2181, Section 10.3 [38].