code: def get_subdomain_info(fqn, db_path=None, atlasdb_path=None, zonefiles_dir=None, check_pending=False, include_did=False):
      
      opts = get_blockstack_opts()
      if not is_subdomains_enabled(opts):
          log.warn("Subdomain support is disabled")
          return None
  
      if db_path is None:
          db_path = opts['subdomaindb_path']
  
      if zonefiles_dir is None:
          zonefiles_dir = opts['zonefiles']
  
      if atlasdb_path is None:
          atlasdb_path = opts['atlasdb_path']
  
      db = SubdomainDB(db_path, zonefiles_dir)
      try:
          subrec = db.get_subdomain_entry(fqn)
      except SubdomainNotFound:
          log.warn("No such subdomain: {}".format(fqn))
          return None
  
      if check_pending:
          # make sure that all of the zone files between this subdomain's
          # domain's creation and this subdomain's zone file index are present,
          # minus the ones that are allowed to be missing.
          subrec.pending = db.subdomain_check_pending(subrec, atlasdb_path)
  
      if include_did:
          # include the DID 
          subrec.did_info = db.get_subdomain_DID_info(fqn)
  
      return subrec
docs: Static method for getting the state of a subdomain, given its fully-qualified name.
      Return the subdomain record on success.
      Return None if not found.